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Date: Fri, 13 Apr 2012 09:49:14 -0700
From: Greg KH <gregkh@...uxfoundation.org>
To: linux-kernel@...r.kernel.org,
Andrew Morton <akpm@...ux-foundation.org>,
torvalds@...ux-foundation.org, stable@...r.kernel.org
Cc: lwn@....net
Subject: Re: Linux 3.3.2
diff --git a/Makefile b/Makefile
index 026a227..ddcb70a 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
VERSION = 3
PATCHLEVEL = 3
-SUBLEVEL = 1
+SUBLEVEL = 2
EXTRAVERSION =
NAME = Saber-toothed Squirrel
diff --git a/arch/arm/mach-at91/at91sam9263_devices.c b/arch/arm/mach-at91/at91sam9263_devices.c
index 366a776..026ae37 100644
--- a/arch/arm/mach-at91/at91sam9263_devices.c
+++ b/arch/arm/mach-at91/at91sam9263_devices.c
@@ -71,7 +71,8 @@ void __init at91_add_device_usbh(struct at91_usbh_data *data)
/* Enable VBus control for UHP ports */
for (i = 0; i < data->ports; i++) {
if (gpio_is_valid(data->vbus_pin[i]))
- at91_set_gpio_output(data->vbus_pin[i], 0);
+ at91_set_gpio_output(data->vbus_pin[i],
+ data->vbus_pin_active_low[i]);
}
/* Enable overcurrent notification */
diff --git a/arch/arm/mach-at91/at91sam9g45_devices.c b/arch/arm/mach-at91/at91sam9g45_devices.c
index 96e2adc..a8c48be 100644
--- a/arch/arm/mach-at91/at91sam9g45_devices.c
+++ b/arch/arm/mach-at91/at91sam9g45_devices.c
@@ -122,7 +122,8 @@ void __init at91_add_device_usbh_ohci(struct at91_usbh_data *data)
/* Enable VBus control for UHP ports */
for (i = 0; i < data->ports; i++) {
if (gpio_is_valid(data->vbus_pin[i]))
- at91_set_gpio_output(data->vbus_pin[i], 0);
+ at91_set_gpio_output(data->vbus_pin[i],
+ data->vbus_pin_active_low[i]);
}
/* Enable overcurrent notification */
@@ -183,7 +184,8 @@ void __init at91_add_device_usbh_ehci(struct at91_usbh_data *data)
/* Enable VBus control for UHP ports */
for (i = 0; i < data->ports; i++) {
if (gpio_is_valid(data->vbus_pin[i]))
- at91_set_gpio_output(data->vbus_pin[i], 0);
+ at91_set_gpio_output(data->vbus_pin[i],
+ data->vbus_pin_active_low[i]);
}
usbh_ehci_data = *data;
diff --git a/arch/arm/mach-at91/board-sam9263ek.c b/arch/arm/mach-at91/board-sam9263ek.c
index 29f6605..39a8f79 100644
--- a/arch/arm/mach-at91/board-sam9263ek.c
+++ b/arch/arm/mach-at91/board-sam9263ek.c
@@ -74,6 +74,7 @@ static void __init ek_init_early(void)
static struct at91_usbh_data __initdata ek_usbh_data = {
.ports = 2,
.vbus_pin = { AT91_PIN_PA24, AT91_PIN_PA21 },
+ .vbus_pin_active_low = {1, 1},
.overcurrent_pin= {-EINVAL, -EINVAL},
};
diff --git a/arch/arm/mach-at91/board-sam9m10g45ek.c b/arch/arm/mach-at91/board-sam9m10g45ek.c
index ea0d1b9..1d2b1d1 100644
--- a/arch/arm/mach-at91/board-sam9m10g45ek.c
+++ b/arch/arm/mach-at91/board-sam9m10g45ek.c
@@ -69,6 +69,7 @@ static void __init ek_init_early(void)
static struct at91_usbh_data __initdata ek_usbh_hs_data = {
.ports = 2,
.vbus_pin = {AT91_PIN_PD1, AT91_PIN_PD3},
+ .vbus_pin_active_low = {1, 1},
.overcurrent_pin= {-EINVAL, -EINVAL},
};
diff --git a/arch/m68k/mac/config.c b/arch/m68k/mac/config.c
index f60ff5f..da3b8d8 100644
--- a/arch/m68k/mac/config.c
+++ b/arch/m68k/mac/config.c
@@ -981,6 +981,9 @@ int __init mac_platform_init(void)
{
u8 *swim_base;
+ if (!MACH_IS_MAC)
+ return -ENODEV;
+
/*
* Serial devices
*/
diff --git a/arch/x86/include/asm/timer.h b/arch/x86/include/asm/timer.h
index 431793e..34baa0e 100644
--- a/arch/x86/include/asm/timer.h
+++ b/arch/x86/include/asm/timer.h
@@ -57,14 +57,10 @@ DECLARE_PER_CPU(unsigned long long, cyc2ns_offset);
static inline unsigned long long __cycles_2_ns(unsigned long long cyc)
{
- unsigned long long quot;
- unsigned long long rem;
int cpu = smp_processor_id();
unsigned long long ns = per_cpu(cyc2ns_offset, cpu);
- quot = (cyc >> CYC2NS_SCALE_FACTOR);
- rem = cyc & ((1ULL << CYC2NS_SCALE_FACTOR) - 1);
- ns += quot * per_cpu(cyc2ns, cpu) +
- ((rem * per_cpu(cyc2ns, cpu)) >> CYC2NS_SCALE_FACTOR);
+ ns += mult_frac(cyc, per_cpu(cyc2ns, cpu),
+ (1UL << CYC2NS_SCALE_FACTOR));
return ns;
}
diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c
index 6d10a66..fb07275 100644
--- a/arch/x86/kernel/apic/io_apic.c
+++ b/arch/x86/kernel/apic/io_apic.c
@@ -3967,36 +3967,18 @@ int mp_find_ioapic_pin(int ioapic, u32 gsi)
static __init int bad_ioapic(unsigned long address)
{
if (nr_ioapics >= MAX_IO_APICS) {
- pr_warn("WARNING: Max # of I/O APICs (%d) exceeded (found %d), skipping\n",
- MAX_IO_APICS, nr_ioapics);
+ printk(KERN_WARNING "WARNING: Max # of I/O APICs (%d) exceeded "
+ "(found %d), skipping\n", MAX_IO_APICS, nr_ioapics);
return 1;
}
if (!address) {
- pr_warn("WARNING: Bogus (zero) I/O APIC address found in table, skipping!\n");
+ printk(KERN_WARNING "WARNING: Bogus (zero) I/O APIC address"
+ " found in table, skipping!\n");
return 1;
}
return 0;
}
-static __init int bad_ioapic_register(int idx)
-{
- union IO_APIC_reg_00 reg_00;
- union IO_APIC_reg_01 reg_01;
- union IO_APIC_reg_02 reg_02;
-
- reg_00.raw = io_apic_read(idx, 0);
- reg_01.raw = io_apic_read(idx, 1);
- reg_02.raw = io_apic_read(idx, 2);
-
- if (reg_00.raw == -1 && reg_01.raw == -1 && reg_02.raw == -1) {
- pr_warn("I/O APIC 0x%x registers return all ones, skipping!\n",
- mpc_ioapic_addr(idx));
- return 1;
- }
-
- return 0;
-}
-
void __init mp_register_ioapic(int id, u32 address, u32 gsi_base)
{
int idx = 0;
@@ -4013,12 +3995,6 @@ void __init mp_register_ioapic(int id, u32 address, u32 gsi_base)
ioapics[idx].mp_config.apicaddr = address;
set_fixmap_nocache(FIX_IO_APIC_BASE_0 + idx, address);
-
- if (bad_ioapic_register(idx)) {
- clear_fixmap(FIX_IO_APIC_BASE_0 + idx);
- return;
- }
-
ioapics[idx].mp_config.apicid = io_apic_unique_id(id);
ioapics[idx].mp_config.apicver = io_apic_get_version(idx);
@@ -4039,10 +4015,10 @@ void __init mp_register_ioapic(int id, u32 address, u32 gsi_base)
if (gsi_cfg->gsi_end >= gsi_top)
gsi_top = gsi_cfg->gsi_end + 1;
- pr_info("IOAPIC[%d]: apic_id %d, version %d, address 0x%x, GSI %d-%d\n",
- idx, mpc_ioapic_id(idx),
- mpc_ioapic_ver(idx), mpc_ioapic_addr(idx),
- gsi_cfg->gsi_base, gsi_cfg->gsi_end);
+ printk(KERN_INFO "IOAPIC[%d]: apic_id %d, version %d, address 0x%x, "
+ "GSI %d-%d\n", idx, mpc_ioapic_id(idx),
+ mpc_ioapic_ver(idx), mpc_ioapic_addr(idx),
+ gsi_cfg->gsi_base, gsi_cfg->gsi_end);
nr_ioapics++;
}
diff --git a/arch/x86/kernel/kgdb.c b/arch/x86/kernel/kgdb.c
index faba577..2f45c4c 100644
--- a/arch/x86/kernel/kgdb.c
+++ b/arch/x86/kernel/kgdb.c
@@ -43,6 +43,8 @@
#include <linux/smp.h>
#include <linux/nmi.h>
#include <linux/hw_breakpoint.h>
+#include <linux/uaccess.h>
+#include <linux/memory.h>
#include <asm/debugreg.h>
#include <asm/apicdef.h>
@@ -740,6 +742,64 @@ void kgdb_arch_set_pc(struct pt_regs *regs, unsigned long ip)
regs->ip = ip;
}
+int kgdb_arch_set_breakpoint(struct kgdb_bkpt *bpt)
+{
+ int err;
+ char opc[BREAK_INSTR_SIZE];
+
+ bpt->type = BP_BREAKPOINT;
+ err = probe_kernel_read(bpt->saved_instr, (char *)bpt->bpt_addr,
+ BREAK_INSTR_SIZE);
+ if (err)
+ return err;
+ err = probe_kernel_write((char *)bpt->bpt_addr,
+ arch_kgdb_ops.gdb_bpt_instr, BREAK_INSTR_SIZE);
+#ifdef CONFIG_DEBUG_RODATA
+ if (!err)
+ return err;
+ /*
+ * It is safe to call text_poke() because normal kernel execution
+ * is stopped on all cores, so long as the text_mutex is not locked.
+ */
+ if (mutex_is_locked(&text_mutex))
+ return -EBUSY;
+ text_poke((void *)bpt->bpt_addr, arch_kgdb_ops.gdb_bpt_instr,
+ BREAK_INSTR_SIZE);
+ err = probe_kernel_read(opc, (char *)bpt->bpt_addr, BREAK_INSTR_SIZE);
+ if (err)
+ return err;
+ if (memcmp(opc, arch_kgdb_ops.gdb_bpt_instr, BREAK_INSTR_SIZE))
+ return -EINVAL;
+ bpt->type = BP_POKE_BREAKPOINT;
+#endif /* CONFIG_DEBUG_RODATA */
+ return err;
+}
+
+int kgdb_arch_remove_breakpoint(struct kgdb_bkpt *bpt)
+{
+#ifdef CONFIG_DEBUG_RODATA
+ int err;
+ char opc[BREAK_INSTR_SIZE];
+
+ if (bpt->type != BP_POKE_BREAKPOINT)
+ goto knl_write;
+ /*
+ * It is safe to call text_poke() because normal kernel execution
+ * is stopped on all cores, so long as the text_mutex is not locked.
+ */
+ if (mutex_is_locked(&text_mutex))
+ goto knl_write;
+ text_poke((void *)bpt->bpt_addr, bpt->saved_instr, BREAK_INSTR_SIZE);
+ err = probe_kernel_read(opc, (char *)bpt->bpt_addr, BREAK_INSTR_SIZE);
+ if (err || memcmp(opc, bpt->saved_instr, BREAK_INSTR_SIZE))
+ goto knl_write;
+ return err;
+knl_write:
+#endif /* CONFIG_DEBUG_RODATA */
+ return probe_kernel_write((char *)bpt->bpt_addr,
+ (char *)bpt->saved_instr, BREAK_INSTR_SIZE);
+}
+
struct kgdb_arch arch_kgdb_ops = {
/* Breakpoint instruction: */
.gdb_bpt_instr = { 0xcc },
diff --git a/arch/x86/kernel/tsc.c b/arch/x86/kernel/tsc.c
index 6fcfcb3..c0b6611 100644
--- a/arch/x86/kernel/tsc.c
+++ b/arch/x86/kernel/tsc.c
@@ -620,7 +620,8 @@ static void set_cyc2ns_scale(unsigned long cpu_khz, int cpu)
if (cpu_khz) {
*scale = (NSEC_PER_MSEC << CYC2NS_SCALE_FACTOR)/cpu_khz;
- *offset = ns_now - (tsc_now * *scale >> CYC2NS_SCALE_FACTOR);
+ *offset = ns_now - mult_frac(tsc_now, *scale,
+ (1UL << CYC2NS_SCALE_FACTOR));
}
sched_clock_idle_wakeup_event(0);
diff --git a/arch/x86/net/bpf_jit_comp.c b/arch/x86/net/bpf_jit_comp.c
index 5671752..5a5b6e4 100644
--- a/arch/x86/net/bpf_jit_comp.c
+++ b/arch/x86/net/bpf_jit_comp.c
@@ -289,7 +289,7 @@ void bpf_jit_compile(struct sk_filter *fp)
EMIT2(0x24, K & 0xFF); /* and imm8,%al */
} else if (K >= 0xFFFF0000) {
EMIT2(0x66, 0x25); /* and imm16,%ax */
- EMIT2(K, 2);
+ EMIT(K, 2);
} else {
EMIT1_off32(0x25, K); /* and imm32,%eax */
}
diff --git a/drivers/acpi/acpica/tbfadt.c b/drivers/acpi/acpica/tbfadt.c
index c5d8704..4c9c760 100644
--- a/drivers/acpi/acpica/tbfadt.c
+++ b/drivers/acpi/acpica/tbfadt.c
@@ -363,10 +363,6 @@ static void acpi_tb_convert_fadt(void)
u32 address32;
u32 i;
- /* Update the local FADT table header length */
-
- acpi_gbl_FADT.header.length = sizeof(struct acpi_table_fadt);
-
/*
* Expand the 32-bit FACS and DSDT addresses to 64-bit as necessary.
* Later code will always use the X 64-bit field. Also, check for an
@@ -408,6 +404,10 @@ static void acpi_tb_convert_fadt(void)
acpi_gbl_FADT.boot_flags = 0;
}
+ /* Update the local FADT table header length */
+
+ acpi_gbl_FADT.header.length = sizeof(struct acpi_table_fadt);
+
/*
* Expand the ACPI 1.0 32-bit addresses to the ACPI 2.0 64-bit "X"
* generic address structures as necessary. Later code will always use
diff --git a/drivers/acpi/processor_thermal.c b/drivers/acpi/processor_thermal.c
index 3b599ab..641b545 100644
--- a/drivers/acpi/processor_thermal.c
+++ b/drivers/acpi/processor_thermal.c
@@ -57,6 +57,27 @@ ACPI_MODULE_NAME("processor_thermal");
static DEFINE_PER_CPU(unsigned int, cpufreq_thermal_reduction_pctg);
static unsigned int acpi_thermal_cpufreq_is_init = 0;
+#define reduction_pctg(cpu) \
+ per_cpu(cpufreq_thermal_reduction_pctg, phys_package_first_cpu(cpu))
+
+/*
+ * Emulate "per package data" using per cpu data (which should really be
+ * provided elsewhere)
+ *
+ * Note we can lose a CPU on cpu hotunplug, in this case we forget the state
+ * temporarily. Fortunately that's not a big issue here (I hope)
+ */
+static int phys_package_first_cpu(int cpu)
+{
+ int i;
+ int id = topology_physical_package_id(cpu);
+
+ for_each_online_cpu(i)
+ if (topology_physical_package_id(i) == id)
+ return i;
+ return 0;
+}
+
static int cpu_has_cpufreq(unsigned int cpu)
{
struct cpufreq_policy policy;
@@ -76,7 +97,7 @@ static int acpi_thermal_cpufreq_notifier(struct notifier_block *nb,
max_freq = (
policy->cpuinfo.max_freq *
- (100 - per_cpu(cpufreq_thermal_reduction_pctg, policy->cpu) * 20)
+ (100 - reduction_pctg(policy->cpu) * 20)
) / 100;
cpufreq_verify_within_limits(policy, 0, max_freq);
@@ -102,16 +123,28 @@ static int cpufreq_get_cur_state(unsigned int cpu)
if (!cpu_has_cpufreq(cpu))
return 0;
- return per_cpu(cpufreq_thermal_reduction_pctg, cpu);
+ return reduction_pctg(cpu);
}
static int cpufreq_set_cur_state(unsigned int cpu, int state)
{
+ int i;
+
if (!cpu_has_cpufreq(cpu))
return 0;
- per_cpu(cpufreq_thermal_reduction_pctg, cpu) = state;
- cpufreq_update_policy(cpu);
+ reduction_pctg(cpu) = state;
+
+ /*
+ * Update all the CPUs in the same package because they all
+ * contribute to the temperature and often share the same
+ * frequency.
+ */
+ for_each_online_cpu(i) {
+ if (topology_physical_package_id(i) ==
+ topology_physical_package_id(cpu))
+ cpufreq_update_policy(i);
+ }
return 0;
}
@@ -119,10 +152,6 @@ void acpi_thermal_cpufreq_init(void)
{
int i;
- for (i = 0; i < nr_cpu_ids; i++)
- if (cpu_present(i))
- per_cpu(cpufreq_thermal_reduction_pctg, i) = 0;
-
i = cpufreq_register_notifier(&acpi_thermal_cpufreq_notifier_block,
CPUFREQ_POLICY_NOTIFIER);
if (!i)
diff --git a/drivers/base/firmware_class.c b/drivers/base/firmware_class.c
index 6c9387d..72c644b 100644
--- a/drivers/base/firmware_class.c
+++ b/drivers/base/firmware_class.c
@@ -81,6 +81,11 @@ enum {
static int loading_timeout = 60; /* In seconds */
+static inline long firmware_loading_timeout(void)
+{
+ return loading_timeout > 0 ? loading_timeout * HZ : MAX_SCHEDULE_TIMEOUT;
+}
+
/* fw_lock could be moved to 'struct firmware_priv' but since it is just
* guarding for corner cases a global lock should be OK */
static DEFINE_MUTEX(fw_lock);
@@ -435,7 +440,7 @@ static void firmware_class_timeout(u_long data)
}
static struct firmware_priv *
-fw_create_instance(struct firmware *firmware, const char *fw_name,
+fw_create_instance(const struct firmware *firmware, const char *fw_name,
struct device *device, bool uevent, bool nowait)
{
struct firmware_priv *fw_priv;
@@ -449,7 +454,7 @@ fw_create_instance(struct firmware *firmware, const char *fw_name,
goto err_out;
}
- fw_priv->fw = firmware;
+ fw_priv->fw = (struct firmware *)firmware;
fw_priv->nowait = nowait;
strcpy(fw_priv->fw_id, fw_name);
init_completion(&fw_priv->completion);
@@ -510,13 +515,10 @@ static void fw_destroy_instance(struct firmware_priv *fw_priv)
device_unregister(f_dev);
}
-static int _request_firmware(const struct firmware **firmware_p,
- const char *name, struct device *device,
- bool uevent, bool nowait)
+static int _request_firmware_prepare(const struct firmware **firmware_p,
+ const char *name, struct device *device)
{
- struct firmware_priv *fw_priv;
struct firmware *firmware;
- int retval = 0;
if (!firmware_p)
return -EINVAL;
@@ -533,28 +535,33 @@ static int _request_firmware(const struct firmware **firmware_p,
return 0;
}
- read_lock_usermodehelper();
+ return 1;
+}
- if (WARN_ON(usermodehelper_is_disabled())) {
- dev_err(device, "firmware: %s will not be loaded\n", name);
- retval = -EBUSY;
- goto out;
- }
+static void _request_firmware_cleanup(const struct firmware **firmware_p)
+{
+ release_firmware(*firmware_p);
+ *firmware_p = NULL;
+}
+
+static int _request_firmware(const struct firmware *firmware,
+ const char *name, struct device *device,
+ bool uevent, bool nowait, long timeout)
+{
+ struct firmware_priv *fw_priv;
+ int retval = 0;
if (uevent)
dev_dbg(device, "firmware: requesting %s\n", name);
fw_priv = fw_create_instance(firmware, name, device, uevent, nowait);
- if (IS_ERR(fw_priv)) {
- retval = PTR_ERR(fw_priv);
- goto out;
- }
+ if (IS_ERR(fw_priv))
+ return PTR_ERR(fw_priv);
if (uevent) {
- if (loading_timeout > 0)
+ if (timeout != MAX_SCHEDULE_TIMEOUT)
mod_timer(&fw_priv->timeout,
- round_jiffies_up(jiffies +
- loading_timeout * HZ));
+ round_jiffies_up(jiffies + timeout));
kobject_uevent(&fw_priv->dev.kobj, KOBJ_ADD);
}
@@ -571,15 +578,6 @@ static int _request_firmware(const struct firmware **firmware_p,
mutex_unlock(&fw_lock);
fw_destroy_instance(fw_priv);
-
-out:
- read_unlock_usermodehelper();
-
- if (retval) {
- release_firmware(firmware);
- *firmware_p = NULL;
- }
-
return retval;
}
@@ -602,7 +600,24 @@ int
request_firmware(const struct firmware **firmware_p, const char *name,
struct device *device)
{
- return _request_firmware(firmware_p, name, device, true, false);
+ int ret;
+
+ ret = _request_firmware_prepare(firmware_p, name, device);
+ if (ret <= 0)
+ return ret;
+
+ ret = usermodehelper_read_trylock();
+ if (WARN_ON(ret)) {
+ dev_err(device, "firmware: %s will not be loaded\n", name);
+ } else {
+ ret = _request_firmware(*firmware_p, name, device, true, false,
+ firmware_loading_timeout());
+ usermodehelper_read_unlock();
+ }
+ if (ret)
+ _request_firmware_cleanup(firmware_p);
+
+ return ret;
}
/**
@@ -633,6 +648,7 @@ static int request_firmware_work_func(void *arg)
{
struct firmware_work *fw_work = arg;
const struct firmware *fw;
+ long timeout;
int ret;
if (!arg) {
@@ -640,8 +656,24 @@ static int request_firmware_work_func(void *arg)
return 0;
}
- ret = _request_firmware(&fw, fw_work->name, fw_work->device,
- fw_work->uevent, true);
+ ret = _request_firmware_prepare(&fw, fw_work->name, fw_work->device);
+ if (ret <= 0)
+ goto out;
+
+ timeout = usermodehelper_read_lock_wait(firmware_loading_timeout());
+ if (timeout) {
+ ret = _request_firmware(fw, fw_work->name, fw_work->device,
+ fw_work->uevent, true, timeout);
+ usermodehelper_read_unlock();
+ } else {
+ dev_dbg(fw_work->device, "firmware: %s loading timed out\n",
+ fw_work->name);
+ ret = -EAGAIN;
+ }
+ if (ret)
+ _request_firmware_cleanup(&fw);
+
+ out:
fw_work->cont(fw, fw_work->context);
module_put(fw_work->module);
diff --git a/drivers/base/power/runtime.c b/drivers/base/power/runtime.c
index 541f821..bd0f394 100644
--- a/drivers/base/power/runtime.c
+++ b/drivers/base/power/runtime.c
@@ -532,6 +532,8 @@ static int rpm_suspend(struct device *dev, int rpmflags)
dev->power.suspend_time = ktime_set(0, 0);
dev->power.max_time_suspended_ns = -1;
dev->power.deferred_resume = false;
+ wake_up_all(&dev->power.wait_queue);
+
if (retval == -EAGAIN || retval == -EBUSY) {
dev->power.runtime_error = 0;
@@ -547,7 +549,6 @@ static int rpm_suspend(struct device *dev, int rpmflags)
} else {
pm_runtime_cancel_pending(dev);
}
- wake_up_all(&dev->power.wait_queue);
goto out;
}
diff --git a/drivers/base/regmap/regcache-rbtree.c b/drivers/base/regmap/regcache-rbtree.c
index 32620c4..d1179fd 100644
--- a/drivers/base/regmap/regcache-rbtree.c
+++ b/drivers/base/regmap/regcache-rbtree.c
@@ -137,6 +137,7 @@ static int rbtree_show(struct seq_file *s, void *ignored)
unsigned int base, top;
int nodes = 0;
int registers = 0;
+ int average;
mutex_lock(&map->lock);
@@ -151,8 +152,13 @@ static int rbtree_show(struct seq_file *s, void *ignored)
registers += top - base + 1;
}
+ if (nodes)
+ average = registers / nodes;
+ else
+ average = 0;
+
seq_printf(s, "%d nodes, %d registers, average %d registers\n",
- nodes, registers, registers / nodes);
+ nodes, registers, average);
mutex_unlock(&map->lock);
diff --git a/drivers/dma/ioat/dma.c b/drivers/dma/ioat/dma.c
index a4d6cb0..6595180 100644
--- a/drivers/dma/ioat/dma.c
+++ b/drivers/dma/ioat/dma.c
@@ -548,9 +548,9 @@ void ioat_dma_unmap(struct ioat_chan_common *chan, enum dma_ctrl_flags flags,
PCI_DMA_TODEVICE, flags, 0);
}
-unsigned long ioat_get_current_completion(struct ioat_chan_common *chan)
+dma_addr_t ioat_get_current_completion(struct ioat_chan_common *chan)
{
- unsigned long phys_complete;
+ dma_addr_t phys_complete;
u64 completion;
completion = *chan->completion;
@@ -571,7 +571,7 @@ unsigned long ioat_get_current_completion(struct ioat_chan_common *chan)
}
bool ioat_cleanup_preamble(struct ioat_chan_common *chan,
- unsigned long *phys_complete)
+ dma_addr_t *phys_complete)
{
*phys_complete = ioat_get_current_completion(chan);
if (*phys_complete == chan->last_completion)
@@ -582,14 +582,14 @@ bool ioat_cleanup_preamble(struct ioat_chan_common *chan,
return true;
}
-static void __cleanup(struct ioat_dma_chan *ioat, unsigned long phys_complete)
+static void __cleanup(struct ioat_dma_chan *ioat, dma_addr_t phys_complete)
{
struct ioat_chan_common *chan = &ioat->base;
struct list_head *_desc, *n;
struct dma_async_tx_descriptor *tx;
- dev_dbg(to_dev(chan), "%s: phys_complete: %lx\n",
- __func__, phys_complete);
+ dev_dbg(to_dev(chan), "%s: phys_complete: %llx\n",
+ __func__, (unsigned long long) phys_complete);
list_for_each_safe(_desc, n, &ioat->used_desc) {
struct ioat_desc_sw *desc;
@@ -655,7 +655,7 @@ static void __cleanup(struct ioat_dma_chan *ioat, unsigned long phys_complete)
static void ioat1_cleanup(struct ioat_dma_chan *ioat)
{
struct ioat_chan_common *chan = &ioat->base;
- unsigned long phys_complete;
+ dma_addr_t phys_complete;
prefetch(chan->completion);
@@ -701,7 +701,7 @@ static void ioat1_timer_event(unsigned long data)
mod_timer(&chan->timer, jiffies + COMPLETION_TIMEOUT);
spin_unlock_bh(&ioat->desc_lock);
} else if (test_bit(IOAT_COMPLETION_PENDING, &chan->state)) {
- unsigned long phys_complete;
+ dma_addr_t phys_complete;
spin_lock_bh(&ioat->desc_lock);
/* if we haven't made progress and we have already
diff --git a/drivers/dma/ioat/dma.h b/drivers/dma/ioat/dma.h
index 5216c8a..8bebddd 100644
--- a/drivers/dma/ioat/dma.h
+++ b/drivers/dma/ioat/dma.h
@@ -88,7 +88,7 @@ struct ioatdma_device {
struct ioat_chan_common {
struct dma_chan common;
void __iomem *reg_base;
- unsigned long last_completion;
+ dma_addr_t last_completion;
spinlock_t cleanup_lock;
dma_cookie_t completed_cookie;
unsigned long state;
@@ -333,7 +333,7 @@ int __devinit ioat_dma_self_test(struct ioatdma_device *device);
void __devexit ioat_dma_remove(struct ioatdma_device *device);
struct dca_provider * __devinit ioat_dca_init(struct pci_dev *pdev,
void __iomem *iobase);
-unsigned long ioat_get_current_completion(struct ioat_chan_common *chan);
+dma_addr_t ioat_get_current_completion(struct ioat_chan_common *chan);
void ioat_init_channel(struct ioatdma_device *device,
struct ioat_chan_common *chan, int idx);
enum dma_status ioat_dma_tx_status(struct dma_chan *c, dma_cookie_t cookie,
@@ -341,7 +341,7 @@ enum dma_status ioat_dma_tx_status(struct dma_chan *c, dma_cookie_t cookie,
void ioat_dma_unmap(struct ioat_chan_common *chan, enum dma_ctrl_flags flags,
size_t len, struct ioat_dma_descriptor *hw);
bool ioat_cleanup_preamble(struct ioat_chan_common *chan,
- unsigned long *phys_complete);
+ dma_addr_t *phys_complete);
void ioat_kobject_add(struct ioatdma_device *device, struct kobj_type *type);
void ioat_kobject_del(struct ioatdma_device *device);
extern const struct sysfs_ops ioat_sysfs_ops;
diff --git a/drivers/dma/ioat/dma_v2.c b/drivers/dma/ioat/dma_v2.c
index 5d65f83..cb8864d 100644
--- a/drivers/dma/ioat/dma_v2.c
+++ b/drivers/dma/ioat/dma_v2.c
@@ -126,7 +126,7 @@ static void ioat2_start_null_desc(struct ioat2_dma_chan *ioat)
spin_unlock_bh(&ioat->prep_lock);
}
-static void __cleanup(struct ioat2_dma_chan *ioat, unsigned long phys_complete)
+static void __cleanup(struct ioat2_dma_chan *ioat, dma_addr_t phys_complete)
{
struct ioat_chan_common *chan = &ioat->base;
struct dma_async_tx_descriptor *tx;
@@ -178,7 +178,7 @@ static void __cleanup(struct ioat2_dma_chan *ioat, unsigned long phys_complete)
static void ioat2_cleanup(struct ioat2_dma_chan *ioat)
{
struct ioat_chan_common *chan = &ioat->base;
- unsigned long phys_complete;
+ dma_addr_t phys_complete;
spin_lock_bh(&chan->cleanup_lock);
if (ioat_cleanup_preamble(chan, &phys_complete))
@@ -259,7 +259,7 @@ int ioat2_reset_sync(struct ioat_chan_common *chan, unsigned long tmo)
static void ioat2_restart_channel(struct ioat2_dma_chan *ioat)
{
struct ioat_chan_common *chan = &ioat->base;
- unsigned long phys_complete;
+ dma_addr_t phys_complete;
ioat2_quiesce(chan, 0);
if (ioat_cleanup_preamble(chan, &phys_complete))
@@ -274,7 +274,7 @@ void ioat2_timer_event(unsigned long data)
struct ioat_chan_common *chan = &ioat->base;
if (test_bit(IOAT_COMPLETION_PENDING, &chan->state)) {
- unsigned long phys_complete;
+ dma_addr_t phys_complete;
u64 status;
status = ioat_chansts(chan);
diff --git a/drivers/dma/ioat/dma_v3.c b/drivers/dma/ioat/dma_v3.c
index f519c93..2dbf32b 100644
--- a/drivers/dma/ioat/dma_v3.c
+++ b/drivers/dma/ioat/dma_v3.c
@@ -256,7 +256,7 @@ static bool desc_has_ext(struct ioat_ring_ent *desc)
* The difference from the dma_v2.c __cleanup() is that this routine
* handles extended descriptors and dma-unmapping raid operations.
*/
-static void __cleanup(struct ioat2_dma_chan *ioat, unsigned long phys_complete)
+static void __cleanup(struct ioat2_dma_chan *ioat, dma_addr_t phys_complete)
{
struct ioat_chan_common *chan = &ioat->base;
struct ioat_ring_ent *desc;
@@ -314,7 +314,7 @@ static void __cleanup(struct ioat2_dma_chan *ioat, unsigned long phys_complete)
static void ioat3_cleanup(struct ioat2_dma_chan *ioat)
{
struct ioat_chan_common *chan = &ioat->base;
- unsigned long phys_complete;
+ dma_addr_t phys_complete;
spin_lock_bh(&chan->cleanup_lock);
if (ioat_cleanup_preamble(chan, &phys_complete))
@@ -333,7 +333,7 @@ static void ioat3_cleanup_event(unsigned long data)
static void ioat3_restart_channel(struct ioat2_dma_chan *ioat)
{
struct ioat_chan_common *chan = &ioat->base;
- unsigned long phys_complete;
+ dma_addr_t phys_complete;
ioat2_quiesce(chan, 0);
if (ioat_cleanup_preamble(chan, &phys_complete))
@@ -348,7 +348,7 @@ static void ioat3_timer_event(unsigned long data)
struct ioat_chan_common *chan = &ioat->base;
if (test_bit(IOAT_COMPLETION_PENDING, &chan->state)) {
- unsigned long phys_complete;
+ dma_addr_t phys_complete;
u64 status;
status = ioat_chansts(chan);
diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c
index aada26f..7432e72 100644
--- a/drivers/gpu/drm/drm_fb_helper.c
+++ b/drivers/gpu/drm/drm_fb_helper.c
@@ -617,9 +617,13 @@ int drm_fb_helper_check_var(struct fb_var_screeninfo *var,
return -EINVAL;
/* Need to resize the fb object !!! */
- if (var->bits_per_pixel > fb->bits_per_pixel || var->xres > fb->width || var->yres > fb->height) {
+ if (var->bits_per_pixel > fb->bits_per_pixel ||
+ var->xres > fb->width || var->yres > fb->height ||
+ var->xres_virtual > fb->width || var->yres_virtual > fb->height) {
DRM_DEBUG("fb userspace requested width/height/bpp is greater than current fb "
- "object %dx%d-%d > %dx%d-%d\n", var->xres, var->yres, var->bits_per_pixel,
+ "request %dx%d-%d (virtual %dx%d) > %dx%d-%d\n",
+ var->xres, var->yres, var->bits_per_pixel,
+ var->xres_virtual, var->yres_virtual,
fb->width, fb->height, fb->bits_per_pixel);
return -EINVAL;
}
diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index c1043e5..5ee318c 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -508,7 +508,9 @@ static int i915_drm_thaw(struct drm_device *dev)
drm_irq_install(dev);
/* Resume the modeset for every activated CRTC */
+ mutex_lock(&dev->mode_config.mutex);
drm_helper_resume_force_mode(dev);
+ mutex_unlock(&dev->mode_config.mutex);
if (IS_IRONLAKE_M(dev))
ironlake_enable_rc6(dev);
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 558ac71..3e6429a 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -2313,6 +2313,7 @@
#define PIPECONF_DISABLE 0
#define PIPECONF_DOUBLE_WIDE (1<<30)
#define I965_PIPECONF_ACTIVE (1<<30)
+#define PIPECONF_FRAME_START_DELAY_MASK (3<<27)
#define PIPECONF_SINGLE_WIDE 0
#define PIPECONF_PIPE_UNLOCKED 0
#define PIPECONF_PIPE_LOCKED (1<<25)
diff --git a/drivers/gpu/drm/i915/intel_bios.c b/drivers/gpu/drm/i915/intel_bios.c
index 63880e2..22efb08 100644
--- a/drivers/gpu/drm/i915/intel_bios.c
+++ b/drivers/gpu/drm/i915/intel_bios.c
@@ -24,6 +24,7 @@
* Eric Anholt <eric@...olt.net>
*
*/
+#include <linux/dmi.h>
#include <drm/drm_dp_helper.h>
#include "drmP.h"
#include "drm.h"
@@ -621,6 +622,26 @@ init_vbt_defaults(struct drm_i915_private *dev_priv)
dev_priv->edp.bpp = 18;
}
+static int __init intel_no_opregion_vbt_callback(const struct dmi_system_id *id)
+{
+ DRM_DEBUG_KMS("Falling back to manually reading VBT from "
+ "VBIOS ROM for %s\n",
+ id->ident);
+ return 1;
+}
+
+static const struct dmi_system_id intel_no_opregion_vbt[] = {
+ {
+ .callback = intel_no_opregion_vbt_callback,
+ .ident = "ThinkCentre A57",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "97027RG"),
+ },
+ },
+ { }
+};
+
/**
* intel_parse_bios - find VBT and initialize settings from the BIOS
* @dev: DRM device
@@ -641,7 +662,7 @@ intel_parse_bios(struct drm_device *dev)
init_vbt_defaults(dev_priv);
/* XXX Should this validation be moved to intel_opregion.c? */
- if (dev_priv->opregion.vbt) {
+ if (!dmi_check_system(intel_no_opregion_vbt) && dev_priv->opregion.vbt) {
struct vbt_header *vbt = dev_priv->opregion.vbt;
if (memcmp(vbt->signature, "$VBT", 4) == 0) {
DRM_DEBUG_KMS("Using VBT from OpRegion: %20s\n",
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 397087c..2163818 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -7497,6 +7497,12 @@ static void intel_sanitize_modesetting(struct drm_device *dev,
struct drm_i915_private *dev_priv = dev->dev_private;
u32 reg, val;
+ /* Clear any frame start delays used for debugging left by the BIOS */
+ for_each_pipe(pipe) {
+ reg = PIPECONF(pipe);
+ I915_WRITE(reg, I915_READ(reg) & ~PIPECONF_FRAME_START_DELAY_MASK);
+ }
+
if (HAS_PCH_SPLIT(dev))
return;
diff --git a/drivers/gpu/drm/i915/intel_lvds.c b/drivers/gpu/drm/i915/intel_lvds.c
index aa84832..8b42354 100644
--- a/drivers/gpu/drm/i915/intel_lvds.c
+++ b/drivers/gpu/drm/i915/intel_lvds.c
@@ -739,6 +739,14 @@ static const struct dmi_system_id intel_no_lvds[] = {
DMI_MATCH(DMI_BOARD_NAME, "AT5NM10T-I"),
},
},
+ {
+ .callback = intel_no_lvds_dmi_callback,
+ .ident = "MSI Wind Box DC500",
+ .matches = {
+ DMI_MATCH(DMI_BOARD_VENDOR, "MICRO-STAR INTERNATIONAL CO., LTD"),
+ DMI_MATCH(DMI_BOARD_NAME, "MS-7469"),
+ },
+ },
{ } /* terminating entry */
};
diff --git a/drivers/gpu/drm/i915/intel_sprite.c b/drivers/gpu/drm/i915/intel_sprite.c
index a083504..a82b097 100644
--- a/drivers/gpu/drm/i915/intel_sprite.c
+++ b/drivers/gpu/drm/i915/intel_sprite.c
@@ -411,6 +411,9 @@ intel_update_plane(struct drm_plane *plane, struct drm_crtc *crtc,
old_obj = intel_plane->obj;
+ src_w = src_w >> 16;
+ src_h = src_h >> 16;
+
/* Pipe must be running... */
if (!(I915_READ(PIPECONF(pipe)) & PIPECONF_ENABLE))
return -EINVAL;
diff --git a/drivers/gpu/drm/radeon/atom.c b/drivers/gpu/drm/radeon/atom.c
index d1bd239..5ce9bf5 100644
--- a/drivers/gpu/drm/radeon/atom.c
+++ b/drivers/gpu/drm/radeon/atom.c
@@ -1306,8 +1306,11 @@ struct atom_context *atom_parse(struct card_info *card, void *bios)
int atom_asic_init(struct atom_context *ctx)
{
+ struct radeon_device *rdev = ctx->card->dev->dev_private;
int hwi = CU16(ctx->data_table + ATOM_DATA_FWI_PTR);
uint32_t ps[16];
+ int ret;
+
memset(ps, 0, 64);
ps[0] = cpu_to_le32(CU32(hwi + ATOM_FWI_DEFSCLK_PTR));
@@ -1317,7 +1320,17 @@ int atom_asic_init(struct atom_context *ctx)
if (!CU16(ctx->cmd_table + 4 + 2 * ATOM_CMD_INIT))
return 1;
- return atom_execute_table(ctx, ATOM_CMD_INIT, ps);
+ ret = atom_execute_table(ctx, ATOM_CMD_INIT, ps);
+ if (ret)
+ return ret;
+
+ memset(ps, 0, 64);
+
+ if (rdev->family < CHIP_R600) {
+ if (CU16(ctx->cmd_table + 4 + 2 * ATOM_CMD_SPDFANCNTL))
+ atom_execute_table(ctx, ATOM_CMD_SPDFANCNTL, ps);
+ }
+ return ret;
}
void atom_destroy(struct atom_context *ctx)
diff --git a/drivers/gpu/drm/radeon/atom.h b/drivers/gpu/drm/radeon/atom.h
index 93cfe20..25fea63 100644
--- a/drivers/gpu/drm/radeon/atom.h
+++ b/drivers/gpu/drm/radeon/atom.h
@@ -44,6 +44,7 @@
#define ATOM_CMD_SETSCLK 0x0A
#define ATOM_CMD_SETMCLK 0x0B
#define ATOM_CMD_SETPCLK 0x0C
+#define ATOM_CMD_SPDFANCNTL 0x39
#define ATOM_DATA_FWI_PTR 0xC
#define ATOM_DATA_IIO_PTR 0x32
diff --git a/drivers/media/dvb/dvb-core/dvb_frontend.c b/drivers/media/dvb/dvb-core/dvb_frontend.c
index fbbe545..e721975 100644
--- a/drivers/media/dvb/dvb-core/dvb_frontend.c
+++ b/drivers/media/dvb/dvb-core/dvb_frontend.c
@@ -143,6 +143,8 @@ struct dvb_frontend_private {
static void dvb_frontend_wakeup(struct dvb_frontend *fe);
static int dtv_get_frontend(struct dvb_frontend *fe,
struct dvb_frontend_parameters *p_out);
+static int dtv_property_legacy_params_sync(struct dvb_frontend *fe,
+ struct dvb_frontend_parameters *p);
static bool has_get_frontend(struct dvb_frontend *fe)
{
@@ -655,6 +657,8 @@ restart:
dprintk("%s: Retune requested, FESTATE_RETUNE\n", __func__);
re_tune = true;
fepriv->state = FESTATE_TUNED;
+ } else {
+ re_tune = false;
}
if (fe->ops.tune)
@@ -695,6 +699,7 @@ restart:
fepriv->algo_status |= DVBFE_ALGO_SEARCH_AGAIN;
fepriv->delay = HZ / 2;
}
+ dtv_property_legacy_params_sync(fe, &fepriv->parameters_out);
fe->ops.read_status(fe, &s);
if (s != fepriv->status) {
dvb_frontend_add_event(fe, s); /* update event list */
@@ -1831,6 +1836,13 @@ static int dtv_set_frontend(struct dvb_frontend *fe)
return -EINVAL;
/*
+ * Initialize output parameters to match the values given by
+ * the user. FE_SET_FRONTEND triggers an initial frontend event
+ * with status = 0, which copies output parameters to userspace.
+ */
+ dtv_property_legacy_params_sync(fe, &fepriv->parameters_out);
+
+ /*
* Be sure that the bandwidth will be filled for all
* non-satellite systems, as tuners need to know what
* low pass/Nyquist half filter should be applied, in
diff --git a/drivers/media/video/uvc/uvc_video.c b/drivers/media/video/uvc/uvc_video.c
index 4a44f9a..b76b0ac 100644
--- a/drivers/media/video/uvc/uvc_video.c
+++ b/drivers/media/video/uvc/uvc_video.c
@@ -468,22 +468,30 @@ uvc_video_clock_decode(struct uvc_streaming *stream, struct uvc_buffer *buf,
spin_unlock_irqrestore(&stream->clock.lock, flags);
}
-static int uvc_video_clock_init(struct uvc_streaming *stream)
+static void uvc_video_clock_reset(struct uvc_streaming *stream)
{
struct uvc_clock *clock = &stream->clock;
- spin_lock_init(&clock->lock);
clock->head = 0;
clock->count = 0;
- clock->size = 32;
clock->last_sof = -1;
clock->sof_offset = -1;
+}
+
+static int uvc_video_clock_init(struct uvc_streaming *stream)
+{
+ struct uvc_clock *clock = &stream->clock;
+
+ spin_lock_init(&clock->lock);
+ clock->size = 32;
clock->samples = kmalloc(clock->size * sizeof(*clock->samples),
GFP_KERNEL);
if (clock->samples == NULL)
return -ENOMEM;
+ uvc_video_clock_reset(stream);
+
return 0;
}
@@ -1424,8 +1432,6 @@ static void uvc_uninit_video(struct uvc_streaming *stream, int free_buffers)
if (free_buffers)
uvc_free_urb_buffers(stream);
-
- uvc_video_clock_cleanup(stream);
}
/*
@@ -1555,10 +1561,6 @@ static int uvc_init_video(struct uvc_streaming *stream, gfp_t gfp_flags)
uvc_video_stats_start(stream);
- ret = uvc_video_clock_init(stream);
- if (ret < 0)
- return ret;
-
if (intf->num_altsetting > 1) {
struct usb_host_endpoint *best_ep = NULL;
unsigned int best_psize = 3 * 1024;
@@ -1683,6 +1685,8 @@ int uvc_video_resume(struct uvc_streaming *stream, int reset)
stream->frozen = 0;
+ uvc_video_clock_reset(stream);
+
ret = uvc_commit_video(stream, &stream->ctrl);
if (ret < 0) {
uvc_queue_enable(&stream->queue, 0);
@@ -1819,25 +1823,35 @@ int uvc_video_enable(struct uvc_streaming *stream, int enable)
uvc_uninit_video(stream, 1);
usb_set_interface(stream->dev->udev, stream->intfnum, 0);
uvc_queue_enable(&stream->queue, 0);
+ uvc_video_clock_cleanup(stream);
return 0;
}
- ret = uvc_queue_enable(&stream->queue, 1);
+ ret = uvc_video_clock_init(stream);
if (ret < 0)
return ret;
+ ret = uvc_queue_enable(&stream->queue, 1);
+ if (ret < 0)
+ goto error_queue;
+
/* Commit the streaming parameters. */
ret = uvc_commit_video(stream, &stream->ctrl);
- if (ret < 0) {
- uvc_queue_enable(&stream->queue, 0);
- return ret;
- }
+ if (ret < 0)
+ goto error_commit;
ret = uvc_init_video(stream, GFP_KERNEL);
- if (ret < 0) {
- usb_set_interface(stream->dev->udev, stream->intfnum, 0);
- uvc_queue_enable(&stream->queue, 0);
- }
+ if (ret < 0)
+ goto error_video;
+
+ return 0;
+
+error_video:
+ usb_set_interface(stream->dev->udev, stream->intfnum, 0);
+error_commit:
+ uvc_queue_enable(&stream->queue, 0);
+error_queue:
+ uvc_video_clock_cleanup(stream);
return ret;
}
diff --git a/drivers/mfd/da9052-spi.c b/drivers/mfd/da9052-spi.c
index cdbc7ca..2693c87 100644
--- a/drivers/mfd/da9052-spi.c
+++ b/drivers/mfd/da9052-spi.c
@@ -21,7 +21,7 @@
#include <linux/mfd/da9052/da9052.h>
-static int da9052_spi_probe(struct spi_device *spi)
+static int __devinit da9052_spi_probe(struct spi_device *spi)
{
int ret;
const struct spi_device_id *id = spi_get_device_id(spi);
@@ -61,7 +61,7 @@ err:
return ret;
}
-static int da9052_spi_remove(struct spi_device *spi)
+static int __devexit da9052_spi_remove(struct spi_device *spi)
{
struct da9052 *da9052 = dev_get_drvdata(&spi->dev);
diff --git a/drivers/mfd/twl6030-irq.c b/drivers/mfd/twl6030-irq.c
index c6b456a..aa367a2 100644
--- a/drivers/mfd/twl6030-irq.c
+++ b/drivers/mfd/twl6030-irq.c
@@ -185,8 +185,17 @@ static int twl6030_irq_thread(void *data)
}
local_irq_enable();
}
- ret = twl_i2c_write(TWL_MODULE_PIH, sts.bytes,
- REG_INT_STS_A, 3); /* clear INT_STS_A */
+
+ /*
+ * NOTE:
+ * Simulation confirms that documentation is wrong w.r.t the
+ * interrupt status clear operation. A single *byte* write to
+ * any one of STS_A to STS_C register results in all three
+ * STS registers being reset. Since it does not matter which
+ * value is written, all three registers are cleared on a
+ * single byte write, so we just use 0x0 to clear.
+ */
+ ret = twl_i2c_write_u8(TWL_MODULE_PIH, 0x00, REG_INT_STS_A);
if (ret)
pr_warning("twl6030: I2C error in clearing PIH ISR\n");
diff --git a/drivers/misc/kgdbts.c b/drivers/misc/kgdbts.c
index 3f7ad83..3aa9a96 100644
--- a/drivers/misc/kgdbts.c
+++ b/drivers/misc/kgdbts.c
@@ -134,12 +134,17 @@ static int force_hwbrks;
static int hwbreaks_ok;
static int hw_break_val;
static int hw_break_val2;
+static int cont_instead_of_sstep;
+static unsigned long cont_thread_id;
+static unsigned long sstep_thread_id;
#if defined(CONFIG_ARM) || defined(CONFIG_MIPS) || defined(CONFIG_SPARC)
static int arch_needs_sstep_emulation = 1;
#else
static int arch_needs_sstep_emulation;
#endif
+static unsigned long cont_addr;
static unsigned long sstep_addr;
+static int restart_from_top_after_write;
static int sstep_state;
/* Storage for the registers, in GDB format. */
@@ -187,7 +192,8 @@ static int kgdbts_unreg_thread(void *ptr)
*/
while (!final_ack)
msleep_interruptible(1500);
-
+ /* Pause for any other threads to exit after final ack. */
+ msleep_interruptible(1000);
if (configured)
kgdb_unregister_io_module(&kgdbts_io_ops);
configured = 0;
@@ -211,7 +217,7 @@ static unsigned long lookup_addr(char *arg)
if (!strcmp(arg, "kgdbts_break_test"))
addr = (unsigned long)kgdbts_break_test;
else if (!strcmp(arg, "sys_open"))
- addr = (unsigned long)sys_open;
+ addr = (unsigned long)do_sys_open;
else if (!strcmp(arg, "do_fork"))
addr = (unsigned long)do_fork;
else if (!strcmp(arg, "hw_break_val"))
@@ -283,6 +289,16 @@ static void hw_break_val_write(void)
hw_break_val++;
}
+static int get_thread_id_continue(char *put_str, char *arg)
+{
+ char *ptr = &put_str[11];
+
+ if (put_str[1] != 'T' || put_str[2] != '0')
+ return 1;
+ kgdb_hex2long(&ptr, &cont_thread_id);
+ return 0;
+}
+
static int check_and_rewind_pc(char *put_str, char *arg)
{
unsigned long addr = lookup_addr(arg);
@@ -299,13 +315,21 @@ static int check_and_rewind_pc(char *put_str, char *arg)
if (addr + BREAK_INSTR_SIZE == ip)
offset = -BREAK_INSTR_SIZE;
#endif
- if (strcmp(arg, "silent") && ip + offset != addr) {
+
+ if (arch_needs_sstep_emulation && sstep_addr &&
+ ip + offset == sstep_addr &&
+ ((!strcmp(arg, "sys_open") || !strcmp(arg, "do_fork")))) {
+ /* This is special case for emulated single step */
+ v2printk("Emul: rewind hit single step bp\n");
+ restart_from_top_after_write = 1;
+ } else if (strcmp(arg, "silent") && ip + offset != addr) {
eprintk("kgdbts: BP mismatch %lx expected %lx\n",
ip + offset, addr);
return 1;
}
/* Readjust the instruction pointer if needed */
ip += offset;
+ cont_addr = ip;
#ifdef GDB_ADJUSTS_BREAK_OFFSET
instruction_pointer_set(&kgdbts_regs, ip);
#endif
@@ -315,6 +339,8 @@ static int check_and_rewind_pc(char *put_str, char *arg)
static int check_single_step(char *put_str, char *arg)
{
unsigned long addr = lookup_addr(arg);
+ static int matched_id;
+
/*
* From an arch indepent point of view the instruction pointer
* should be on a different instruction
@@ -324,6 +350,29 @@ static int check_single_step(char *put_str, char *arg)
gdb_regs_to_pt_regs(kgdbts_gdb_regs, &kgdbts_regs);
v2printk("Singlestep stopped at IP: %lx\n",
instruction_pointer(&kgdbts_regs));
+
+ if (sstep_thread_id != cont_thread_id) {
+ /*
+ * Ensure we stopped in the same thread id as before, else the
+ * debugger should continue until the original thread that was
+ * single stepped is scheduled again, emulating gdb's behavior.
+ */
+ v2printk("ThrID does not match: %lx\n", cont_thread_id);
+ if (arch_needs_sstep_emulation) {
+ if (matched_id &&
+ instruction_pointer(&kgdbts_regs) != addr)
+ goto continue_test;
+ matched_id++;
+ ts.idx -= 2;
+ sstep_state = 0;
+ return 0;
+ }
+ cont_instead_of_sstep = 1;
+ ts.idx -= 4;
+ return 0;
+ }
+continue_test:
+ matched_id = 0;
if (instruction_pointer(&kgdbts_regs) == addr) {
eprintk("kgdbts: SingleStep failed at %lx\n",
instruction_pointer(&kgdbts_regs));
@@ -365,10 +414,40 @@ static int got_break(char *put_str, char *arg)
return 1;
}
+static void get_cont_catch(char *arg)
+{
+ /* Always send detach because the test is completed at this point */
+ fill_get_buf("D");
+}
+
+static int put_cont_catch(char *put_str, char *arg)
+{
+ /* This is at the end of the test and we catch any and all input */
+ v2printk("kgdbts: cleanup task: %lx\n", sstep_thread_id);
+ ts.idx--;
+ return 0;
+}
+
+static int emul_reset(char *put_str, char *arg)
+{
+ if (strncmp(put_str, "$OK", 3))
+ return 1;
+ if (restart_from_top_after_write) {
+ restart_from_top_after_write = 0;
+ ts.idx = -1;
+ }
+ return 0;
+}
+
static void emul_sstep_get(char *arg)
{
if (!arch_needs_sstep_emulation) {
- fill_get_buf(arg);
+ if (cont_instead_of_sstep) {
+ cont_instead_of_sstep = 0;
+ fill_get_buf("c");
+ } else {
+ fill_get_buf(arg);
+ }
return;
}
switch (sstep_state) {
@@ -398,9 +477,11 @@ static void emul_sstep_get(char *arg)
static int emul_sstep_put(char *put_str, char *arg)
{
if (!arch_needs_sstep_emulation) {
- if (!strncmp(put_str+1, arg, 2))
- return 0;
- return 1;
+ char *ptr = &put_str[11];
+ if (put_str[1] != 'T' || put_str[2] != '0')
+ return 1;
+ kgdb_hex2long(&ptr, &sstep_thread_id);
+ return 0;
}
switch (sstep_state) {
case 1:
@@ -411,8 +492,7 @@ static int emul_sstep_put(char *put_str, char *arg)
v2printk("Stopped at IP: %lx\n",
instruction_pointer(&kgdbts_regs));
/* Want to stop at IP + break instruction size by default */
- sstep_addr = instruction_pointer(&kgdbts_regs) +
- BREAK_INSTR_SIZE;
+ sstep_addr = cont_addr + BREAK_INSTR_SIZE;
break;
case 2:
if (strncmp(put_str, "$OK", 3)) {
@@ -424,6 +504,9 @@ static int emul_sstep_put(char *put_str, char *arg)
if (strncmp(put_str, "$T0", 3)) {
eprintk("kgdbts: failed continue sstep\n");
return 1;
+ } else {
+ char *ptr = &put_str[11];
+ kgdb_hex2long(&ptr, &sstep_thread_id);
}
break;
case 4:
@@ -502,10 +585,10 @@ static struct test_struct bad_read_test[] = {
static struct test_struct singlestep_break_test[] = {
{ "?", "S0*" }, /* Clear break points */
{ "kgdbts_break_test", "OK", sw_break, }, /* set sw breakpoint */
- { "c", "T0*", }, /* Continue */
+ { "c", "T0*", NULL, get_thread_id_continue }, /* Continue */
+ { "kgdbts_break_test", "OK", sw_rem_break }, /*remove breakpoint */
{ "g", "kgdbts_break_test", NULL, check_and_rewind_pc },
{ "write", "OK", write_regs }, /* Write registers */
- { "kgdbts_break_test", "OK", sw_rem_break }, /*remove breakpoint */
{ "s", "T0*", emul_sstep_get, emul_sstep_put }, /* Single step */
{ "g", "kgdbts_break_test", NULL, check_single_step },
{ "kgdbts_break_test", "OK", sw_break, }, /* set sw breakpoint */
@@ -523,16 +606,16 @@ static struct test_struct singlestep_break_test[] = {
static struct test_struct do_fork_test[] = {
{ "?", "S0*" }, /* Clear break points */
{ "do_fork", "OK", sw_break, }, /* set sw breakpoint */
- { "c", "T0*", }, /* Continue */
- { "g", "do_fork", NULL, check_and_rewind_pc }, /* check location */
- { "write", "OK", write_regs }, /* Write registers */
+ { "c", "T0*", NULL, get_thread_id_continue }, /* Continue */
{ "do_fork", "OK", sw_rem_break }, /*remove breakpoint */
+ { "g", "do_fork", NULL, check_and_rewind_pc }, /* check location */
+ { "write", "OK", write_regs, emul_reset }, /* Write registers */
{ "s", "T0*", emul_sstep_get, emul_sstep_put }, /* Single step */
{ "g", "do_fork", NULL, check_single_step },
{ "do_fork", "OK", sw_break, }, /* set sw breakpoint */
{ "7", "T0*", skip_back_repeat_test }, /* Loop based on repeat_test */
{ "D", "OK", NULL, final_ack_set }, /* detach and unregister I/O */
- { "", "" },
+ { "", "", get_cont_catch, put_cont_catch },
};
/* Test for hitting a breakpoint at sys_open for what ever the number
@@ -541,16 +624,16 @@ static struct test_struct do_fork_test[] = {
static struct test_struct sys_open_test[] = {
{ "?", "S0*" }, /* Clear break points */
{ "sys_open", "OK", sw_break, }, /* set sw breakpoint */
- { "c", "T0*", }, /* Continue */
- { "g", "sys_open", NULL, check_and_rewind_pc }, /* check location */
- { "write", "OK", write_regs }, /* Write registers */
+ { "c", "T0*", NULL, get_thread_id_continue }, /* Continue */
{ "sys_open", "OK", sw_rem_break }, /*remove breakpoint */
+ { "g", "sys_open", NULL, check_and_rewind_pc }, /* check location */
+ { "write", "OK", write_regs, emul_reset }, /* Write registers */
{ "s", "T0*", emul_sstep_get, emul_sstep_put }, /* Single step */
{ "g", "sys_open", NULL, check_single_step },
{ "sys_open", "OK", sw_break, }, /* set sw breakpoint */
{ "7", "T0*", skip_back_repeat_test }, /* Loop based on repeat_test */
{ "D", "OK", NULL, final_ack_set }, /* detach and unregister I/O */
- { "", "" },
+ { "", "", get_cont_catch, put_cont_catch },
};
/*
@@ -693,8 +776,8 @@ static int run_simple_test(int is_get_char, int chr)
/* This callback is a put char which is when kgdb sends data to
* this I/O module.
*/
- if (ts.tst[ts.idx].get[0] == '\0' &&
- ts.tst[ts.idx].put[0] == '\0') {
+ if (ts.tst[ts.idx].get[0] == '\0' && ts.tst[ts.idx].put[0] == '\0' &&
+ !ts.tst[ts.idx].get_handler) {
eprintk("kgdbts: ERROR: beyond end of test on"
" '%s' line %i\n", ts.name, ts.idx);
return 0;
@@ -907,6 +990,17 @@ static void kgdbts_run_tests(void)
if (ptr)
sstep_test = simple_strtol(ptr+1, NULL, 10);
+ /* All HW break point tests */
+ if (arch_kgdb_ops.flags & KGDB_HW_BREAKPOINT) {
+ hwbreaks_ok = 1;
+ v1printk("kgdbts:RUN hw breakpoint test\n");
+ run_breakpoint_test(1);
+ v1printk("kgdbts:RUN hw write breakpoint test\n");
+ run_hw_break_test(1);
+ v1printk("kgdbts:RUN access write breakpoint test\n");
+ run_hw_break_test(0);
+ }
+
/* required internal KGDB tests */
v1printk("kgdbts:RUN plant and detach test\n");
run_plant_and_detach_test(0);
@@ -924,35 +1018,11 @@ static void kgdbts_run_tests(void)
/* ===Optional tests=== */
- /* All HW break point tests */
- if (arch_kgdb_ops.flags & KGDB_HW_BREAKPOINT) {
- hwbreaks_ok = 1;
- v1printk("kgdbts:RUN hw breakpoint test\n");
- run_breakpoint_test(1);
- v1printk("kgdbts:RUN hw write breakpoint test\n");
- run_hw_break_test(1);
- v1printk("kgdbts:RUN access write breakpoint test\n");
- run_hw_break_test(0);
- }
-
if (nmi_sleep) {
v1printk("kgdbts:RUN NMI sleep %i seconds test\n", nmi_sleep);
run_nmi_sleep_test(nmi_sleep);
}
-#ifdef CONFIG_DEBUG_RODATA
- /* Until there is an api to write to read-only text segments, use
- * HW breakpoints for the remainder of any tests, else print a
- * failure message if hw breakpoints do not work.
- */
- if (!(arch_kgdb_ops.flags & KGDB_HW_BREAKPOINT && hwbreaks_ok)) {
- eprintk("kgdbts: HW breakpoints do not work,"
- "skipping remaining tests\n");
- return;
- }
- force_hwbrks = 1;
-#endif /* CONFIG_DEBUG_RODATA */
-
/* If the do_fork test is run it will be the last test that is
* executed because a kernel thread will be spawned at the very
* end to unregister the debug hooks.
diff --git a/drivers/mmc/core/sdio_bus.c b/drivers/mmc/core/sdio_bus.c
index 40989e6..236842e 100644
--- a/drivers/mmc/core/sdio_bus.c
+++ b/drivers/mmc/core/sdio_bus.c
@@ -192,9 +192,15 @@ static int sdio_bus_remove(struct device *dev)
return ret;
}
-#ifdef CONFIG_PM_RUNTIME
+#ifdef CONFIG_PM
+
+static int pm_no_operation(struct device *dev)
+{
+ return 0;
+}
static const struct dev_pm_ops sdio_bus_pm_ops = {
+ SET_SYSTEM_SLEEP_PM_OPS(pm_no_operation, pm_no_operation)
SET_RUNTIME_PM_OPS(
pm_generic_runtime_suspend,
pm_generic_runtime_resume,
@@ -204,11 +210,11 @@ static const struct dev_pm_ops sdio_bus_pm_ops = {
#define SDIO_PM_OPS_PTR (&sdio_bus_pm_ops)
-#else /* !CONFIG_PM_RUNTIME */
+#else /* !CONFIG_PM */
#define SDIO_PM_OPS_PTR NULL
-#endif /* !CONFIG_PM_RUNTIME */
+#endif /* !CONFIG_PM */
static struct bus_type sdio_bus_type = {
.name = "sdio",
diff --git a/drivers/mmc/host/atmel-mci.c b/drivers/mmc/host/atmel-mci.c
index e4449a5..3a57964 100644
--- a/drivers/mmc/host/atmel-mci.c
+++ b/drivers/mmc/host/atmel-mci.c
@@ -480,7 +480,14 @@ err:
static inline unsigned int atmci_ns_to_clocks(struct atmel_mci *host,
unsigned int ns)
{
- return (ns * (host->bus_hz / 1000000) + 999) / 1000;
+ /*
+ * It is easier here to use us instead of ns for the timeout,
+ * it prevents from overflows during calculation.
+ */
+ unsigned int us = DIV_ROUND_UP(ns, 1000);
+
+ /* Maximum clock frequency is host->bus_hz/2 */
+ return us * (DIV_ROUND_UP(host->bus_hz, 2000000));
}
static void atmci_set_timeout(struct atmel_mci *host,
diff --git a/drivers/mmc/host/sdhci-dove.c b/drivers/mmc/host/sdhci-dove.c
index 46fd1fd..177f697 100644
--- a/drivers/mmc/host/sdhci-dove.c
+++ b/drivers/mmc/host/sdhci-dove.c
@@ -20,6 +20,7 @@
*/
#include <linux/io.h>
+#include <linux/module.h>
#include <linux/mmc/host.h>
#include "sdhci-pltfm.h"
diff --git a/drivers/mtd/devices/block2mtd.c b/drivers/mtd/devices/block2mtd.c
index e7e46d1..17f5517 100644
--- a/drivers/mtd/devices/block2mtd.c
+++ b/drivers/mtd/devices/block2mtd.c
@@ -283,6 +283,7 @@ static struct block2mtd_dev *add_device(char *devname, int erase_size)
dev->mtd.size = dev->blkdev->bd_inode->i_size & PAGE_MASK;
dev->mtd.erasesize = erase_size;
dev->mtd.writesize = 1;
+ dev->mtd.writebufsize = PAGE_SIZE;
dev->mtd.type = MTD_RAM;
dev->mtd.flags = MTD_CAP_RAM;
dev->mtd.erase = block2mtd_erase;
diff --git a/drivers/mtd/devices/doc2000.c b/drivers/mtd/devices/doc2000.c
index b1cdf64..87a431c 100644
--- a/drivers/mtd/devices/doc2000.c
+++ b/drivers/mtd/devices/doc2000.c
@@ -562,7 +562,7 @@ void DoC2k_init(struct mtd_info *mtd)
mtd->type = MTD_NANDFLASH;
mtd->flags = MTD_CAP_NANDFLASH;
- mtd->writesize = 512;
+ mtd->writebufsize = mtd->writesize = 512;
mtd->oobsize = 16;
mtd->owner = THIS_MODULE;
mtd->erase = doc_erase;
diff --git a/drivers/mtd/devices/doc2001.c b/drivers/mtd/devices/doc2001.c
index 7543b98..9eacf67 100644
--- a/drivers/mtd/devices/doc2001.c
+++ b/drivers/mtd/devices/doc2001.c
@@ -346,7 +346,7 @@ void DoCMil_init(struct mtd_info *mtd)
/* FIXME: erase size is not always 8KiB */
mtd->erasesize = 0x2000;
- mtd->writesize = 512;
+ mtd->writebufsize = mtd->writesize = 512;
mtd->oobsize = 16;
mtd->owner = THIS_MODULE;
mtd->erase = doc_erase;
diff --git a/drivers/mtd/devices/doc2001plus.c b/drivers/mtd/devices/doc2001plus.c
index 177510d..69fb598 100644
--- a/drivers/mtd/devices/doc2001plus.c
+++ b/drivers/mtd/devices/doc2001plus.c
@@ -467,7 +467,7 @@ void DoCMilPlus_init(struct mtd_info *mtd)
mtd->type = MTD_NANDFLASH;
mtd->flags = MTD_CAP_NANDFLASH;
- mtd->writesize = 512;
+ mtd->writebufsize = mtd->writesize = 512;
mtd->oobsize = 16;
mtd->owner = THIS_MODULE;
mtd->erase = doc_erase;
diff --git a/drivers/mtd/devices/docg3.c b/drivers/mtd/devices/docg3.c
index ad11ef0a..690198f 100644
--- a/drivers/mtd/devices/docg3.c
+++ b/drivers/mtd/devices/docg3.c
@@ -1817,7 +1817,7 @@ static void __init doc_set_driver_info(int chip_id, struct mtd_info *mtd)
mtd->erasesize = DOC_LAYOUT_BLOCK_SIZE * DOC_LAYOUT_NBPLANES;
if (docg3->reliable == 2)
mtd->erasesize /= 2;
- mtd->writesize = DOC_LAYOUT_PAGE_SIZE;
+ mtd->writebufsize = mtd->writesize = DOC_LAYOUT_PAGE_SIZE;
mtd->oobsize = DOC_LAYOUT_OOB_SIZE;
mtd->owner = THIS_MODULE;
mtd->erase = doc_erase;
diff --git a/drivers/mtd/devices/lart.c b/drivers/mtd/devices/lart.c
index 3a11ea6..5f12668 100644
--- a/drivers/mtd/devices/lart.c
+++ b/drivers/mtd/devices/lart.c
@@ -630,6 +630,7 @@ static int __init lart_flash_init (void)
mtd.name = module_name;
mtd.type = MTD_NORFLASH;
mtd.writesize = 1;
+ mtd.writebufsize = 4;
mtd.flags = MTD_CAP_NORFLASH;
mtd.size = FLASH_BLOCKSIZE_PARAM * FLASH_NUMBLOCKS_16m_PARAM + FLASH_BLOCKSIZE_MAIN * FLASH_NUMBLOCKS_16m_MAIN;
mtd.erasesize = FLASH_BLOCKSIZE_MAIN;
diff --git a/drivers/mtd/devices/m25p80.c b/drivers/mtd/devices/m25p80.c
index 7c60ddd..94eef7d 100644
--- a/drivers/mtd/devices/m25p80.c
+++ b/drivers/mtd/devices/m25p80.c
@@ -932,6 +932,7 @@ static int __devinit m25p_probe(struct spi_device *spi)
ppdata.of_node = spi->dev.of_node;
flash->mtd.dev.parent = &spi->dev;
flash->page_size = info->page_size;
+ flash->mtd.writebufsize = flash->page_size;
if (info->addr_width)
flash->addr_width = info->addr_width;
diff --git a/drivers/mtd/devices/sst25l.c b/drivers/mtd/devices/sst25l.c
index 5fc1983..aa10d08 100644
--- a/drivers/mtd/devices/sst25l.c
+++ b/drivers/mtd/devices/sst25l.c
@@ -402,6 +402,7 @@ static int __devinit sst25l_probe(struct spi_device *spi)
flash->mtd.flags = MTD_CAP_NORFLASH;
flash->mtd.erasesize = flash_info->erase_size;
flash->mtd.writesize = flash_info->page_size;
+ flash->mtd.writebufsize = flash_info->page_size;
flash->mtd.size = flash_info->page_size * flash_info->nr_pages;
flash->mtd.erase = sst25l_erase;
flash->mtd.read = sst25l_read;
diff --git a/drivers/mtd/maps/ixp4xx.c b/drivers/mtd/maps/ixp4xx.c
index 8b54101..e864fc6 100644
--- a/drivers/mtd/maps/ixp4xx.c
+++ b/drivers/mtd/maps/ixp4xx.c
@@ -182,6 +182,9 @@ static int ixp4xx_flash_probe(struct platform_device *dev)
{
struct flash_platform_data *plat = dev->dev.platform_data;
struct ixp4xx_flash_info *info;
+ struct mtd_part_parser_data ppdata = {
+ .origin = dev->resource->start,
+ };
int err = -1;
if (!plat)
@@ -247,7 +250,7 @@ static int ixp4xx_flash_probe(struct platform_device *dev)
/* Use the fast version */
info->map.write = ixp4xx_write16;
- err = mtd_device_parse_register(info->mtd, probes, dev->resource->start,
+ err = mtd_device_parse_register(info->mtd, probes, &ppdata,
plat->parts, plat->nr_parts);
if (err) {
printk(KERN_ERR "Could not parse partitions\n");
diff --git a/drivers/mtd/maps/lantiq-flash.c b/drivers/mtd/maps/lantiq-flash.c
index 7b889de..cf7a3cd 100644
--- a/drivers/mtd/maps/lantiq-flash.c
+++ b/drivers/mtd/maps/lantiq-flash.c
@@ -45,6 +45,7 @@ struct ltq_mtd {
};
static char ltq_map_name[] = "ltq_nor";
+static const char *ltq_probe_types[] __devinitconst = { "cmdlinepart", NULL };
static map_word
ltq_read16(struct map_info *map, unsigned long adr)
@@ -168,7 +169,7 @@ ltq_mtd_probe(struct platform_device *pdev)
cfi->addr_unlock1 ^= 1;
cfi->addr_unlock2 ^= 1;
- err = mtd_device_parse_register(ltq_mtd->mtd, NULL, 0,
+ err = mtd_device_parse_register(ltq_mtd->mtd, ltq_probe_types, 0,
ltq_mtd_data->parts, ltq_mtd_data->nr_parts);
if (err) {
dev_err(&pdev->dev, "failed to add partitions\n");
diff --git a/drivers/mtd/nand/gpmi-nand/gpmi-nand.c b/drivers/mtd/nand/gpmi-nand/gpmi-nand.c
index 493ec2f..f39f83e 100644
--- a/drivers/mtd/nand/gpmi-nand/gpmi-nand.c
+++ b/drivers/mtd/nand/gpmi-nand/gpmi-nand.c
@@ -1124,7 +1124,7 @@ static int gpmi_block_markbad(struct mtd_info *mtd, loff_t ofs)
chip->bbt[block >> 2] |= 0x01 << ((block & 0x03) << 1);
/* Do we have a flash based bad block table ? */
- if (chip->options & NAND_BBT_USE_FLASH)
+ if (chip->bbt_options & NAND_BBT_USE_FLASH)
ret = nand_update_bbt(mtd, ofs);
else {
chipnr = (int)(ofs >> chip->chip_shift);
diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c
index 35c2a20..83047783 100644
--- a/drivers/net/ethernet/broadcom/tg3.c
+++ b/drivers/net/ethernet/broadcom/tg3.c
@@ -2771,7 +2771,9 @@ static void tg3_power_down_phy(struct tg3 *tp, bool do_low_power)
if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 ||
(GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780 &&
- (tp->phy_flags & TG3_PHYFLG_MII_SERDES)))
+ (tp->phy_flags & TG3_PHYFLG_MII_SERDES)) ||
+ (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 &&
+ !tp->pci_fn))
return;
if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5784_AX ||
diff --git a/drivers/net/ethernet/freescale/fsl_pq_mdio.c b/drivers/net/ethernet/freescale/fsl_pq_mdio.c
index 9eb8159..f7f0bf5 100644
--- a/drivers/net/ethernet/freescale/fsl_pq_mdio.c
+++ b/drivers/net/ethernet/freescale/fsl_pq_mdio.c
@@ -356,13 +356,13 @@ static int fsl_pq_mdio_probe(struct platform_device *ofdev)
if (prop)
tbiaddr = *prop;
- }
- if (tbiaddr == -1) {
- err = -EBUSY;
- goto err_free_irqs;
- } else {
- out_be32(tbipa, tbiaddr);
+ if (tbiaddr == -1) {
+ err = -EBUSY;
+ goto err_free_irqs;
+ } else {
+ out_be32(tbipa, tbiaddr);
+ }
}
err = of_mdiobus_register(new_bus, np);
diff --git a/drivers/net/ethernet/marvell/sky2.c b/drivers/net/ethernet/marvell/sky2.c
index b4a208e..ec6136f 100644
--- a/drivers/net/ethernet/marvell/sky2.c
+++ b/drivers/net/ethernet/marvell/sky2.c
@@ -1767,13 +1767,14 @@ static int sky2_open(struct net_device *dev)
sky2_hw_up(sky2);
+ /* Enable interrupts from phy/mac for port */
+ imask = sky2_read32(hw, B0_IMSK);
+
if (hw->chip_id == CHIP_ID_YUKON_OPT ||
hw->chip_id == CHIP_ID_YUKON_PRM ||
hw->chip_id == CHIP_ID_YUKON_OP_2)
imask |= Y2_IS_PHY_QLNK; /* enable PHY Quick Link */
- /* Enable interrupts from phy/mac for port */
- imask = sky2_read32(hw, B0_IMSK);
imask |= portirq_msk[port];
sky2_write32(hw, B0_IMSK, imask);
sky2_read32(hw, B0_IMSK);
diff --git a/drivers/net/ethernet/via/via-rhine.c b/drivers/net/ethernet/via/via-rhine.c
index 10b18eb..6764d0d 100644
--- a/drivers/net/ethernet/via/via-rhine.c
+++ b/drivers/net/ethernet/via/via-rhine.c
@@ -503,30 +503,32 @@ static int rhine_vlan_rx_add_vid(struct net_device *dev, unsigned short vid);
static int rhine_vlan_rx_kill_vid(struct net_device *dev, unsigned short vid);
static void rhine_restart_tx(struct net_device *dev);
-static void rhine_wait_bit(struct rhine_private *rp, u8 reg, u8 mask, bool high)
+static void rhine_wait_bit(struct rhine_private *rp, u8 reg, u8 mask, bool low)
{
void __iomem *ioaddr = rp->base;
int i;
for (i = 0; i < 1024; i++) {
- if (high ^ !!(ioread8(ioaddr + reg) & mask))
+ bool has_mask_bits = !!(ioread8(ioaddr + reg) & mask);
+
+ if (low ^ has_mask_bits)
break;
udelay(10);
}
if (i > 64) {
netif_dbg(rp, hw, rp->dev, "%s bit wait (%02x/%02x) cycle "
- "count: %04d\n", high ? "high" : "low", reg, mask, i);
+ "count: %04d\n", low ? "low" : "high", reg, mask, i);
}
}
static void rhine_wait_bit_high(struct rhine_private *rp, u8 reg, u8 mask)
{
- rhine_wait_bit(rp, reg, mask, true);
+ rhine_wait_bit(rp, reg, mask, false);
}
static void rhine_wait_bit_low(struct rhine_private *rp, u8 reg, u8 mask)
{
- rhine_wait_bit(rp, reg, mask, false);
+ rhine_wait_bit(rp, reg, mask, true);
}
static u32 rhine_get_events(struct rhine_private *rp)
diff --git a/drivers/net/usb/cdc_eem.c b/drivers/net/usb/cdc_eem.c
index 439690b..685a4e2 100644
--- a/drivers/net/usb/cdc_eem.c
+++ b/drivers/net/usb/cdc_eem.c
@@ -93,6 +93,7 @@ static int eem_bind(struct usbnet *dev, struct usb_interface *intf)
/* no jumbogram (16K) support for now */
dev->net->hard_header_len += EEM_HEAD + ETH_FCS_LEN;
+ dev->hard_mtu = dev->net->mtu + dev->net->hard_header_len;
return 0;
}
diff --git a/drivers/net/usb/zaurus.c b/drivers/net/usb/zaurus.c
index c3197ce..34db195 100644
--- a/drivers/net/usb/zaurus.c
+++ b/drivers/net/usb/zaurus.c
@@ -337,6 +337,11 @@ static const struct usb_device_id products [] = {
.driver_info = ZAURUS_PXA_INFO,
},
{
+ /* Motorola Rokr E6 */
+ USB_DEVICE_AND_INTERFACE_INFO(0x22b8, 0x6027, USB_CLASS_COMM,
+ USB_CDC_SUBCLASS_MDLM, USB_CDC_PROTO_NONE),
+ .driver_info = (unsigned long) &bogus_mdlm_info,
+}, {
/* Motorola MOTOMAGX phones */
USB_DEVICE_AND_INTERFACE_INFO(0x22b8, 0x6425, USB_CLASS_COMM,
USB_CDC_SUBCLASS_MDLM, USB_CDC_PROTO_NONE),
diff --git a/drivers/net/wireless/ath/ath9k/calib.c b/drivers/net/wireless/ath/ath9k/calib.c
index 2f4b48e..e5cceb0 100644
--- a/drivers/net/wireless/ath/ath9k/calib.c
+++ b/drivers/net/wireless/ath/ath9k/calib.c
@@ -20,7 +20,6 @@
/* Common calibration code */
-#define ATH9K_NF_TOO_HIGH -60
static int16_t ath9k_hw_get_nf_hist_mid(int16_t *nfCalBuffer)
{
@@ -346,10 +345,10 @@ static void ath9k_hw_nf_sanitize(struct ath_hw *ah, s16 *nf)
"NF calibrated [%s] [chain %d] is %d\n",
(i >= 3 ? "ext" : "ctl"), i % 3, nf[i]);
- if (nf[i] > ATH9K_NF_TOO_HIGH) {
+ if (nf[i] > limit->max) {
ath_dbg(common, CALIBRATE,
"NF[%d] (%d) > MAX (%d), correcting to MAX\n",
- i, nf[i], ATH9K_NF_TOO_HIGH);
+ i, nf[i], limit->max);
nf[i] = limit->max;
} else if (nf[i] < limit->min) {
ath_dbg(common, CALIBRATE,
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index a09abc2..4a00806 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -118,15 +118,13 @@ void ath9k_ps_restore(struct ath_softc *sc)
if (--sc->ps_usecount != 0)
goto unlock;
- if (sc->ps_flags & PS_WAIT_FOR_TX_ACK)
- goto unlock;
-
- if (sc->ps_idle)
+ if (sc->ps_idle && (sc->ps_flags & PS_WAIT_FOR_TX_ACK))
mode = ATH9K_PM_FULL_SLEEP;
else if (sc->ps_enabled &&
!(sc->ps_flags & (PS_WAIT_FOR_BEACON |
PS_WAIT_FOR_CAB |
- PS_WAIT_FOR_PSPOLL_DATA)))
+ PS_WAIT_FOR_PSPOLL_DATA |
+ PS_WAIT_FOR_TX_ACK)))
mode = ATH9K_PM_NETWORK_SLEEP;
else
goto unlock;
diff --git a/drivers/net/wireless/iwlegacy/3945-mac.c b/drivers/net/wireless/iwlegacy/3945-mac.c
index a7dfba8..a2ec369 100644
--- a/drivers/net/wireless/iwlegacy/3945-mac.c
+++ b/drivers/net/wireless/iwlegacy/3945-mac.c
@@ -2684,7 +2684,6 @@ il3945_bg_restart(struct work_struct *data)
if (test_and_clear_bit(S_FW_ERROR, &il->status)) {
mutex_lock(&il->mutex);
- il->ctx.vif = NULL;
il->is_open = 0;
mutex_unlock(&il->mutex);
il3945_down(il);
diff --git a/drivers/net/wireless/iwlegacy/4965-mac.c b/drivers/net/wireless/iwlegacy/4965-mac.c
index 1667232..b00712c 100644
--- a/drivers/net/wireless/iwlegacy/4965-mac.c
+++ b/drivers/net/wireless/iwlegacy/4965-mac.c
@@ -5381,7 +5381,6 @@ il4965_bg_restart(struct work_struct *data)
if (test_and_clear_bit(S_FW_ERROR, &il->status)) {
mutex_lock(&il->mutex);
- il->ctx.vif = NULL;
il->is_open = 0;
__il4965_down(il);
diff --git a/drivers/net/wireless/iwlegacy/common.c b/drivers/net/wireless/iwlegacy/common.c
index 36454d0..a608bc7 100644
--- a/drivers/net/wireless/iwlegacy/common.c
+++ b/drivers/net/wireless/iwlegacy/common.c
@@ -4575,6 +4575,7 @@ il_mac_add_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
struct il_priv *il = hw->priv;
struct il_vif_priv *vif_priv = (void *)vif->drv_priv;
int err;
+ bool reset;
u32 modes;
D_MAC80211("enter: type %d, addr %pM\n", vif->type, vif->addr);
@@ -4594,6 +4595,16 @@ il_mac_add_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
goto out;
}
+ /*
+ * We do not support multiple virtual interfaces, but on hardware reset
+ * we have to add the same interface again.
+ */
+ reset = (il->ctx.vif == vif);
+ if (il->ctx.vif && !reset) {
+ err = -EOPNOTSUPP;
+ goto out;
+ }
+
modes = il->ctx.interface_modes | il->ctx.exclusive_interface_modes;
if (!(modes & BIT(vif->type))) {
err = -EOPNOTSUPP;
@@ -4605,8 +4616,11 @@ il_mac_add_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
err = il_setup_interface(il, &il->ctx);
if (err) {
- il->ctx.vif = NULL;
- il->iw_mode = NL80211_IFTYPE_STATION;
+ IL_WARN("Fail to set mode %d\n", vif->type);
+ if (!reset) {
+ il->ctx.vif = NULL;
+ il->iw_mode = NL80211_IFTYPE_STATION;
+ }
}
out:
diff --git a/drivers/net/wireless/rtlwifi/rtl8192c/phy_common.c b/drivers/net/wireless/rtlwifi/rtl8192c/phy_common.c
index 1f07558..f20678a 100644
--- a/drivers/net/wireless/rtlwifi/rtl8192c/phy_common.c
+++ b/drivers/net/wireless/rtlwifi/rtl8192c/phy_common.c
@@ -1968,7 +1968,7 @@ void rtl92c_phy_set_io(struct ieee80211_hw *hw)
break;
case IO_CMD_PAUSE_DM_BY_SCAN:
rtlphy->initgain_backup.xaagccore1 = dm_digtable.cur_igvalue;
- dm_digtable.cur_igvalue = 0x17;
+ dm_digtable.cur_igvalue = 0x37;
rtl92c_dm_write_dig(hw);
break;
default:
diff --git a/drivers/net/wireless/rtlwifi/rtl8192de/phy.c b/drivers/net/wireless/rtlwifi/rtl8192de/phy.c
index 0883349..2cf4c5f 100644
--- a/drivers/net/wireless/rtlwifi/rtl8192de/phy.c
+++ b/drivers/net/wireless/rtlwifi/rtl8192de/phy.c
@@ -3192,7 +3192,7 @@ static void rtl92d_phy_set_io(struct ieee80211_hw *hw)
break;
case IO_CMD_PAUSE_DM_BY_SCAN:
rtlphy->initgain_backup.xaagccore1 = de_digtable.cur_igvalue;
- de_digtable.cur_igvalue = 0x17;
+ de_digtable.cur_igvalue = 0x37;
rtl92d_dm_write_dig(hw);
break;
default:
diff --git a/drivers/platform/x86/acer-wmi.c b/drivers/platform/x86/acer-wmi.c
index 1e5290b..110e4af 100644
--- a/drivers/platform/x86/acer-wmi.c
+++ b/drivers/platform/x86/acer-wmi.c
@@ -692,6 +692,7 @@ static const struct acpi_device_id norfkill_ids[] = {
{ "VPC2004", 0},
{ "IBM0068", 0},
{ "LEN0068", 0},
+ { "SNY5001", 0}, /* sony-laptop in charge */
{ "", 0},
};
diff --git a/drivers/pnp/pnpacpi/core.c b/drivers/pnp/pnpacpi/core.c
index b00c176..d21e8f5 100644
--- a/drivers/pnp/pnpacpi/core.c
+++ b/drivers/pnp/pnpacpi/core.c
@@ -321,9 +321,14 @@ static int __init acpi_pnp_match(struct device *dev, void *_pnp)
{
struct acpi_device *acpi = to_acpi_device(dev);
struct pnp_dev *pnp = _pnp;
+ struct device *physical_device;
+
+ physical_device = acpi_get_physical_device(acpi->handle);
+ if (physical_device)
+ put_device(physical_device);
/* true means it matched */
- return !acpi_get_physical_device(acpi->handle)
+ return !physical_device
&& compare_pnp_id(pnp->id, acpi_device_hid(acpi));
}
diff --git a/drivers/staging/android/lowmemorykiller.c b/drivers/staging/android/lowmemorykiller.c
index 5cd2309..4c26bcd 100644
--- a/drivers/staging/android/lowmemorykiller.c
+++ b/drivers/staging/android/lowmemorykiller.c
@@ -53,7 +53,6 @@ static size_t lowmem_minfree[6] = {
};
static int lowmem_minfree_size = 4;
-static struct task_struct *lowmem_deathpending;
static unsigned long lowmem_deathpending_timeout;
#define lowmem_print(level, x...) \
@@ -62,24 +61,6 @@ static unsigned long lowmem_deathpending_timeout;
printk(x); \
} while (0)
-static int
-task_notify_func(struct notifier_block *self, unsigned long val, void *data);
-
-static struct notifier_block task_nb = {
- .notifier_call = task_notify_func,
-};
-
-static int
-task_notify_func(struct notifier_block *self, unsigned long val, void *data)
-{
- struct task_struct *task = data;
-
- if (task == lowmem_deathpending)
- lowmem_deathpending = NULL;
-
- return NOTIFY_OK;
-}
-
static int lowmem_shrink(struct shrinker *s, struct shrink_control *sc)
{
struct task_struct *p;
@@ -95,19 +76,6 @@ static int lowmem_shrink(struct shrinker *s, struct shrink_control *sc)
int other_file = global_page_state(NR_FILE_PAGES) -
global_page_state(NR_SHMEM);
- /*
- * If we already have a death outstanding, then
- * bail out right away; indicating to vmscan
- * that we have nothing further to offer on
- * this pass.
- *
- * Note: Currently you need CONFIG_PROFILING
- * for this to work correctly.
- */
- if (lowmem_deathpending &&
- time_before_eq(jiffies, lowmem_deathpending_timeout))
- return 0;
-
if (lowmem_adj_size < array_size)
array_size = lowmem_adj_size;
if (lowmem_minfree_size < array_size)
@@ -140,6 +108,11 @@ static int lowmem_shrink(struct shrinker *s, struct shrink_control *sc)
struct signal_struct *sig;
int oom_adj;
+ if (test_tsk_thread_flag(p, TIF_MEMDIE) &&
+ time_before_eq(jiffies, lowmem_deathpending_timeout)) {
+ read_unlock(&tasklist_lock);
+ return 0;
+ }
task_lock(p);
mm = p->mm;
sig = p->signal;
@@ -173,15 +146,9 @@ static int lowmem_shrink(struct shrinker *s, struct shrink_control *sc)
lowmem_print(1, "send sigkill to %d (%s), adj %d, size %d\n",
selected->pid, selected->comm,
selected_oom_adj, selected_tasksize);
- /*
- * If CONFIG_PROFILING is off, then we don't want to stall
- * the killer by setting lowmem_deathpending.
- */
-#ifdef CONFIG_PROFILING
- lowmem_deathpending = selected;
lowmem_deathpending_timeout = jiffies + HZ;
-#endif
force_sig(SIGKILL, selected);
+ set_tsk_thread_flag(selected, TIF_MEMDIE);
rem -= selected_tasksize;
}
lowmem_print(4, "lowmem_shrink %lu, %x, return %d\n",
@@ -197,7 +164,6 @@ static struct shrinker lowmem_shrinker = {
static int __init lowmem_init(void)
{
- task_handoff_register(&task_nb);
register_shrinker(&lowmem_shrinker);
return 0;
}
@@ -205,7 +171,6 @@ static int __init lowmem_init(void)
static void __exit lowmem_exit(void)
{
unregister_shrinker(&lowmem_shrinker);
- task_handoff_unregister(&task_nb);
}
module_param_named(cost, lowmem_shrinker.seeks, int, S_IRUGO | S_IWUSR);
diff --git a/drivers/target/tcm_fc/tcm_fc.h b/drivers/target/tcm_fc/tcm_fc.h
index e05c551..be7ed12 100644
--- a/drivers/target/tcm_fc/tcm_fc.h
+++ b/drivers/target/tcm_fc/tcm_fc.h
@@ -124,6 +124,7 @@ struct ft_cmd {
/* Local sense buffer */
unsigned char ft_sense_buffer[TRANSPORT_SENSE_BUFFER];
u32 was_ddp_setup:1; /* Set only if ddp is setup */
+ u32 aborted:1; /* Set if aborted by reset or timeout */
struct scatterlist *sg; /* Set only if DDP is setup */
u32 sg_cnt; /* No. of item in scatterlist */
};
diff --git a/drivers/target/tcm_fc/tfc_cmd.c b/drivers/target/tcm_fc/tfc_cmd.c
index ced9e8a..fd10f72 100644
--- a/drivers/target/tcm_fc/tfc_cmd.c
+++ b/drivers/target/tcm_fc/tfc_cmd.c
@@ -126,6 +126,8 @@ int ft_queue_status(struct se_cmd *se_cmd)
struct fc_exch *ep;
size_t len;
+ if (cmd->aborted)
+ return 0;
ft_dump_cmd(cmd, __func__);
ep = fc_seq_exch(cmd->seq);
lport = ep->lp;
@@ -192,6 +194,8 @@ int ft_write_pending(struct se_cmd *se_cmd)
ft_dump_cmd(cmd, __func__);
+ if (cmd->aborted)
+ return 0;
ep = fc_seq_exch(cmd->seq);
lport = ep->lp;
fp = fc_frame_alloc(lport, sizeof(*txrdy));
@@ -262,10 +266,10 @@ static void ft_recv_seq(struct fc_seq *sp, struct fc_frame *fp, void *arg)
struct ft_cmd *cmd = arg;
struct fc_frame_header *fh;
- if (IS_ERR(fp)) {
+ if (unlikely(IS_ERR(fp))) {
/* XXX need to find cmd if queued */
cmd->seq = NULL;
- transport_generic_free_cmd(&cmd->se_cmd, 0);
+ cmd->aborted = true;
return;
}
@@ -447,6 +451,8 @@ int ft_queue_tm_resp(struct se_cmd *se_cmd)
struct se_tmr_req *tmr = se_cmd->se_tmr_req;
enum fcp_resp_rsp_codes code;
+ if (cmd->aborted)
+ return 0;
switch (tmr->response) {
case TMR_FUNCTION_COMPLETE:
code = FCP_TMF_CMPL;
diff --git a/drivers/target/tcm_fc/tfc_conf.c b/drivers/target/tcm_fc/tfc_conf.c
index 73852fb..0a92795 100644
--- a/drivers/target/tcm_fc/tfc_conf.c
+++ b/drivers/target/tcm_fc/tfc_conf.c
@@ -300,6 +300,7 @@ static struct se_portal_group *ft_add_tpg(
{
struct ft_lport_acl *lacl;
struct ft_tpg *tpg;
+ struct workqueue_struct *wq;
unsigned long index;
int ret;
@@ -321,18 +322,20 @@ static struct se_portal_group *ft_add_tpg(
tpg->lport_acl = lacl;
INIT_LIST_HEAD(&tpg->lun_list);
- ret = core_tpg_register(&ft_configfs->tf_ops, wwn, &tpg->se_tpg,
- tpg, TRANSPORT_TPG_TYPE_NORMAL);
- if (ret < 0) {
+ wq = alloc_workqueue("tcm_fc", 0, 1);
+ if (!wq) {
kfree(tpg);
return NULL;
}
- tpg->workqueue = alloc_workqueue("tcm_fc", 0, 1);
- if (!tpg->workqueue) {
+ ret = core_tpg_register(&ft_configfs->tf_ops, wwn, &tpg->se_tpg,
+ tpg, TRANSPORT_TPG_TYPE_NORMAL);
+ if (ret < 0) {
+ destroy_workqueue(wq);
kfree(tpg);
return NULL;
}
+ tpg->workqueue = wq;
mutex_lock(&ft_lport_lock);
list_add_tail(&tpg->list, &lacl->tpg_list);
diff --git a/drivers/target/tcm_fc/tfc_io.c b/drivers/target/tcm_fc/tfc_io.c
index d8cabc2..7b34f9b 100644
--- a/drivers/target/tcm_fc/tfc_io.c
+++ b/drivers/target/tcm_fc/tfc_io.c
@@ -81,6 +81,8 @@ int ft_queue_data_in(struct se_cmd *se_cmd)
void *from;
void *to = NULL;
+ if (cmd->aborted)
+ return 0;
ep = fc_seq_exch(cmd->seq);
lport = ep->lp;
cmd->seq = lport->tt.seq_start_next(cmd->seq);
diff --git a/drivers/usb/host/ohci-at91.c b/drivers/usb/host/ohci-at91.c
index 77afabc..70b96ec 100644
--- a/drivers/usb/host/ohci-at91.c
+++ b/drivers/usb/host/ohci-at91.c
@@ -245,7 +245,7 @@ static void ohci_at91_usb_set_power(struct at91_usbh_data *pdata, int port, int
return;
gpio_set_value(pdata->vbus_pin[port],
- !pdata->vbus_pin_active_low[port] ^ enable);
+ pdata->vbus_pin_active_low[port] ^ enable);
}
static int ohci_at91_usb_get_power(struct at91_usbh_data *pdata, int port)
@@ -257,7 +257,7 @@ static int ohci_at91_usb_get_power(struct at91_usbh_data *pdata, int port)
return -EINVAL;
return gpio_get_value(pdata->vbus_pin[port]) ^
- !pdata->vbus_pin_active_low[port];
+ pdata->vbus_pin_active_low[port];
}
/*
diff --git a/fs/cifs/file.c b/fs/cifs/file.c
index 159fcc5..0f7dc22 100644
--- a/fs/cifs/file.c
+++ b/fs/cifs/file.c
@@ -835,13 +835,21 @@ cifs_posix_lock_set(struct file *file, struct file_lock *flock)
if ((flock->fl_flags & FL_POSIX) == 0)
return rc;
+try_again:
mutex_lock(&cinode->lock_mutex);
if (!cinode->can_cache_brlcks) {
mutex_unlock(&cinode->lock_mutex);
return rc;
}
- rc = posix_lock_file_wait(file, flock);
+
+ rc = posix_lock_file(file, flock, NULL);
mutex_unlock(&cinode->lock_mutex);
+ if (rc == FILE_LOCK_DEFERRED) {
+ rc = wait_event_interruptible(flock->fl_wait, !flock->fl_next);
+ if (!rc)
+ goto try_again;
+ locks_delete_block(flock);
+ }
return rc;
}
diff --git a/fs/locks.c b/fs/locks.c
index 637694b..0d68f1f 100644
--- a/fs/locks.c
+++ b/fs/locks.c
@@ -510,12 +510,13 @@ static void __locks_delete_block(struct file_lock *waiter)
/*
*/
-static void locks_delete_block(struct file_lock *waiter)
+void locks_delete_block(struct file_lock *waiter)
{
lock_flocks();
__locks_delete_block(waiter);
unlock_flocks();
}
+EXPORT_SYMBOL(locks_delete_block);
/* Insert waiter into blocker's block list.
* We use a circular list so that processes can be easily woken up in
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index 0cb7163..9a54c9e 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -3625,7 +3625,7 @@ static ssize_t __nfs4_get_acl_uncached(struct inode *inode, void *buf, size_t bu
if (acl_len > buflen)
goto out_free;
_copy_from_pages(buf, pages, res.acl_data_offset,
- res.acl_len);
+ acl_len);
}
ret = acl_len;
out_free:
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 69cd5bb..f4b6e06 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -1210,6 +1210,7 @@ extern int vfs_setlease(struct file *, long, struct file_lock **);
extern int lease_modify(struct file_lock **, int);
extern int lock_may_read(struct inode *, loff_t start, unsigned long count);
extern int lock_may_write(struct inode *, loff_t start, unsigned long count);
+extern void locks_delete_block(struct file_lock *waiter);
extern void lock_flocks(void);
extern void unlock_flocks(void);
#else /* !CONFIG_FILE_LOCKING */
@@ -1354,6 +1355,10 @@ static inline int lock_may_write(struct inode *inode, loff_t start,
return 1;
}
+static inline void locks_delete_block(struct file_lock *waiter)
+{
+}
+
static inline void lock_flocks(void)
{
}
diff --git a/include/linux/kernel.h b/include/linux/kernel.h
index e834342..d801acb 100644
--- a/include/linux/kernel.h
+++ b/include/linux/kernel.h
@@ -85,6 +85,19 @@
} \
)
+/*
+ * Multiplies an integer by a fraction, while avoiding unnecessary
+ * overflow or loss of precision.
+ */
+#define mult_frac(x, numer, denom)( \
+{ \
+ typeof(x) quot = (x) / (denom); \
+ typeof(x) rem = (x) % (denom); \
+ (quot * (numer)) + ((rem * (numer)) / (denom)); \
+} \
+)
+
+
#define _RET_IP_ (unsigned long)__builtin_return_address(0)
#define _THIS_IP_ ({ __label__ __here; __here: (unsigned long)&&__here; })
diff --git a/include/linux/kgdb.h b/include/linux/kgdb.h
index fa39183..c4d2fc1 100644
--- a/include/linux/kgdb.h
+++ b/include/linux/kgdb.h
@@ -63,7 +63,8 @@ enum kgdb_bptype {
BP_HARDWARE_BREAKPOINT,
BP_WRITE_WATCHPOINT,
BP_READ_WATCHPOINT,
- BP_ACCESS_WATCHPOINT
+ BP_ACCESS_WATCHPOINT,
+ BP_POKE_BREAKPOINT,
};
enum kgdb_bpstate {
@@ -207,8 +208,8 @@ extern void kgdb_arch_set_pc(struct pt_regs *regs, unsigned long pc);
/* Optional functions. */
extern int kgdb_validate_break_address(unsigned long addr);
-extern int kgdb_arch_set_breakpoint(unsigned long addr, char *saved_instr);
-extern int kgdb_arch_remove_breakpoint(unsigned long addr, char *bundle);
+extern int kgdb_arch_set_breakpoint(struct kgdb_bkpt *bpt);
+extern int kgdb_arch_remove_breakpoint(struct kgdb_bkpt *bpt);
/**
* kgdb_arch_late - Perform any architecture specific initalization.
diff --git a/include/linux/kmod.h b/include/linux/kmod.h
index 722f477..0fb48ef 100644
--- a/include/linux/kmod.h
+++ b/include/linux/kmod.h
@@ -112,12 +112,29 @@ call_usermodehelper(char *path, char **argv, char **envp, enum umh_wait wait)
extern struct ctl_table usermodehelper_table[];
+enum umh_disable_depth {
+ UMH_ENABLED = 0,
+ UMH_FREEZING,
+ UMH_DISABLED,
+};
+
extern void usermodehelper_init(void);
-extern int usermodehelper_disable(void);
-extern void usermodehelper_enable(void);
-extern bool usermodehelper_is_disabled(void);
-extern void read_lock_usermodehelper(void);
-extern void read_unlock_usermodehelper(void);
+extern int __usermodehelper_disable(enum umh_disable_depth depth);
+extern void __usermodehelper_set_disable_depth(enum umh_disable_depth depth);
+
+static inline int usermodehelper_disable(void)
+{
+ return __usermodehelper_disable(UMH_DISABLED);
+}
+
+static inline void usermodehelper_enable(void)
+{
+ __usermodehelper_set_disable_depth(UMH_ENABLED);
+}
+
+extern int usermodehelper_read_trylock(void);
+extern long usermodehelper_read_lock_wait(long timeout);
+extern void usermodehelper_read_unlock(void);
#endif /* __LINUX_KMOD_H__ */
diff --git a/kernel/cred.c b/kernel/cred.c
index 5791612..48c6fd3 100644
--- a/kernel/cred.c
+++ b/kernel/cred.c
@@ -385,6 +385,8 @@ int copy_creds(struct task_struct *p, unsigned long clone_flags)
struct cred *new;
int ret;
+ p->replacement_session_keyring = NULL;
+
if (
#ifdef CONFIG_KEYS
!p->cred->thread_keyring &&
diff --git a/kernel/debug/debug_core.c b/kernel/debug/debug_core.c
index 0d7c087..7fda904 100644
--- a/kernel/debug/debug_core.c
+++ b/kernel/debug/debug_core.c
@@ -157,37 +157,39 @@ early_param("nokgdbroundup", opt_nokgdbroundup);
* Weak aliases for breakpoint management,
* can be overriden by architectures when needed:
*/
-int __weak kgdb_arch_set_breakpoint(unsigned long addr, char *saved_instr)
+int __weak kgdb_arch_set_breakpoint(struct kgdb_bkpt *bpt)
{
int err;
- err = probe_kernel_read(saved_instr, (char *)addr, BREAK_INSTR_SIZE);
+ err = probe_kernel_read(bpt->saved_instr, (char *)bpt->bpt_addr,
+ BREAK_INSTR_SIZE);
if (err)
return err;
-
- return probe_kernel_write((char *)addr, arch_kgdb_ops.gdb_bpt_instr,
- BREAK_INSTR_SIZE);
+ err = probe_kernel_write((char *)bpt->bpt_addr,
+ arch_kgdb_ops.gdb_bpt_instr, BREAK_INSTR_SIZE);
+ return err;
}
-int __weak kgdb_arch_remove_breakpoint(unsigned long addr, char *bundle)
+int __weak kgdb_arch_remove_breakpoint(struct kgdb_bkpt *bpt)
{
- return probe_kernel_write((char *)addr,
- (char *)bundle, BREAK_INSTR_SIZE);
+ return probe_kernel_write((char *)bpt->bpt_addr,
+ (char *)bpt->saved_instr, BREAK_INSTR_SIZE);
}
int __weak kgdb_validate_break_address(unsigned long addr)
{
- char tmp_variable[BREAK_INSTR_SIZE];
+ struct kgdb_bkpt tmp;
int err;
- /* Validate setting the breakpoint and then removing it. In the
+ /* Validate setting the breakpoint and then removing it. If the
* remove fails, the kernel needs to emit a bad message because we
* are deep trouble not being able to put things back the way we
* found them.
*/
- err = kgdb_arch_set_breakpoint(addr, tmp_variable);
+ tmp.bpt_addr = addr;
+ err = kgdb_arch_set_breakpoint(&tmp);
if (err)
return err;
- err = kgdb_arch_remove_breakpoint(addr, tmp_variable);
+ err = kgdb_arch_remove_breakpoint(&tmp);
if (err)
printk(KERN_ERR "KGDB: Critical breakpoint error, kernel "
"memory destroyed at: %lx", addr);
@@ -231,7 +233,6 @@ static void kgdb_flush_swbreak_addr(unsigned long addr)
*/
int dbg_activate_sw_breakpoints(void)
{
- unsigned long addr;
int error;
int ret = 0;
int i;
@@ -240,16 +241,15 @@ int dbg_activate_sw_breakpoints(void)
if (kgdb_break[i].state != BP_SET)
continue;
- addr = kgdb_break[i].bpt_addr;
- error = kgdb_arch_set_breakpoint(addr,
- kgdb_break[i].saved_instr);
+ error = kgdb_arch_set_breakpoint(&kgdb_break[i]);
if (error) {
ret = error;
- printk(KERN_INFO "KGDB: BP install failed: %lx", addr);
+ printk(KERN_INFO "KGDB: BP install failed: %lx",
+ kgdb_break[i].bpt_addr);
continue;
}
- kgdb_flush_swbreak_addr(addr);
+ kgdb_flush_swbreak_addr(kgdb_break[i].bpt_addr);
kgdb_break[i].state = BP_ACTIVE;
}
return ret;
@@ -298,7 +298,6 @@ int dbg_set_sw_break(unsigned long addr)
int dbg_deactivate_sw_breakpoints(void)
{
- unsigned long addr;
int error;
int ret = 0;
int i;
@@ -306,15 +305,14 @@ int dbg_deactivate_sw_breakpoints(void)
for (i = 0; i < KGDB_MAX_BREAKPOINTS; i++) {
if (kgdb_break[i].state != BP_ACTIVE)
continue;
- addr = kgdb_break[i].bpt_addr;
- error = kgdb_arch_remove_breakpoint(addr,
- kgdb_break[i].saved_instr);
+ error = kgdb_arch_remove_breakpoint(&kgdb_break[i]);
if (error) {
- printk(KERN_INFO "KGDB: BP remove failed: %lx\n", addr);
+ printk(KERN_INFO "KGDB: BP remove failed: %lx\n",
+ kgdb_break[i].bpt_addr);
ret = error;
}
- kgdb_flush_swbreak_addr(addr);
+ kgdb_flush_swbreak_addr(kgdb_break[i].bpt_addr);
kgdb_break[i].state = BP_SET;
}
return ret;
@@ -348,7 +346,6 @@ int kgdb_isremovedbreak(unsigned long addr)
int dbg_remove_all_break(void)
{
- unsigned long addr;
int error;
int i;
@@ -356,12 +353,10 @@ int dbg_remove_all_break(void)
for (i = 0; i < KGDB_MAX_BREAKPOINTS; i++) {
if (kgdb_break[i].state != BP_ACTIVE)
goto setundefined;
- addr = kgdb_break[i].bpt_addr;
- error = kgdb_arch_remove_breakpoint(addr,
- kgdb_break[i].saved_instr);
+ error = kgdb_arch_remove_breakpoint(&kgdb_break[i]);
if (error)
printk(KERN_ERR "KGDB: breakpoint remove failed: %lx\n",
- addr);
+ kgdb_break[i].bpt_addr);
setundefined:
kgdb_break[i].state = BP_UNDEFINED;
}
diff --git a/kernel/irq/migration.c b/kernel/irq/migration.c
index 4742090..c3c8975 100644
--- a/kernel/irq/migration.c
+++ b/kernel/irq/migration.c
@@ -43,12 +43,16 @@ void irq_move_masked_irq(struct irq_data *idata)
* masking the irqs.
*/
if (likely(cpumask_any_and(desc->pending_mask, cpu_online_mask)
- < nr_cpu_ids))
- if (!chip->irq_set_affinity(&desc->irq_data,
- desc->pending_mask, false)) {
+ < nr_cpu_ids)) {
+ int ret = chip->irq_set_affinity(&desc->irq_data,
+ desc->pending_mask, false);
+ switch (ret) {
+ case IRQ_SET_MASK_OK:
cpumask_copy(desc->irq_data.affinity, desc->pending_mask);
+ case IRQ_SET_MASK_OK_NOCOPY:
irq_set_thread_affinity(desc);
}
+ }
cpumask_clear(desc->pending_mask);
}
diff --git a/kernel/kmod.c b/kernel/kmod.c
index a0a8854..a3a46cb 100644
--- a/kernel/kmod.c
+++ b/kernel/kmod.c
@@ -279,7 +279,7 @@ static void __call_usermodehelper(struct work_struct *work)
* land has been frozen during a system-wide hibernation or suspend operation).
* Should always be manipulated under umhelper_sem acquired for write.
*/
-static int usermodehelper_disabled = 1;
+static enum umh_disable_depth usermodehelper_disabled = UMH_DISABLED;
/* Number of helpers running */
static atomic_t running_helpers = ATOMIC_INIT(0);
@@ -291,32 +291,110 @@ static atomic_t running_helpers = ATOMIC_INIT(0);
static DECLARE_WAIT_QUEUE_HEAD(running_helpers_waitq);
/*
+ * Used by usermodehelper_read_lock_wait() to wait for usermodehelper_disabled
+ * to become 'false'.
+ */
+static DECLARE_WAIT_QUEUE_HEAD(usermodehelper_disabled_waitq);
+
+/*
* Time to wait for running_helpers to become zero before the setting of
* usermodehelper_disabled in usermodehelper_disable() fails
*/
#define RUNNING_HELPERS_TIMEOUT (5 * HZ)
-void read_lock_usermodehelper(void)
+int usermodehelper_read_trylock(void)
{
+ DEFINE_WAIT(wait);
+ int ret = 0;
+
down_read(&umhelper_sem);
+ for (;;) {
+ prepare_to_wait(&usermodehelper_disabled_waitq, &wait,
+ TASK_INTERRUPTIBLE);
+ if (!usermodehelper_disabled)
+ break;
+
+ if (usermodehelper_disabled == UMH_DISABLED)
+ ret = -EAGAIN;
+
+ up_read(&umhelper_sem);
+
+ if (ret)
+ break;
+
+ schedule();
+ try_to_freeze();
+
+ down_read(&umhelper_sem);
+ }
+ finish_wait(&usermodehelper_disabled_waitq, &wait);
+ return ret;
+}
+EXPORT_SYMBOL_GPL(usermodehelper_read_trylock);
+
+long usermodehelper_read_lock_wait(long timeout)
+{
+ DEFINE_WAIT(wait);
+
+ if (timeout < 0)
+ return -EINVAL;
+
+ down_read(&umhelper_sem);
+ for (;;) {
+ prepare_to_wait(&usermodehelper_disabled_waitq, &wait,
+ TASK_UNINTERRUPTIBLE);
+ if (!usermodehelper_disabled)
+ break;
+
+ up_read(&umhelper_sem);
+
+ timeout = schedule_timeout(timeout);
+ if (!timeout)
+ break;
+
+ down_read(&umhelper_sem);
+ }
+ finish_wait(&usermodehelper_disabled_waitq, &wait);
+ return timeout;
}
-EXPORT_SYMBOL_GPL(read_lock_usermodehelper);
+EXPORT_SYMBOL_GPL(usermodehelper_read_lock_wait);
-void read_unlock_usermodehelper(void)
+void usermodehelper_read_unlock(void)
{
up_read(&umhelper_sem);
}
-EXPORT_SYMBOL_GPL(read_unlock_usermodehelper);
+EXPORT_SYMBOL_GPL(usermodehelper_read_unlock);
/**
- * usermodehelper_disable - prevent new helpers from being started
+ * __usermodehelper_set_disable_depth - Modify usermodehelper_disabled.
+ * depth: New value to assign to usermodehelper_disabled.
+ *
+ * Change the value of usermodehelper_disabled (under umhelper_sem locked for
+ * writing) and wakeup tasks waiting for it to change.
*/
-int usermodehelper_disable(void)
+void __usermodehelper_set_disable_depth(enum umh_disable_depth depth)
+{
+ down_write(&umhelper_sem);
+ usermodehelper_disabled = depth;
+ wake_up(&usermodehelper_disabled_waitq);
+ up_write(&umhelper_sem);
+}
+
+/**
+ * __usermodehelper_disable - Prevent new helpers from being started.
+ * @depth: New value to assign to usermodehelper_disabled.
+ *
+ * Set usermodehelper_disabled to @depth and wait for running helpers to exit.
+ */
+int __usermodehelper_disable(enum umh_disable_depth depth)
{
long retval;
+ if (!depth)
+ return -EINVAL;
+
down_write(&umhelper_sem);
- usermodehelper_disabled = 1;
+ usermodehelper_disabled = depth;
up_write(&umhelper_sem);
/*
@@ -331,31 +409,10 @@ int usermodehelper_disable(void)
if (retval)
return 0;
- down_write(&umhelper_sem);
- usermodehelper_disabled = 0;
- up_write(&umhelper_sem);
+ __usermodehelper_set_disable_depth(UMH_ENABLED);
return -EAGAIN;
}
-/**
- * usermodehelper_enable - allow new helpers to be started again
- */
-void usermodehelper_enable(void)
-{
- down_write(&umhelper_sem);
- usermodehelper_disabled = 0;
- up_write(&umhelper_sem);
-}
-
-/**
- * usermodehelper_is_disabled - check if new helpers are allowed to be started
- */
-bool usermodehelper_is_disabled(void)
-{
- return usermodehelper_disabled;
-}
-EXPORT_SYMBOL_GPL(usermodehelper_is_disabled);
-
static void helper_lock(void)
{
atomic_inc(&running_helpers);
diff --git a/kernel/power/hibernate.c b/kernel/power/hibernate.c
index 7bef755..a364144 100644
--- a/kernel/power/hibernate.c
+++ b/kernel/power/hibernate.c
@@ -16,7 +16,6 @@
#include <linux/string.h>
#include <linux/device.h>
#include <linux/async.h>
-#include <linux/kmod.h>
#include <linux/delay.h>
#include <linux/fs.h>
#include <linux/mount.h>
@@ -609,14 +608,10 @@ int hibernate(void)
if (error)
goto Exit;
- error = usermodehelper_disable();
- if (error)
- goto Exit;
-
/* Allocate memory management structures */
error = create_basic_memory_bitmaps();
if (error)
- goto Enable_umh;
+ goto Exit;
printk(KERN_INFO "PM: Syncing filesystems ... ");
sys_sync();
@@ -659,8 +654,6 @@ int hibernate(void)
thaw_processes();
Free_bitmaps:
free_basic_memory_bitmaps();
- Enable_umh:
- usermodehelper_enable();
Exit:
pm_notifier_call_chain(PM_POST_HIBERNATION);
pm_restore_console();
@@ -775,15 +768,9 @@ static int software_resume(void)
if (error)
goto close_finish;
- error = usermodehelper_disable();
- if (error)
- goto close_finish;
-
error = create_basic_memory_bitmaps();
- if (error) {
- usermodehelper_enable();
+ if (error)
goto close_finish;
- }
pr_debug("PM: Preparing processes for restore.\n");
error = freeze_processes();
@@ -804,7 +791,6 @@ static int software_resume(void)
thaw_processes();
Done:
free_basic_memory_bitmaps();
- usermodehelper_enable();
Finish:
pm_notifier_call_chain(PM_POST_RESTORE);
pm_restore_console();
diff --git a/kernel/power/process.c b/kernel/power/process.c
index 7e42645..7aac07a 100644
--- a/kernel/power/process.c
+++ b/kernel/power/process.c
@@ -16,6 +16,7 @@
#include <linux/freezer.h>
#include <linux/delay.h>
#include <linux/workqueue.h>
+#include <linux/kmod.h>
/*
* Timeout for stopping processes
@@ -122,6 +123,10 @@ int freeze_processes(void)
{
int error;
+ error = __usermodehelper_disable(UMH_FREEZING);
+ if (error)
+ return error;
+
if (!pm_freezing)
atomic_inc(&system_freezing_cnt);
@@ -130,6 +135,7 @@ int freeze_processes(void)
error = try_to_freeze_tasks(true);
if (!error) {
printk("done.");
+ __usermodehelper_set_disable_depth(UMH_DISABLED);
oom_killer_disable();
}
printk("\n");
@@ -187,6 +193,8 @@ void thaw_processes(void)
} while_each_thread(g, p);
read_unlock(&tasklist_lock);
+ usermodehelper_enable();
+
schedule();
printk("done.\n");
}
diff --git a/kernel/power/suspend.c b/kernel/power/suspend.c
index 4fd51be..038d72b 100644
--- a/kernel/power/suspend.c
+++ b/kernel/power/suspend.c
@@ -12,7 +12,6 @@
#include <linux/delay.h>
#include <linux/errno.h>
#include <linux/init.h>
-#include <linux/kmod.h>
#include <linux/console.h>
#include <linux/cpu.h>
#include <linux/syscalls.h>
@@ -101,17 +100,12 @@ static int suspend_prepare(void)
if (error)
goto Finish;
- error = usermodehelper_disable();
- if (error)
- goto Finish;
-
error = suspend_freeze_processes();
if (!error)
return 0;
suspend_stats.failed_freeze++;
dpm_save_failed_step(SUSPEND_FREEZE);
- usermodehelper_enable();
Finish:
pm_notifier_call_chain(PM_POST_SUSPEND);
pm_restore_console();
@@ -259,7 +253,6 @@ int suspend_devices_and_enter(suspend_state_t state)
static void suspend_finish(void)
{
suspend_thaw_processes();
- usermodehelper_enable();
pm_notifier_call_chain(PM_POST_SUSPEND);
pm_restore_console();
}
diff --git a/kernel/power/user.c b/kernel/power/user.c
index 3e10007..89dc7e4 100644
--- a/kernel/power/user.c
+++ b/kernel/power/user.c
@@ -12,7 +12,6 @@
#include <linux/suspend.h>
#include <linux/syscalls.h>
#include <linux/reboot.h>
-#include <linux/kmod.h>
#include <linux/string.h>
#include <linux/device.h>
#include <linux/miscdevice.h>
@@ -222,14 +221,8 @@ static long snapshot_ioctl(struct file *filp, unsigned int cmd,
sys_sync();
printk("done.\n");
- error = usermodehelper_disable();
- if (error)
- break;
-
error = freeze_processes();
- if (error)
- usermodehelper_enable();
- else
+ if (!error)
data->frozen = 1;
break;
@@ -238,7 +231,6 @@ static long snapshot_ioctl(struct file *filp, unsigned int cmd,
break;
pm_restore_gfp_mask();
thaw_processes();
- usermodehelper_enable();
data->frozen = 0;
break;
diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index f487f25..f03a6ef 100644
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -166,7 +166,7 @@ static int proc_taint(struct ctl_table *table, int write,
#endif
#ifdef CONFIG_PRINTK
-static int proc_dmesg_restrict(struct ctl_table *table, int write,
+static int proc_dointvec_minmax_sysadmin(struct ctl_table *table, int write,
void __user *buffer, size_t *lenp, loff_t *ppos);
#endif
@@ -713,7 +713,7 @@ static struct ctl_table kern_table[] = {
.data = &dmesg_restrict,
.maxlen = sizeof(int),
.mode = 0644,
- .proc_handler = proc_dointvec_minmax,
+ .proc_handler = proc_dointvec_minmax_sysadmin,
.extra1 = &zero,
.extra2 = &one,
},
@@ -722,7 +722,7 @@ static struct ctl_table kern_table[] = {
.data = &kptr_restrict,
.maxlen = sizeof(int),
.mode = 0644,
- .proc_handler = proc_dmesg_restrict,
+ .proc_handler = proc_dointvec_minmax_sysadmin,
.extra1 = &zero,
.extra2 = &two,
},
@@ -2431,7 +2431,7 @@ static int proc_taint(struct ctl_table *table, int write,
}
#ifdef CONFIG_PRINTK
-static int proc_dmesg_restrict(struct ctl_table *table, int write,
+static int proc_dointvec_minmax_sysadmin(struct ctl_table *table, int write,
void __user *buffer, size_t *lenp, loff_t *ppos)
{
if (write && !capable(CAP_SYS_ADMIN))
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index a3f1bc5..c4579f1 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -1644,6 +1644,7 @@ __find_next_entry(struct trace_iterator *iter, int *ent_cpu,
int cpu_file = iter->cpu_file;
u64 next_ts = 0, ts;
int next_cpu = -1;
+ int next_size = 0;
int cpu;
/*
@@ -1675,9 +1676,12 @@ __find_next_entry(struct trace_iterator *iter, int *ent_cpu,
next_cpu = cpu;
next_ts = ts;
next_lost = lost_events;
+ next_size = iter->ent_size;
}
}
+ iter->ent_size = next_size;
+
if (ent_cpu)
*ent_cpu = next_cpu;
diff --git a/kernel/trace/trace_entries.h b/kernel/trace/trace_entries.h
index 9336590..205dcac 100644
--- a/kernel/trace/trace_entries.h
+++ b/kernel/trace/trace_entries.h
@@ -156,6 +156,12 @@ FTRACE_ENTRY_DUP(wakeup, ctx_switch_entry,
#define FTRACE_STACK_ENTRIES 8
+#ifndef CONFIG_64BIT
+# define IP_FMT "%08lx"
+#else
+# define IP_FMT "%016lx"
+#endif
+
FTRACE_ENTRY(kernel_stack, stack_entry,
TRACE_STACK,
@@ -165,8 +171,9 @@ FTRACE_ENTRY(kernel_stack, stack_entry,
__dynamic_array(unsigned long, caller )
),
- F_printk("\t=> (%08lx)\n\t=> (%08lx)\n\t=> (%08lx)\n\t=> (%08lx)\n"
- "\t=> (%08lx)\n\t=> (%08lx)\n\t=> (%08lx)\n\t=> (%08lx)\n",
+ F_printk("\t=> (" IP_FMT ")\n\t=> (" IP_FMT ")\n\t=> (" IP_FMT ")\n"
+ "\t=> (" IP_FMT ")\n\t=> (" IP_FMT ")\n\t=> (" IP_FMT ")\n"
+ "\t=> (" IP_FMT ")\n\t=> (" IP_FMT ")\n",
__entry->caller[0], __entry->caller[1], __entry->caller[2],
__entry->caller[3], __entry->caller[4], __entry->caller[5],
__entry->caller[6], __entry->caller[7])
@@ -181,8 +188,9 @@ FTRACE_ENTRY(user_stack, userstack_entry,
__array( unsigned long, caller, FTRACE_STACK_ENTRIES )
),
- F_printk("\t=> (%08lx)\n\t=> (%08lx)\n\t=> (%08lx)\n\t=> (%08lx)\n"
- "\t=> (%08lx)\n\t=> (%08lx)\n\t=> (%08lx)\n\t=> (%08lx)\n",
+ F_printk("\t=> (" IP_FMT ")\n\t=> (" IP_FMT ")\n\t=> (" IP_FMT ")\n"
+ "\t=> (" IP_FMT ")\n\t=> (" IP_FMT ")\n\t=> (" IP_FMT ")\n"
+ "\t=> (" IP_FMT ")\n\t=> (" IP_FMT ")\n",
__entry->caller[0], __entry->caller[1], __entry->caller[2],
__entry->caller[3], __entry->caller[4], __entry->caller[5],
__entry->caller[6], __entry->caller[7])
diff --git a/kernel/trace/trace_export.c b/kernel/trace/trace_export.c
index bbeec31..ad4000c 100644
--- a/kernel/trace/trace_export.c
+++ b/kernel/trace/trace_export.c
@@ -150,7 +150,7 @@ ftrace_define_fields_##name(struct ftrace_event_call *event_call) \
#define __dynamic_array(type, item)
#undef F_printk
-#define F_printk(fmt, args...) #fmt ", " __stringify(args)
+#define F_printk(fmt, args...) __stringify(fmt) ", " __stringify(args)
#undef FTRACE_ENTRY
#define FTRACE_ENTRY(call, struct_name, etype, tstruct, print) \
diff --git a/net/mac80211/agg-rx.c b/net/mac80211/agg-rx.c
index 1068f66..64d3ce5 100644
--- a/net/mac80211/agg-rx.c
+++ b/net/mac80211/agg-rx.c
@@ -49,6 +49,8 @@ static void ieee80211_free_tid_rx(struct rcu_head *h)
container_of(h, struct tid_ampdu_rx, rcu_head);
int i;
+ del_timer_sync(&tid_rx->reorder_timer);
+
for (i = 0; i < tid_rx->buf_size; i++)
dev_kfree_skb(tid_rx->reorder_buf[i]);
kfree(tid_rx->reorder_buf);
@@ -91,7 +93,6 @@ void ___ieee80211_stop_rx_ba_session(struct sta_info *sta, u16 tid,
tid, WLAN_BACK_RECIPIENT, reason);
del_timer_sync(&tid_rx->session_timer);
- del_timer_sync(&tid_rx->reorder_timer);
call_rcu(&tid_rx->rcu_head, ieee80211_free_tid_rx);
}
diff --git a/net/rose/rose_dev.c b/net/rose/rose_dev.c
index 178ff4f..2679507 100644
--- a/net/rose/rose_dev.c
+++ b/net/rose/rose_dev.c
@@ -96,11 +96,11 @@ static int rose_set_mac_address(struct net_device *dev, void *addr)
struct sockaddr *sa = addr;
int err;
- if (!memcpy(dev->dev_addr, sa->sa_data, dev->addr_len))
+ if (!memcmp(dev->dev_addr, sa->sa_data, dev->addr_len))
return 0;
if (dev->flags & IFF_UP) {
- err = rose_add_loopback_node((rose_address *)dev->dev_addr);
+ err = rose_add_loopback_node((rose_address *)sa->sa_data);
if (err)
return err;
diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c
index 9adb667..c4e7d15 100644
--- a/scripts/mod/modpost.c
+++ b/scripts/mod/modpost.c
@@ -132,8 +132,10 @@ static struct module *new_module(char *modname)
/* strip trailing .o */
s = strrchr(p, '.');
if (s != NULL)
- if (strcmp(s, ".o") == 0)
+ if (strcmp(s, ".o") == 0) {
*s = '\0';
+ mod->is_dot_o = 1;
+ }
/* add to list */
mod->name = p;
@@ -587,7 +589,8 @@ static void handle_modversions(struct module *mod, struct elf_info *info,
unsigned int crc;
enum export export;
- if (!is_vmlinux(mod->name) && strncmp(symname, "__ksymtab", 9) == 0)
+ if ((!is_vmlinux(mod->name) || mod->is_dot_o) &&
+ strncmp(symname, "__ksymtab", 9) == 0)
export = export_from_secname(info, get_secindex(info, sym));
else
export = export_from_sec(info, get_secindex(info, sym));
@@ -849,7 +852,7 @@ static void check_section(const char *modname, struct elf_info *elf,
#define ALL_INIT_DATA_SECTIONS \
".init.setup$", ".init.rodata$", \
- ".devinit.rodata$", ".cpuinit.rodata$", ".meminit.rodata$" \
+ ".devinit.rodata$", ".cpuinit.rodata$", ".meminit.rodata$", \
".init.data$", ".devinit.data$", ".cpuinit.data$", ".meminit.data$"
#define ALL_EXIT_DATA_SECTIONS \
".exit.data$", ".devexit.data$", ".cpuexit.data$", ".memexit.data$"
diff --git a/scripts/mod/modpost.h b/scripts/mod/modpost.h
index 2031119..51207e4 100644
--- a/scripts/mod/modpost.h
+++ b/scripts/mod/modpost.h
@@ -113,6 +113,7 @@ struct module {
int has_cleanup;
struct buffer dev_table_buf;
char srcversion[25];
+ int is_dot_o;
};
struct elf_info {
diff --git a/security/tomoyo/mount.c b/security/tomoyo/mount.c
index bee09d0..fe00cdf 100644
--- a/security/tomoyo/mount.c
+++ b/security/tomoyo/mount.c
@@ -199,30 +199,32 @@ int tomoyo_mount_permission(char *dev_name, struct path *path,
if (flags & MS_REMOUNT) {
type = tomoyo_mounts[TOMOYO_MOUNT_REMOUNT];
flags &= ~MS_REMOUNT;
- }
- if (flags & MS_MOVE) {
- type = tomoyo_mounts[TOMOYO_MOUNT_MOVE];
- flags &= ~MS_MOVE;
- }
- if (flags & MS_BIND) {
+ } else if (flags & MS_BIND) {
type = tomoyo_mounts[TOMOYO_MOUNT_BIND];
flags &= ~MS_BIND;
- }
- if (flags & MS_UNBINDABLE) {
- type = tomoyo_mounts[TOMOYO_MOUNT_MAKE_UNBINDABLE];
- flags &= ~MS_UNBINDABLE;
- }
- if (flags & MS_PRIVATE) {
+ } else if (flags & MS_SHARED) {
+ if (flags & (MS_PRIVATE | MS_SLAVE | MS_UNBINDABLE))
+ return -EINVAL;
+ type = tomoyo_mounts[TOMOYO_MOUNT_MAKE_SHARED];
+ flags &= ~MS_SHARED;
+ } else if (flags & MS_PRIVATE) {
+ if (flags & (MS_SHARED | MS_SLAVE | MS_UNBINDABLE))
+ return -EINVAL;
type = tomoyo_mounts[TOMOYO_MOUNT_MAKE_PRIVATE];
flags &= ~MS_PRIVATE;
- }
- if (flags & MS_SLAVE) {
+ } else if (flags & MS_SLAVE) {
+ if (flags & (MS_SHARED | MS_PRIVATE | MS_UNBINDABLE))
+ return -EINVAL;
type = tomoyo_mounts[TOMOYO_MOUNT_MAKE_SLAVE];
flags &= ~MS_SLAVE;
- }
- if (flags & MS_SHARED) {
- type = tomoyo_mounts[TOMOYO_MOUNT_MAKE_SHARED];
- flags &= ~MS_SHARED;
+ } else if (flags & MS_UNBINDABLE) {
+ if (flags & (MS_SHARED | MS_PRIVATE | MS_SLAVE))
+ return -EINVAL;
+ type = tomoyo_mounts[TOMOYO_MOUNT_MAKE_UNBINDABLE];
+ flags &= ~MS_UNBINDABLE;
+ } else if (flags & MS_MOVE) {
+ type = tomoyo_mounts[TOMOYO_MOUNT_MOVE];
+ flags &= ~MS_MOVE;
}
if (!type)
type = "<NULL>";
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index 22c73b7..602aae9 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -2709,9 +2709,6 @@ static int alc_auto_fill_adc_caps(struct hda_codec *codec)
int max_nums = ARRAY_SIZE(spec->private_adc_nids);
int i, nums = 0;
- if (spec->shared_mic_hp)
- max_nums = 1; /* no multi streams with the shared HP/mic */
-
nid = codec->start_nid;
for (i = 0; i < codec->num_nodes; i++, nid++) {
hda_nid_t src;
@@ -3723,6 +3720,7 @@ static void alc_remove_invalid_adc_nids(struct hda_codec *codec)
if (spec->dyn_adc_switch)
return;
+ again:
nums = 0;
for (n = 0; n < spec->num_adc_nids; n++) {
hda_nid_t cap = spec->private_capsrc_nids[n];
@@ -3743,6 +3741,11 @@ static void alc_remove_invalid_adc_nids(struct hda_codec *codec)
if (!nums) {
/* check whether ADC-switch is possible */
if (!alc_check_dyn_adc_switch(codec)) {
+ if (spec->shared_mic_hp) {
+ spec->shared_mic_hp = 0;
+ spec->private_imux[0].num_items = 1;
+ goto again;
+ }
printk(KERN_WARNING "hda_codec: %s: no valid ADC found;"
" using fallback 0x%x\n",
codec->chip_name, spec->private_adc_nids[0]);
@@ -3760,7 +3763,7 @@ static void alc_remove_invalid_adc_nids(struct hda_codec *codec)
if (spec->auto_mic)
alc_auto_mic_check_imux(codec); /* check auto-mic setups */
- else if (spec->input_mux->num_items == 1)
+ else if (spec->input_mux->num_items == 1 || spec->shared_mic_hp)
spec->num_adc_nids = 1; /* reduce to a single ADC */
}
diff --git a/sound/soc/codecs/ak4642.c b/sound/soc/codecs/ak4642.c
index 278c0a0..45a087b 100644
--- a/sound/soc/codecs/ak4642.c
+++ b/sound/soc/codecs/ak4642.c
@@ -140,7 +140,7 @@
* min : 0xFE : -115.0 dB
* mute: 0xFF
*/
-static const DECLARE_TLV_DB_SCALE(out_tlv, -11500, 50, 1);
+static const DECLARE_TLV_DB_SCALE(out_tlv, -11550, 50, 1);
static const struct snd_kcontrol_new ak4642_snd_controls[] = {
diff --git a/sound/soc/codecs/wm8994.c b/sound/soc/codecs/wm8994.c
index ec69a6c..900c91b 100644
--- a/sound/soc/codecs/wm8994.c
+++ b/sound/soc/codecs/wm8994.c
@@ -3427,7 +3427,7 @@ static int wm8994_codec_probe(struct snd_soc_codec *codec)
case 2:
case 3:
wm8994->hubs.dcs_codes_l = -9;
- wm8994->hubs.dcs_codes_r = -5;
+ wm8994->hubs.dcs_codes_r = -7;
break;
default:
break;
diff --git a/sound/soc/tegra/tegra_i2s.c b/sound/soc/tegra/tegra_i2s.c
index 33509de..c7f34f9 100644
--- a/sound/soc/tegra/tegra_i2s.c
+++ b/sound/soc/tegra/tegra_i2s.c
@@ -112,7 +112,7 @@ static void tegra_i2s_debug_remove(struct tegra_i2s *i2s)
debugfs_remove(i2s->debug);
}
#else
-static inline void tegra_i2s_debug_add(struct tegra_i2s *i2s, int id)
+static inline void tegra_i2s_debug_add(struct tegra_i2s *i2s)
{
}
--
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