| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Date: Tue, 08 Dec 2009 22:30:50 -0800
From: Joe Perches <joe@...ches.com>
To: Ingo Molnar <mingo@...e.hu>
Cc: Andy Whitcroft <apw@...onical.com>,
Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
Andreas Herrmann <herrmann.der.user@...glemail.com>
Subject: [PATCH] arch/x86/kernel/microcode*: Use pr_fmt and remove
duplicated KERN_ERR prefix
On Wed, 2009-12-09 at 07:05 +0100, Ingo Molnar wrote:
> > > - printk(KERN_ERR "microcode: CPU%d: loading of chipset "
> > > + pr_err(KERN_ERR "microcode: CPU%d: loading of chipset "
> > Duplicates KERN_ERR
> Indeed - please send a delta fix as this has been merged already.
Use #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
Remove "microcode: " prefix from each pr_<level>
Fix duplicated KERN_ERR prefix
Coalesce pr_<level> format strings
Add a space after an exclamation point
No other change in output
Signed-off-by: Joe Perches <joe@...ches.com>
---
arch/x86/kernel/microcode_amd.c | 40 +++++++++++++++----------------
arch/x86/kernel/microcode_core.c | 26 +++++++++++---------
arch/x86/kernel/microcode_intel.c | 47 +++++++++++++++---------------------
3 files changed, 53 insertions(+), 60 deletions(-)
diff --git a/arch/x86/kernel/microcode_amd.c b/arch/x86/kernel/microcode_amd.c
index 63123d9..37542b6 100644
--- a/arch/x86/kernel/microcode_amd.c
+++ b/arch/x86/kernel/microcode_amd.c
@@ -13,6 +13,9 @@
* Licensed under the terms of the GNU General Public
* License version 2. See file COPYING for details.
*/
+
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
#include <linux/firmware.h>
#include <linux/pci_ids.h>
#include <linux/uaccess.h>
@@ -81,7 +84,7 @@ static int collect_cpu_info_amd(int cpu, struct cpu_signature *csig)
memset(csig, 0, sizeof(*csig));
rdmsr(MSR_AMD64_PATCH_LEVEL, csig->rev, dummy);
- pr_info("microcode: CPU%d: patch_level=0x%x\n", cpu, csig->rev);
+ pr_info("CPU%d: patch_level=0x%x\n", cpu, csig->rev);
return 0;
}
@@ -111,8 +114,8 @@ static int get_matching_microcode(int cpu, void *mc, int rev)
/* ucode might be chipset specific -- currently we don't support this */
if (mc_header->nb_dev_id || mc_header->sb_dev_id) {
- pr_err(KERN_ERR "microcode: CPU%d: loading of chipset "
- "specific code not yet supported\n", cpu);
+ pr_err("CPU%d: loading of chipset specific code not yet supported\n",
+ cpu);
return 0;
}
@@ -141,12 +144,12 @@ static int apply_microcode_amd(int cpu)
/* check current patch id and patch's id for match */
if (rev != mc_amd->hdr.patch_id) {
- pr_err("microcode: CPU%d: update failed "
- "(for patch_level=0x%x)\n", cpu, mc_amd->hdr.patch_id);
+ pr_err("CPU%d: update failed (for patch_level=0x%x)\n",
+ cpu, mc_amd->hdr.patch_id);
return -1;
}
- pr_info("microcode: CPU%d: updated (new patch_level=0x%x)\n", cpu, rev);
+ pr_info("CPU%d: updated (new patch_level=0x%x)\n", cpu, rev);
uci->cpu_sig.rev = rev;
return 0;
@@ -169,15 +172,14 @@ get_next_ucode(const u8 *buf, unsigned int size, unsigned int *mc_size)
return NULL;
if (section_hdr[0] != UCODE_UCODE_TYPE) {
- pr_err("microcode: error: invalid type field in "
- "container file section header\n");
+ pr_err("error: invalid type field in container file section header\n");
return NULL;
}
total_size = (unsigned long) (section_hdr[4] + (section_hdr[5] << 8));
if (total_size > size || total_size > UCODE_MAX_SIZE) {
- pr_err("microcode: error: size mismatch\n");
+ pr_err("error: size mismatch\n");
return NULL;
}
@@ -206,14 +208,13 @@ static int install_equiv_cpu_table(const u8 *buf)
size = buf_pos[2];
if (buf_pos[1] != UCODE_EQUIV_CPU_TABLE_TYPE || !size) {
- pr_err("microcode: error: invalid type field in "
- "container file section header\n");
+ pr_err("error: invalid type field in container file section header\n");
return 0;
}
equiv_cpu_table = (struct equiv_cpu_entry *) vmalloc(size);
if (!equiv_cpu_table) {
- pr_err("microcode: failed to allocate equivalent CPU table\n");
+ pr_err("failed to allocate equivalent CPU table\n");
return 0;
}
@@ -246,7 +247,7 @@ generic_load_microcode(int cpu, const u8 *data, size_t size)
offset = install_equiv_cpu_table(ucode_ptr);
if (!offset) {
- pr_err("microcode: failed to create equivalent cpu table\n");
+ pr_err("failed to create equivalent cpu table\n");
return UCODE_ERROR;
}
@@ -277,8 +278,7 @@ generic_load_microcode(int cpu, const u8 *data, size_t size)
if (!leftover) {
vfree(uci->mc);
uci->mc = new_mc;
- pr_debug("microcode: CPU%d found a matching microcode "
- "update with version 0x%x (current=0x%x)\n",
+ pr_debug("CPU%d found a matching microcode update with version 0x%x (current=0x%x)\n",
cpu, new_rev, uci->cpu_sig.rev);
} else {
vfree(new_mc);
@@ -300,7 +300,7 @@ static enum ucode_state request_microcode_fw(int cpu, struct device *device)
return UCODE_NFOUND;
if (*(u32 *)firmware->data != UCODE_MAGIC) {
- pr_err("microcode: invalid UCODE_MAGIC (0x%08x)\n",
+ pr_err("invalid UCODE_MAGIC (0x%08x)\n",
*(u32 *)firmware->data);
return UCODE_ERROR;
}
@@ -313,8 +313,7 @@ static enum ucode_state request_microcode_fw(int cpu, struct device *device)
static enum ucode_state
request_microcode_user(int cpu, const void __user *buf, size_t size)
{
- pr_info("microcode: AMD microcode update via "
- "/dev/cpu/microcode not supported\n");
+ pr_info("AMD microcode update via /dev/cpu/microcode not supported\n");
return UCODE_ERROR;
}
@@ -334,14 +333,13 @@ void init_microcode_amd(struct device *device)
WARN_ON(c->x86_vendor != X86_VENDOR_AMD);
if (c->x86 < 0x10) {
- pr_warning("microcode: AMD CPU family 0x%x not supported\n",
- c->x86);
+ pr_warning("AMD CPU family 0x%x not supported\n", c->x86);
return;
}
supported_cpu = 1;
if (request_firmware(&firmware, fw_name, device))
- pr_err("microcode: failed to load file %s\n", fw_name);
+ pr_err("failed to load file %s\n", fw_name);
}
void fini_microcode_amd(void)
diff --git a/arch/x86/kernel/microcode_core.c b/arch/x86/kernel/microcode_core.c
index e68aae3..844c02c 100644
--- a/arch/x86/kernel/microcode_core.c
+++ b/arch/x86/kernel/microcode_core.c
@@ -70,6 +70,9 @@
* Fix sigmatch() macro to handle old CPUs with pf == 0.
* Thanks to Stuart Swales for pointing out this bug.
*/
+
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
#include <linux/platform_device.h>
#include <linux/miscdevice.h>
#include <linux/capability.h>
@@ -209,7 +212,7 @@ static ssize_t microcode_write(struct file *file, const char __user *buf,
ssize_t ret = -EINVAL;
if ((len >> PAGE_SHIFT) > totalram_pages) {
- pr_err("microcode: too much data (max %ld pages)\n", totalram_pages);
+ pr_err("too much data (max %ld pages)\n", totalram_pages);
return ret;
}
@@ -244,7 +247,7 @@ static int __init microcode_dev_init(void)
error = misc_register(µcode_dev);
if (error) {
- pr_err("microcode: can't misc_register on minor=%d\n", MICROCODE_MINOR);
+ pr_err("can't misc_register on minor=%d\n", MICROCODE_MINOR);
return error;
}
@@ -359,7 +362,7 @@ static enum ucode_state microcode_resume_cpu(int cpu)
if (!uci->mc)
return UCODE_NFOUND;
- pr_debug("microcode: CPU%d updated upon resume\n", cpu);
+ pr_debug("CPU%d updated upon resume\n", cpu);
apply_microcode_on_target(cpu);
return UCODE_OK;
@@ -379,7 +382,7 @@ static enum ucode_state microcode_init_cpu(int cpu)
ustate = microcode_ops->request_microcode_fw(cpu, µcode_pdev->dev);
if (ustate == UCODE_OK) {
- pr_debug("microcode: CPU%d updated upon init\n", cpu);
+ pr_debug("CPU%d updated upon init\n", cpu);
apply_microcode_on_target(cpu);
}
@@ -406,7 +409,7 @@ static int mc_sysdev_add(struct sys_device *sys_dev)
if (!cpu_online(cpu))
return 0;
- pr_debug("microcode: CPU%d added\n", cpu);
+ pr_debug("CPU%d added\n", cpu);
err = sysfs_create_group(&sys_dev->kobj, &mc_attr_group);
if (err)
@@ -425,7 +428,7 @@ static int mc_sysdev_remove(struct sys_device *sys_dev)
if (!cpu_online(cpu))
return 0;
- pr_debug("microcode: CPU%d removed\n", cpu);
+ pr_debug("CPU%d removed\n", cpu);
microcode_fini_cpu(cpu);
sysfs_remove_group(&sys_dev->kobj, &mc_attr_group);
return 0;
@@ -473,15 +476,15 @@ mc_cpu_callback(struct notifier_block *nb, unsigned long action, void *hcpu)
microcode_update_cpu(cpu);
case CPU_DOWN_FAILED:
case CPU_DOWN_FAILED_FROZEN:
- pr_debug("microcode: CPU%d added\n", cpu);
+ pr_debug("CPU%d added\n", cpu);
if (sysfs_create_group(&sys_dev->kobj, &mc_attr_group))
- pr_err("microcode: Failed to create group for CPU%d\n", cpu);
+ pr_err("Failed to create group for CPU%d\n", cpu);
break;
case CPU_DOWN_PREPARE:
case CPU_DOWN_PREPARE_FROZEN:
/* Suspend is in progress, only remove the interface */
sysfs_remove_group(&sys_dev->kobj, &mc_attr_group);
- pr_debug("microcode: CPU%d removed\n", cpu);
+ pr_debug("CPU%d removed\n", cpu);
break;
case CPU_DEAD:
case CPU_UP_CANCELED_FROZEN:
@@ -507,7 +510,7 @@ static int __init microcode_init(void)
microcode_ops = init_amd_microcode();
if (!microcode_ops) {
- pr_err("microcode: no support for this CPU vendor\n");
+ pr_err("no support for this CPU vendor\n");
return -ENODEV;
}
@@ -541,8 +544,7 @@ static int __init microcode_init(void)
register_hotcpu_notifier(&mc_cpu_notifier);
pr_info("Microcode Update Driver: v" MICROCODE_VERSION
- " <tigran@...azian.fsnet.co.uk>,"
- " Peter Oruba\n");
+ " <tigran@...azian.fsnet.co.uk>, Peter Oruba\n");
return 0;
}
diff --git a/arch/x86/kernel/microcode_intel.c b/arch/x86/kernel/microcode_intel.c
index 0d334dd..00ff0dd 100644
--- a/arch/x86/kernel/microcode_intel.c
+++ b/arch/x86/kernel/microcode_intel.c
@@ -70,6 +70,9 @@
* Fix sigmatch() macro to handle old CPUs with pf == 0.
* Thanks to Stuart Swales for pointing out this bug.
*/
+
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
#include <linux/firmware.h>
#include <linux/uaccess.h>
#include <linux/kernel.h>
@@ -146,8 +149,7 @@ static int collect_cpu_info(int cpu_num, struct cpu_signature *csig)
if (c->x86_vendor != X86_VENDOR_INTEL || c->x86 < 6 ||
cpu_has(c, X86_FEATURE_IA64)) {
- printk(KERN_ERR "microcode: CPU%d not a capable Intel "
- "processor\n", cpu_num);
+ pr_err("CPU%d not a capable Intel processor\n", cpu_num);
return -1;
}
@@ -165,8 +167,8 @@ static int collect_cpu_info(int cpu_num, struct cpu_signature *csig)
/* get the current revision from MSR 0x8B */
rdmsr(MSR_IA32_UCODE_REV, val[0], csig->rev);
- printk(KERN_INFO "microcode: CPU%d sig=0x%x, pf=0x%x, revision=0x%x\n",
- cpu_num, csig->sig, csig->pf, csig->rev);
+ pr_info("CPU%d sig=0x%x, pf=0x%x, revision=0x%x\n",
+ cpu_num, csig->sig, csig->pf, csig->rev);
return 0;
}
@@ -194,28 +196,24 @@ static int microcode_sanity_check(void *mc)
data_size = get_datasize(mc_header);
if (data_size + MC_HEADER_SIZE > total_size) {
- printk(KERN_ERR "microcode: error! "
- "Bad data size in microcode data file\n");
+ pr_err("error! Bad data size in microcode data file\n");
return -EINVAL;
}
if (mc_header->ldrver != 1 || mc_header->hdrver != 1) {
- printk(KERN_ERR "microcode: error! "
- "Unknown microcode update format\n");
+ pr_err("error! Unknown microcode update format\n");
return -EINVAL;
}
ext_table_size = total_size - (MC_HEADER_SIZE + data_size);
if (ext_table_size) {
if ((ext_table_size < EXT_HEADER_SIZE)
|| ((ext_table_size - EXT_HEADER_SIZE) % EXT_SIGNATURE_SIZE)) {
- printk(KERN_ERR "microcode: error! "
- "Small exttable size in microcode data file\n");
+ pr_err("error! Small exttable size in microcode data file\n");
return -EINVAL;
}
ext_header = mc + MC_HEADER_SIZE + data_size;
if (ext_table_size != exttable_size(ext_header)) {
- printk(KERN_ERR "microcode: error! "
- "Bad exttable size in microcode data file\n");
+ pr_err("error! Bad exttable size in microcode data file\n");
return -EFAULT;
}
ext_sigcount = ext_header->count;
@@ -230,8 +228,7 @@ static int microcode_sanity_check(void *mc)
while (i--)
ext_table_sum += ext_tablep[i];
if (ext_table_sum) {
- printk(KERN_WARNING "microcode: aborting, "
- "bad extended signature table checksum\n");
+ pr_warning("aborting, bad extended signature table checksum\n");
return -EINVAL;
}
}
@@ -242,7 +239,7 @@ static int microcode_sanity_check(void *mc)
while (i--)
orig_sum += ((int *)mc)[i];
if (orig_sum) {
- printk(KERN_ERR "microcode: aborting, bad checksum\n");
+ pr_err("aborting, bad checksum\n");
return -EINVAL;
}
if (!ext_table_size)
@@ -255,7 +252,7 @@ static int microcode_sanity_check(void *mc)
- (mc_header->sig + mc_header->pf + mc_header->cksum)
+ (ext_sig->sig + ext_sig->pf + ext_sig->cksum);
if (sum) {
- printk(KERN_ERR "microcode: aborting, bad checksum\n");
+ pr_err("aborting, bad checksum\n");
return -EINVAL;
}
}
@@ -327,13 +324,11 @@ static int apply_microcode(int cpu)
rdmsr(MSR_IA32_UCODE_REV, val[0], val[1]);
if (val[1] != mc_intel->hdr.rev) {
- printk(KERN_ERR "microcode: CPU%d update "
- "to revision 0x%x failed\n",
- cpu_num, mc_intel->hdr.rev);
+ pr_err("CPU%d update to revision 0x%x failed\n",
+ cpu_num, mc_intel->hdr.rev);
return -1;
}
- printk(KERN_INFO "microcode: CPU%d updated to revision "
- "0x%x, date = %04x-%02x-%02x \n",
+ pr_info("CPU%d updated to revision 0x%x, date = %04x-%02x-%02x \n",
cpu_num, val[1],
mc_intel->hdr.date & 0xffff,
mc_intel->hdr.date >> 24,
@@ -362,8 +357,7 @@ static enum ucode_state generic_load_microcode(int cpu, void *data, size_t size,
mc_size = get_totalsize(&mc_header);
if (!mc_size || mc_size > leftover) {
- printk(KERN_ERR "microcode: error!"
- "Bad data in microcode data file\n");
+ pr_err("error! Bad data in microcode data file\n");
break;
}
@@ -405,9 +399,8 @@ static enum ucode_state generic_load_microcode(int cpu, void *data, size_t size,
vfree(uci->mc);
uci->mc = (struct microcode_intel *)new_mc;
- pr_debug("microcode: CPU%d found a matching microcode update with"
- " version 0x%x (current=0x%x)\n",
- cpu, new_rev, uci->cpu_sig.rev);
+ pr_debug("CPU%d found a matching microcode update with version 0x%x (current=0x%x)\n",
+ cpu, new_rev, uci->cpu_sig.rev);
out:
return state;
}
@@ -429,7 +422,7 @@ static enum ucode_state request_microcode_fw(int cpu, struct device *device)
c->x86, c->x86_model, c->x86_mask);
if (request_firmware(&firmware, name, device)) {
- pr_debug("microcode: data file %s load failed\n", name);
+ pr_debug("data file %s load failed\n", name);
return UCODE_NFOUND;
}
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
Powered by blists - more mailing lists