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Message-Id: <20220415024701.876364-11-dqiao@redhat.com>
Date: Thu, 14 Apr 2022 22:47:00 -0400
From: Donghai Qiao <dqiao@...hat.com>
To: akpm@...ux-foundation.org, sfr@...b.auug.org.au, arnd@...db.de,
peterz@...radead.org, heying24@...wei.com,
andriy.shevchenko@...ux.intel.com, axboe@...nel.dk,
rdunlap@...radead.org, tglx@...utronix.de, gor@...ux.ibm.com
Cc: donghai.w.qiao@...il.com, linux-kernel@...r.kernel.org,
Donghai Qiao <dqiao@...hat.com>
Subject: [PATCH 10/11] smp: replace smp_call_function_single() with smp_xcall()
Replace smp_call_function_single() with smp_xcall() and
changes all the invocations for it.
Signed-off-by: Donghai Qiao <dqiao@...hat.com>
---
arch/alpha/kernel/rtc.c | 4 +--
arch/arm/mach-bcm/bcm_kona_smc.c | 2 +-
arch/arm/mach-mvebu/pmsu.c | 4 +--
arch/arm64/kernel/topology.c | 2 +-
arch/csky/kernel/cpu-probe.c | 2 +-
arch/ia64/kernel/palinfo.c | 3 +-
arch/ia64/kernel/smpboot.c | 2 +-
arch/mips/kernel/smp-bmips.c | 3 +-
arch/mips/kernel/smp-cps.c | 8 ++---
arch/powerpc/kernel/sysfs.c | 26 +++++++-------
arch/powerpc/kernel/watchdog.c | 4 +--
arch/powerpc/kvm/book3s_hv.c | 8 ++---
arch/powerpc/platforms/85xx/smp.c | 6 ++--
arch/sparc/kernel/nmi.c | 4 +--
arch/x86/kernel/apic/vector.c | 2 +-
arch/x86/kernel/cpu/aperfmperf.c | 5 +--
arch/x86/kernel/cpu/mce/amd.c | 4 +--
arch/x86/kernel/cpu/mce/inject.c | 8 ++---
arch/x86/kernel/cpu/microcode/core.c | 4 +--
arch/x86/kernel/cpu/mtrr/mtrr.c | 2 +-
arch/x86/kernel/cpu/resctrl/rdtgroup.c | 2 +-
arch/x86/kernel/kvm.c | 4 +--
arch/x86/kvm/vmx/vmx.c | 3 +-
arch/x86/kvm/x86.c | 7 ++--
arch/x86/lib/cache-smp.c | 2 +-
arch/x86/lib/msr-smp.c | 16 ++++-----
arch/x86/xen/mmu_pv.c | 2 +-
arch/xtensa/kernel/smp.c | 7 ++--
drivers/acpi/processor_idle.c | 4 +--
drivers/cpufreq/powernow-k8.c | 9 +++--
drivers/cpufreq/powernv-cpufreq.c | 2 +-
drivers/cpufreq/sparc-us2e-cpufreq.c | 4 +--
drivers/cpufreq/sparc-us3-cpufreq.c | 4 +--
drivers/cpufreq/speedstep-ich.c | 7 ++--
drivers/cpufreq/tegra194-cpufreq.c | 6 ++--
.../hwtracing/coresight/coresight-cpu-debug.c | 3 +-
.../coresight/coresight-etm3x-core.c | 11 +++---
.../coresight/coresight-etm4x-core.c | 12 +++----
.../coresight/coresight-etm4x-sysfs.c | 2 +-
drivers/hwtracing/coresight/coresight-trbe.c | 6 ++--
drivers/net/ethernet/marvell/mvneta.c | 4 +--
.../intel/speed_select_if/isst_if_mbox_msr.c | 4 +--
drivers/powercap/intel_rapl_common.c | 2 +-
drivers/powercap/intel_rapl_msr.c | 2 +-
drivers/regulator/qcom_spmi-regulator.c | 3 +-
drivers/soc/fsl/qbman/qman.c | 4 +--
drivers/soc/fsl/qbman/qman_test_stash.c | 9 ++---
include/linux/smp.h | 3 +-
kernel/cpu.c | 4 +--
kernel/events/core.c | 10 +++---
kernel/rcu/rcutorture.c | 3 +-
kernel/rcu/tasks.h | 4 +--
kernel/rcu/tree.c | 2 +-
kernel/rcu/tree_exp.h | 4 +--
kernel/relay.c | 5 ++-
kernel/scftorture.c | 5 +--
kernel/sched/membarrier.c | 2 +-
kernel/smp.c | 34 ++-----------------
kernel/time/clockevents.c | 2 +-
kernel/time/clocksource.c | 2 +-
kernel/time/tick-common.c | 2 +-
net/bpf/test_run.c | 4 +--
net/iucv/iucv.c | 11 +++---
virt/kvm/kvm_main.c | 2 +-
64 files changed, 149 insertions(+), 194 deletions(-)
diff --git a/arch/alpha/kernel/rtc.c b/arch/alpha/kernel/rtc.c
index fb3025396ac9..bd7abb6874c6 100644
--- a/arch/alpha/kernel/rtc.c
+++ b/arch/alpha/kernel/rtc.c
@@ -168,7 +168,7 @@ remote_read_time(struct device *dev, struct rtc_time *tm)
union remote_data x;
if (smp_processor_id() != boot_cpuid) {
x.tm = tm;
- smp_call_function_single(boot_cpuid, do_remote_read, &x, 1);
+ smp_xcall(boot_cpuid, do_remote_read, &x, XCALL_TYPE_SYNC);
return x.retval;
}
return alpha_rtc_read_time(NULL, tm);
@@ -187,7 +187,7 @@ remote_set_time(struct device *dev, struct rtc_time *tm)
union remote_data x;
if (smp_processor_id() != boot_cpuid) {
x.tm = tm;
- smp_call_function_single(boot_cpuid, do_remote_set, &x, 1);
+ smp_xcall(boot_cpuid, do_remote_set, &x, XCALL_TYPE_SYNC);
return x.retval;
}
return alpha_rtc_set_time(NULL, tm);
diff --git a/arch/arm/mach-bcm/bcm_kona_smc.c b/arch/arm/mach-bcm/bcm_kona_smc.c
index 43829e49ad93..1121a68a4283 100644
--- a/arch/arm/mach-bcm/bcm_kona_smc.c
+++ b/arch/arm/mach-bcm/bcm_kona_smc.c
@@ -172,7 +172,7 @@ unsigned bcm_kona_smc(unsigned service_id, unsigned arg0, unsigned arg1,
* Due to a limitation of the secure monitor, we must use the SMP
* infrastructure to forward all secure monitor calls to Core 0.
*/
- smp_call_function_single(0, __bcm_kona_smc, &data, 1);
+ smp_xcall(0, __bcm_kona_smc, &data, XCALL_TYPE_SYNC);
return data.result;
}
diff --git a/arch/arm/mach-mvebu/pmsu.c b/arch/arm/mach-mvebu/pmsu.c
index 73d5d72dfc3e..dac1587c22b0 100644
--- a/arch/arm/mach-mvebu/pmsu.c
+++ b/arch/arm/mach-mvebu/pmsu.c
@@ -585,8 +585,8 @@ int mvebu_pmsu_dfs_request(int cpu)
writel(reg, pmsu_mp_base + PMSU_EVENT_STATUS_AND_MASK(hwcpu));
/* Trigger the DFS on the appropriate CPU */
- smp_call_function_single(cpu, mvebu_pmsu_dfs_request_local,
- NULL, false);
+ smp_xcall(cpu, mvebu_pmsu_dfs_request_local,
+ NULL, XCALL_TYPE_ASYNC);
/* Poll until the DFS done event is generated */
timeout = jiffies + HZ;
diff --git a/arch/arm64/kernel/topology.c b/arch/arm64/kernel/topology.c
index 9ab78ad826e2..4e2651822281 100644
--- a/arch/arm64/kernel/topology.c
+++ b/arch/arm64/kernel/topology.c
@@ -331,7 +331,7 @@ int counters_read_on_cpu(int cpu, smp_call_func_t func, u64 *val)
if (WARN_ON_ONCE(irqs_disabled()))
return -EPERM;
- smp_call_function_single(cpu, func, val, 1);
+ smp_xcall(cpu, func, val, XCALL_TYPE_SYNC);
return 0;
}
diff --git a/arch/csky/kernel/cpu-probe.c b/arch/csky/kernel/cpu-probe.c
index 5f15ca31d3e8..860bb2233d20 100644
--- a/arch/csky/kernel/cpu-probe.c
+++ b/arch/csky/kernel/cpu-probe.c
@@ -48,7 +48,7 @@ static int c_show(struct seq_file *m, void *v)
int cpu;
for_each_online_cpu(cpu)
- smp_call_function_single(cpu, percpu_print, m, true);
+ smp_xcall(cpu, percpu_print, m, XCALL_TYPE_SYNC);
#ifdef CSKY_ARCH_VERSION
seq_printf(m, "arch-version : %s\n", CSKY_ARCH_VERSION);
diff --git a/arch/ia64/kernel/palinfo.c b/arch/ia64/kernel/palinfo.c
index 64189f04c1a4..0b2885ab08f8 100644
--- a/arch/ia64/kernel/palinfo.c
+++ b/arch/ia64/kernel/palinfo.c
@@ -844,7 +844,8 @@ int palinfo_handle_smp(struct seq_file *m, pal_func_cpu_u_t *f)
/* will send IPI to other CPU and wait for completion of remote call */
- if ((ret=smp_call_function_single(f->req_cpu, palinfo_smp_call, &ptr, 1))) {
+ ret = smp_xcall(f->req_cpu, palinfo_smp_call, &ptr, XCALL_TYPE_SYNC);
+ if (ret) {
printk(KERN_ERR "palinfo: remote CPU call from %d to %d on function %d: "
"error %d\n", smp_processor_id(), f->req_cpu, f->func_id, ret);
return 0;
diff --git a/arch/ia64/kernel/smpboot.c b/arch/ia64/kernel/smpboot.c
index d10f780c13b9..f552fa6c69bb 100644
--- a/arch/ia64/kernel/smpboot.c
+++ b/arch/ia64/kernel/smpboot.c
@@ -295,7 +295,7 @@ ia64_sync_itc (unsigned int master)
go[MASTER] = 1;
- if (smp_call_function_single(master, sync_master, NULL, 0) < 0) {
+ if (smp_xcall(master, sync_master, NULL, XCALL_TYPE_ASYNC) < 0) {
printk(KERN_ERR "sync_itc: failed to get attention of CPU %u!\n", master);
return;
}
diff --git a/arch/mips/kernel/smp-bmips.c b/arch/mips/kernel/smp-bmips.c
index f5d7bfa3472a..7c5ab463bf51 100644
--- a/arch/mips/kernel/smp-bmips.c
+++ b/arch/mips/kernel/smp-bmips.c
@@ -488,8 +488,7 @@ static void bmips_set_reset_vec_remote(void *vinfo)
preempt_disable();
if (smp_processor_id() > 0) {
- smp_call_function_single(0, &bmips_set_reset_vec_remote,
- info, 1);
+ smp_xcall(0, &bmips_set_reset_vec_remote, info, XCALL_TYPE_SYNC);
} else {
if (info->cpu & 0x02) {
/* BMIPS5200 "should" use mask/shift, but it's buggy */
diff --git a/arch/mips/kernel/smp-cps.c b/arch/mips/kernel/smp-cps.c
index bcd6a944b839..ad9178617167 100644
--- a/arch/mips/kernel/smp-cps.c
+++ b/arch/mips/kernel/smp-cps.c
@@ -341,8 +341,7 @@ static int cps_boot_secondary(int cpu, struct task_struct *idle)
goto out;
}
- err = smp_call_function_single(remote, remote_vpe_boot,
- NULL, 1);
+ err = smp_xcall(remote, remote_vpe_boot, NULL, XCALL_TYPE_SYNC);
if (err)
panic("Failed to call remote CPU\n");
goto out;
@@ -587,9 +586,8 @@ static void cps_cpu_die(unsigned int cpu)
* Have a CPU with access to the offlined CPUs registers wait
* for its TC to halt.
*/
- err = smp_call_function_single(cpu_death_sibling,
- wait_for_sibling_halt,
- (void *)(unsigned long)cpu, 1);
+ err = smp_xcall(cpu_death_sibling, wait_for_sibling_halt,
+ (void *)(unsigned long)cpu, XCALL_TYPE_SYNC);
if (err)
panic("Failed to call remote sibling CPU\n");
} else if (cpu_has_vp) {
diff --git a/arch/powerpc/kernel/sysfs.c b/arch/powerpc/kernel/sysfs.c
index 0ce6aff8eca0..77fc1c56598c 100644
--- a/arch/powerpc/kernel/sysfs.c
+++ b/arch/powerpc/kernel/sysfs.c
@@ -98,7 +98,7 @@ static ssize_t show_##NAME(struct device *dev, \
{ \
struct cpu *cpu = container_of(dev, struct cpu, dev); \
unsigned long val; \
- smp_call_function_single(cpu->dev.id, read_##NAME, &val, 1); \
+ smp_xcall(cpu->dev.id, read_##NAME, &val, XCALL_TYPE_SYNC); \
return sprintf(buf, "%lx\n", val); \
} \
static ssize_t __used \
@@ -110,7 +110,7 @@ static ssize_t __used \
int ret = sscanf(buf, "%lx", &val); \
if (ret != 1) \
return -EINVAL; \
- smp_call_function_single(cpu->dev.id, write_##NAME, &val, 1); \
+ smp_xcall(cpu->dev.id, write_##NAME, &val, XCALL_TYPE_SYNC); \
return count; \
}
@@ -262,7 +262,7 @@ static ssize_t show_pw20_state(struct device *dev,
u32 value;
unsigned int cpu = dev->id;
- smp_call_function_single(cpu, do_show_pwrmgtcr0, &value, 1);
+ smp_xcall(cpu, do_show_pwrmgtcr0, &value, XCALL_TYPE_SYNC);
value &= PWRMGTCR0_PW20_WAIT;
@@ -297,7 +297,7 @@ static ssize_t store_pw20_state(struct device *dev,
if (value > 1)
return -EINVAL;
- smp_call_function_single(cpu, do_store_pw20_state, &value, 1);
+ smp_xcall(cpu, do_store_pw20_state, &value, XCALL_TYPE_SYNC);
return count;
}
@@ -312,7 +312,7 @@ static ssize_t show_pw20_wait_time(struct device *dev,
unsigned int cpu = dev->id;
if (!pw20_wt) {
- smp_call_function_single(cpu, do_show_pwrmgtcr0, &value, 1);
+ smp_xcall(cpu, do_show_pwrmgtcr0, &value, XCALL_TYPE_SYNC);
value = (value & PWRMGTCR0_PW20_ENT) >>
PWRMGTCR0_PW20_ENT_SHIFT;
@@ -372,8 +372,7 @@ static ssize_t store_pw20_wait_time(struct device *dev,
pw20_wt = value;
- smp_call_function_single(cpu, set_pw20_wait_entry_bit,
- &entry_bit, 1);
+ smp_xcall(cpu, set_pw20_wait_entry_bit, &entry_bit, XCALL_TYPE_SYNC);
return count;
}
@@ -384,7 +383,7 @@ static ssize_t show_altivec_idle(struct device *dev,
u32 value;
unsigned int cpu = dev->id;
- smp_call_function_single(cpu, do_show_pwrmgtcr0, &value, 1);
+ smp_xcall(cpu, do_show_pwrmgtcr0, &value, XCALL_TYPE_SYNC);
value &= PWRMGTCR0_AV_IDLE_PD_EN;
@@ -419,7 +418,7 @@ static ssize_t store_altivec_idle(struct device *dev,
if (value > 1)
return -EINVAL;
- smp_call_function_single(cpu, do_store_altivec_idle, &value, 1);
+ smp_xcall(cpu, do_store_altivec_idle, &value, XCALL_TYPE_SYNC);
return count;
}
@@ -434,7 +433,7 @@ static ssize_t show_altivec_idle_wait_time(struct device *dev,
unsigned int cpu = dev->id;
if (!altivec_idle_wt) {
- smp_call_function_single(cpu, do_show_pwrmgtcr0, &value, 1);
+ smp_xcall(cpu, do_show_pwrmgtcr0, &value, XCALL_TYPE_SYNC);
value = (value & PWRMGTCR0_AV_IDLE_CNT) >>
PWRMGTCR0_AV_IDLE_CNT_SHIFT;
@@ -494,8 +493,7 @@ static ssize_t store_altivec_idle_wait_time(struct device *dev,
altivec_idle_wt = value;
- smp_call_function_single(cpu, set_altivec_idle_wait_entry_bit,
- &entry_bit, 1);
+ smp_xcall(cpu, set_altivec_idle_wait_entry_bit, &entry_bit, XCALL_TYPE_SYNC);
return count;
}
@@ -768,7 +766,7 @@ static ssize_t idle_purr_show(struct device *dev,
struct cpu *cpu = container_of(dev, struct cpu, dev);
u64 val;
- smp_call_function_single(cpu->dev.id, read_idle_purr, &val, 1);
+ smp_xcall(cpu->dev.id, read_idle_purr, &val, XCALL_TYPE_SYNC);
return sprintf(buf, "%llx\n", val);
}
static DEVICE_ATTR(idle_purr, 0400, idle_purr_show, NULL);
@@ -798,7 +796,7 @@ static ssize_t idle_spurr_show(struct device *dev,
struct cpu *cpu = container_of(dev, struct cpu, dev);
u64 val;
- smp_call_function_single(cpu->dev.id, read_idle_spurr, &val, 1);
+ smp_xcall(cpu->dev.id, read_idle_spurr, &val, XCALL_TYPE_SYNC);
return sprintf(buf, "%llx\n", val);
}
static DEVICE_ATTR(idle_spurr, 0400, idle_spurr_show, NULL);
diff --git a/arch/powerpc/kernel/watchdog.c b/arch/powerpc/kernel/watchdog.c
index bfc27496fe7e..4afea23b9b28 100644
--- a/arch/powerpc/kernel/watchdog.c
+++ b/arch/powerpc/kernel/watchdog.c
@@ -499,7 +499,7 @@ static void start_watchdog(void *arg)
static int start_watchdog_on_cpu(unsigned int cpu)
{
- return smp_call_function_single(cpu, start_watchdog, NULL, true);
+ return smp_xcall(cpu, start_watchdog, NULL, XCALL_TYPE_SYNC);
}
static void stop_watchdog(void *arg)
@@ -522,7 +522,7 @@ static void stop_watchdog(void *arg)
static int stop_watchdog_on_cpu(unsigned int cpu)
{
- return smp_call_function_single(cpu, stop_watchdog, NULL, true);
+ return smp_xcall(cpu, stop_watchdog, NULL, XCALL_TYPE_SYNC);
}
static void watchdog_calc_timeouts(void)
diff --git a/arch/powerpc/kvm/book3s_hv.c b/arch/powerpc/kvm/book3s_hv.c
index 6fa518f6501d..86afa4e9fce4 100644
--- a/arch/powerpc/kvm/book3s_hv.c
+++ b/arch/powerpc/kvm/book3s_hv.c
@@ -1392,7 +1392,7 @@ static unsigned long kvmppc_read_dpdes(struct kvm_vcpu *vcpu)
*/
pcpu = READ_ONCE(v->cpu);
if (pcpu >= 0)
- smp_call_function_single(pcpu, do_nothing, NULL, 1);
+ smp_xcall(pcpu, do_nothing, NULL, XCALL_TYPE_SYNC);
if (kvmppc_doorbell_pending(v))
dpdes |= 1 << thr;
}
@@ -3082,7 +3082,7 @@ static void radix_flush_cpu(struct kvm *kvm, int cpu, struct kvm_vcpu *vcpu)
struct kvm *running = *per_cpu_ptr(&cpu_in_guest, i);
if (running == kvm)
- smp_call_function_single(i, do_nothing, NULL, 1);
+ smp_xcall(i, do_nothing, NULL, XCALL_TYPE_SYNC);
}
}
@@ -3136,8 +3136,8 @@ static void kvmppc_prepare_radix_vcpu(struct kvm_vcpu *vcpu, int pcpu)
cpu_first_tlb_thread_sibling(pcpu))
radix_flush_cpu(kvm, prev_cpu, vcpu);
- smp_call_function_single(prev_cpu,
- do_migrate_away_vcpu, vcpu, 1);
+ smp_xcall(prev_cpu, do_migrate_away_vcpu,
+ vcpu, XCALL_TYPE_SYNC);
}
if (nested)
nested->prev_cpu[vcpu->arch.nested_vcpu_id] = pcpu;
diff --git a/arch/powerpc/platforms/85xx/smp.c b/arch/powerpc/platforms/85xx/smp.c
index ca4995a39884..25f20650a024 100644
--- a/arch/powerpc/platforms/85xx/smp.c
+++ b/arch/powerpc/platforms/85xx/smp.c
@@ -300,12 +300,10 @@ static int smp_85xx_kick_cpu(int nr)
* the other.
*/
if (cpu_online(primary)) {
- smp_call_function_single(primary,
- wake_hw_thread, &nr, 1);
+ smp_xcall(primary, wake_hw_thread, &nr, XCALL_TYPE_SYNC);
goto done;
} else if (cpu_online(primary + 1)) {
- smp_call_function_single(primary + 1,
- wake_hw_thread, &nr, 1);
+ smp_xcall(primary + 1, wake_hw_thread, &nr, XCALL_TYPE_SYNC);
goto done;
}
diff --git a/arch/sparc/kernel/nmi.c b/arch/sparc/kernel/nmi.c
index ff789082d5ab..311e854396e2 100644
--- a/arch/sparc/kernel/nmi.c
+++ b/arch/sparc/kernel/nmi.c
@@ -297,7 +297,7 @@ int watchdog_nmi_enable(unsigned int cpu)
if (!nmi_init_done)
return 0;
- smp_call_function_single(cpu, start_nmi_watchdog, NULL, 1);
+ smp_xcall(cpu, start_nmi_watchdog, NULL, XCALL_TYPE_SYNC);
return 0;
}
@@ -310,5 +310,5 @@ void watchdog_nmi_disable(unsigned int cpu)
if (atomic_read(&nmi_active) == -1)
pr_warn_once("NMI watchdog cannot be enabled or disabled\n");
else
- smp_call_function_single(cpu, stop_nmi_watchdog, NULL, 1);
+ smp_xcall(cpu, stop_nmi_watchdog, NULL, XCALL_TYPE_SYNC);
}
diff --git a/arch/x86/kernel/apic/vector.c b/arch/x86/kernel/apic/vector.c
index 3e6f6b448f6a..2ab86f7848a4 100644
--- a/arch/x86/kernel/apic/vector.c
+++ b/arch/x86/kernel/apic/vector.c
@@ -1266,7 +1266,7 @@ static void __init print_local_APICs(int maxcpu)
for_each_online_cpu(cpu) {
if (cpu >= maxcpu)
break;
- smp_call_function_single(cpu, print_local_APIC, NULL, 1);
+ smp_xcall(cpu, print_local_APIC, NULL, XCALL_TYPE_SYNC);
}
preempt_enable();
}
diff --git a/arch/x86/kernel/cpu/aperfmperf.c b/arch/x86/kernel/cpu/aperfmperf.c
index 9ca008f9e9b1..c83dc3148bf0 100644
--- a/arch/x86/kernel/cpu/aperfmperf.c
+++ b/arch/x86/kernel/cpu/aperfmperf.c
@@ -77,7 +77,8 @@ static bool aperfmperf_snapshot_cpu(int cpu, ktime_t now, bool wait)
return true;
if (!atomic_xchg(&s->scfpending, 1) || wait)
- smp_call_function_single(cpu, aperfmperf_snapshot_khz, NULL, wait);
+ smp_xcall(cpu, aperfmperf_snapshot_khz, NULL,
+ (wait ? XCALL_TYPE_SYNC : XCALL_TYPE_ASYNC));
/* Return false if the previous iteration was too long ago. */
return time_delta <= APERFMPERF_STALE_THRESHOLD_MS;
@@ -145,7 +146,7 @@ unsigned int arch_freq_get_on_cpu(int cpu)
msleep(APERFMPERF_REFRESH_DELAY_MS);
atomic_set(&s->scfpending, 1);
smp_mb(); /* ->scfpending before smp_call_function_single(). */
- smp_call_function_single(cpu, aperfmperf_snapshot_khz, NULL, 1);
+ smp_xcall(cpu, aperfmperf_snapshot_khz, NULL, XCALL_TYPE_SYNC);
return per_cpu(samples.khz, cpu);
}
diff --git a/arch/x86/kernel/cpu/mce/amd.c b/arch/x86/kernel/cpu/mce/amd.c
index 1940d305db1c..c7f928abbaf6 100644
--- a/arch/x86/kernel/cpu/mce/amd.c
+++ b/arch/x86/kernel/cpu/mce/amd.c
@@ -929,7 +929,7 @@ store_interrupt_enable(struct threshold_block *b, const char *buf, size_t size)
memset(&tr, 0, sizeof(tr));
tr.b = b;
- if (smp_call_function_single(b->cpu, threshold_restart_bank, &tr, 1))
+ if (smp_xcall(b->cpu, threshold_restart_bank, &tr, XCALL_TYPE_SYNC))
return -ENODEV;
return size;
@@ -954,7 +954,7 @@ store_threshold_limit(struct threshold_block *b, const char *buf, size_t size)
b->threshold_limit = new;
tr.b = b;
- if (smp_call_function_single(b->cpu, threshold_restart_bank, &tr, 1))
+ if (smp_xcall(b->cpu, threshold_restart_bank, &tr, XCALL_TYPE_SYNC))
return -ENODEV;
return size;
diff --git a/arch/x86/kernel/cpu/mce/inject.c b/arch/x86/kernel/cpu/mce/inject.c
index f23445733020..d72076155246 100644
--- a/arch/x86/kernel/cpu/mce/inject.c
+++ b/arch/x86/kernel/cpu/mce/inject.c
@@ -550,19 +550,19 @@ static void do_inject(void)
i_mce.mcgstatus = mcg_status;
i_mce.inject_flags = inj_type;
- smp_call_function_single(cpu, prepare_msrs, &i_mce, 0);
+ smp_xcall(cpu, prepare_msrs, &i_mce, XCALL_TYPE_ASYNC);
toggle_hw_mce_inject(cpu, false);
switch (inj_type) {
case DFR_INT_INJ:
- smp_call_function_single(cpu, trigger_dfr_int, NULL, 0);
+ smp_xcall(cpu, trigger_dfr_int, NULL, XCALL_TYPE_ASYNC);
break;
case THR_INT_INJ:
- smp_call_function_single(cpu, trigger_thr_int, NULL, 0);
+ smp_xcall(cpu, trigger_thr_int, NULL, XCALL_TYPE_ASYNC);
break;
default:
- smp_call_function_single(cpu, trigger_mce, NULL, 0);
+ smp_xcall(cpu, trigger_mce, NULL, XCALL_TYPE_ASYNC);
}
err:
diff --git a/arch/x86/kernel/cpu/microcode/core.c b/arch/x86/kernel/cpu/microcode/core.c
index f955d25076ba..3fbf83934e58 100644
--- a/arch/x86/kernel/cpu/microcode/core.c
+++ b/arch/x86/kernel/cpu/microcode/core.c
@@ -332,7 +332,7 @@ static int collect_cpu_info_on_target(int cpu, struct cpu_signature *cpu_sig)
struct cpu_info_ctx ctx = { .cpu_sig = cpu_sig, .err = 0 };
int ret;
- ret = smp_call_function_single(cpu, collect_cpu_info_local, &ctx, 1);
+ ret = smp_xcall(cpu, collect_cpu_info_local, &ctx, XCALL_TYPE_SYNC);
if (!ret)
ret = ctx.err;
@@ -365,7 +365,7 @@ static int apply_microcode_on_target(int cpu)
enum ucode_state err;
int ret;
- ret = smp_call_function_single(cpu, apply_microcode_local, &err, 1);
+ ret = smp_xcall(cpu, apply_microcode_local, &err, XCALL_TYPE_SYNC);
if (!ret) {
if (err == UCODE_ERROR)
ret = 1;
diff --git a/arch/x86/kernel/cpu/mtrr/mtrr.c b/arch/x86/kernel/cpu/mtrr/mtrr.c
index 2746cac9d8a9..cdaab335e66d 100644
--- a/arch/x86/kernel/cpu/mtrr/mtrr.c
+++ b/arch/x86/kernel/cpu/mtrr/mtrr.c
@@ -820,7 +820,7 @@ void mtrr_save_state(void)
return;
first_cpu = cpumask_first(cpu_online_mask);
- smp_call_function_single(first_cpu, mtrr_save_fixed_ranges, NULL, 1);
+ smp_xcall(first_cpu, mtrr_save_fixed_ranges, NULL, XCALL_TYPE_SYNC);
}
void set_mtrr_aps_delayed_init(void)
diff --git a/arch/x86/kernel/cpu/resctrl/rdtgroup.c b/arch/x86/kernel/cpu/resctrl/rdtgroup.c
index 2fee32deb701..5c742a14bfba 100644
--- a/arch/x86/kernel/cpu/resctrl/rdtgroup.c
+++ b/arch/x86/kernel/cpu/resctrl/rdtgroup.c
@@ -541,7 +541,7 @@ static void _update_task_closid_rmid(void *task)
static void update_task_closid_rmid(struct task_struct *t)
{
if (IS_ENABLED(CONFIG_SMP) && task_curr(t))
- smp_call_function_single(task_cpu(t), _update_task_closid_rmid, t, 1);
+ smp_xcall(task_cpu(t), _update_task_closid_rmid, t, XCALL_TYPE_SYNC);
else
_update_task_closid_rmid(t);
}
diff --git a/arch/x86/kernel/kvm.c b/arch/x86/kernel/kvm.c
index 9ba37c13df7b..b7b1ed4c19fa 100644
--- a/arch/x86/kernel/kvm.c
+++ b/arch/x86/kernel/kvm.c
@@ -1118,7 +1118,7 @@ void arch_haltpoll_enable(unsigned int cpu)
}
/* Enable guest halt poll disables host halt poll */
- smp_call_function_single(cpu, kvm_disable_host_haltpoll, NULL, 1);
+ smp_xcall(cpu, kvm_disable_host_haltpoll, NULL, XCALL_TYPE_SYNC);
}
EXPORT_SYMBOL_GPL(arch_haltpoll_enable);
@@ -1128,7 +1128,7 @@ void arch_haltpoll_disable(unsigned int cpu)
return;
/* Disable guest halt poll enables host halt poll */
- smp_call_function_single(cpu, kvm_enable_host_haltpoll, NULL, 1);
+ smp_xcall(cpu, kvm_enable_host_haltpoll, NULL, XCALL_TYPE_SYNC);
}
EXPORT_SYMBOL_GPL(arch_haltpoll_disable);
#endif
diff --git a/arch/x86/kvm/vmx/vmx.c b/arch/x86/kvm/vmx/vmx.c
index 04d170c4b61e..506e3aa50d9f 100644
--- a/arch/x86/kvm/vmx/vmx.c
+++ b/arch/x86/kvm/vmx/vmx.c
@@ -656,8 +656,7 @@ void loaded_vmcs_clear(struct loaded_vmcs *loaded_vmcs)
int cpu = loaded_vmcs->cpu;
if (cpu != -1)
- smp_call_function_single(cpu,
- __loaded_vmcs_clear, loaded_vmcs, 1);
+ smp_xcall(cpu, __loaded_vmcs_clear, loaded_vmcs, XCALL_TYPE_SYNC);
}
static bool vmx_segment_cache_test_set(struct vcpu_vmx *vmx, unsigned seg,
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 02b84f0bdff2..278262506de0 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -4552,8 +4552,7 @@ void kvm_arch_vcpu_load(struct kvm_vcpu *vcpu, int cpu)
if (static_call(kvm_x86_has_wbinvd_exit)())
cpumask_set_cpu(cpu, vcpu->arch.wbinvd_dirty_mask);
else if (vcpu->cpu != -1 && vcpu->cpu != cpu)
- smp_call_function_single(vcpu->cpu,
- wbinvd_ipi, NULL, 1);
+ smp_xcall(vcpu->cpu, wbinvd_ipi, NULL, XCALL_TYPE_SYNC);
}
static_call(kvm_x86_vcpu_load)(vcpu, cpu);
@@ -8730,7 +8729,7 @@ static void __kvmclock_cpufreq_notifier(struct cpufreq_freqs *freq, int cpu)
*
*/
- smp_call_function_single(cpu, tsc_khz_changed, freq, 1);
+ smp_xcall(cpu, tsc_khz_changed, freq, XCALL_TYPE_SYNC);
mutex_lock(&kvm_lock);
list_for_each_entry(kvm, &vm_list, vm_list) {
@@ -8757,7 +8756,7 @@ static void __kvmclock_cpufreq_notifier(struct cpufreq_freqs *freq, int cpu)
* guest context is entered kvmclock will be updated,
* so the guest will not see stale values.
*/
- smp_call_function_single(cpu, tsc_khz_changed, freq, 1);
+ smp_xcall(cpu, tsc_khz_changed, freq, XCALL_TYPE_SYNC);
}
}
diff --git a/arch/x86/lib/cache-smp.c b/arch/x86/lib/cache-smp.c
index d81977b85228..34d4619b4c58 100644
--- a/arch/x86/lib/cache-smp.c
+++ b/arch/x86/lib/cache-smp.c
@@ -9,7 +9,7 @@ static void __wbinvd(void *dummy)
void wbinvd_on_cpu(int cpu)
{
- smp_call_function_single(cpu, __wbinvd, NULL, 1);
+ smp_xcall(cpu, __wbinvd, NULL, XCALL_TYPE_SYNC);
}
EXPORT_SYMBOL(wbinvd_on_cpu);
diff --git a/arch/x86/lib/msr-smp.c b/arch/x86/lib/msr-smp.c
index 8c6b85bdc2d3..bff5f9b59c06 100644
--- a/arch/x86/lib/msr-smp.c
+++ b/arch/x86/lib/msr-smp.c
@@ -41,7 +41,7 @@ int rdmsr_on_cpu(unsigned int cpu, u32 msr_no, u32 *l, u32 *h)
memset(&rv, 0, sizeof(rv));
rv.msr_no = msr_no;
- err = smp_call_function_single(cpu, __rdmsr_on_cpu, &rv, 1);
+ err = smp_xcall(cpu, __rdmsr_on_cpu, &rv, XCALL_TYPE_SYNC);
*l = rv.reg.l;
*h = rv.reg.h;
@@ -57,7 +57,7 @@ int rdmsrl_on_cpu(unsigned int cpu, u32 msr_no, u64 *q)
memset(&rv, 0, sizeof(rv));
rv.msr_no = msr_no;
- err = smp_call_function_single(cpu, __rdmsr_on_cpu, &rv, 1);
+ err = smp_xcall(cpu, __rdmsr_on_cpu, &rv, XCALL_TYPE_SYNC);
*q = rv.reg.q;
return err;
@@ -74,7 +74,7 @@ int wrmsr_on_cpu(unsigned int cpu, u32 msr_no, u32 l, u32 h)
rv.msr_no = msr_no;
rv.reg.l = l;
rv.reg.h = h;
- err = smp_call_function_single(cpu, __wrmsr_on_cpu, &rv, 1);
+ err = smp_xcall(cpu, __wrmsr_on_cpu, &rv, XCALL_TYPE_SYNC);
return err;
}
@@ -90,7 +90,7 @@ int wrmsrl_on_cpu(unsigned int cpu, u32 msr_no, u64 q)
rv.msr_no = msr_no;
rv.reg.q = q;
- err = smp_call_function_single(cpu, __wrmsr_on_cpu, &rv, 1);
+ err = smp_xcall(cpu, __wrmsr_on_cpu, &rv, XCALL_TYPE_SYNC);
return err;
}
@@ -200,7 +200,7 @@ int wrmsr_safe_on_cpu(unsigned int cpu, u32 msr_no, u32 l, u32 h)
rv.msr_no = msr_no;
rv.reg.l = l;
rv.reg.h = h;
- err = smp_call_function_single(cpu, __wrmsr_safe_on_cpu, &rv, 1);
+ err = smp_xcall(cpu, __wrmsr_safe_on_cpu, &rv, XCALL_TYPE_SYNC);
return err ? err : rv.err;
}
@@ -216,7 +216,7 @@ int wrmsrl_safe_on_cpu(unsigned int cpu, u32 msr_no, u64 q)
rv.msr_no = msr_no;
rv.reg.q = q;
- err = smp_call_function_single(cpu, __wrmsr_safe_on_cpu, &rv, 1);
+ err = smp_xcall(cpu, __wrmsr_safe_on_cpu, &rv, XCALL_TYPE_SYNC);
return err ? err : rv.err;
}
@@ -259,7 +259,7 @@ int rdmsr_safe_regs_on_cpu(unsigned int cpu, u32 regs[8])
rv.regs = regs;
rv.err = -EIO;
- err = smp_call_function_single(cpu, __rdmsr_safe_regs_on_cpu, &rv, 1);
+ err = smp_xcall(cpu, __rdmsr_safe_regs_on_cpu, &rv, XCALL_TYPE_SYNC);
return err ? err : rv.err;
}
@@ -272,7 +272,7 @@ int wrmsr_safe_regs_on_cpu(unsigned int cpu, u32 regs[8])
rv.regs = regs;
rv.err = -EIO;
- err = smp_call_function_single(cpu, __wrmsr_safe_regs_on_cpu, &rv, 1);
+ err = smp_xcall(cpu, __wrmsr_safe_regs_on_cpu, &rv, XCALL_TYPE_SYNC);
return err ? err : rv.err;
}
diff --git a/arch/x86/xen/mmu_pv.c b/arch/x86/xen/mmu_pv.c
index 1938d08b20e7..e738e570284f 100644
--- a/arch/x86/xen/mmu_pv.c
+++ b/arch/x86/xen/mmu_pv.c
@@ -930,7 +930,7 @@ static void xen_drop_mm_ref(struct mm_struct *mm)
for_each_online_cpu(cpu) {
if (per_cpu(xen_current_cr3, cpu) != __pa(mm->pgd))
continue;
- smp_call_function_single(cpu, drop_mm_ref_this_cpu, mm, 1);
+ smp_xcall(cpu, drop_mm_ref_this_cpu, mm, XCALL_TYPE_SYNC);
}
return;
}
diff --git a/arch/xtensa/kernel/smp.c b/arch/xtensa/kernel/smp.c
index b2d126510c9f..b36e28fb5b61 100644
--- a/arch/xtensa/kernel/smp.c
+++ b/arch/xtensa/kernel/smp.c
@@ -201,7 +201,7 @@ static int boot_secondary(unsigned int cpu, struct task_struct *ts)
system_flush_invalidate_dcache_range((unsigned long)&cpu_start_id,
sizeof(cpu_start_id));
#endif
- smp_call_function_single(0, mx_cpu_start, (void *)cpu, 1);
+ smp_xcall(0, mx_cpu_start, (void *)cpu, XCALL_TYPE_SYNC);
for (i = 0; i < 2; ++i) {
do
@@ -220,8 +220,7 @@ static int boot_secondary(unsigned int cpu, struct task_struct *ts)
} while (ccount && time_before(jiffies, timeout));
if (ccount) {
- smp_call_function_single(0, mx_cpu_stop,
- (void *)cpu, 1);
+ smp_xcall(0, mx_cpu_stop, (void *)cpu, XCALL_TYPE_SYNC);
WRITE_ONCE(cpu_start_ccount, 0);
return -EIO;
}
@@ -292,7 +291,7 @@ int __cpu_disable(void)
static void platform_cpu_kill(unsigned int cpu)
{
- smp_call_function_single(0, mx_cpu_stop, (void *)cpu, true);
+ smp_xcall(0, mx_cpu_stop, (void *)cpu, XCALL_TYPE_SYNC);
}
/*
diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c
index 4556c86c3465..49a656d954b5 100644
--- a/drivers/acpi/processor_idle.c
+++ b/drivers/acpi/processor_idle.c
@@ -160,8 +160,8 @@ static void __lapic_timer_propagate_broadcast(void *arg)
static void lapic_timer_propagate_broadcast(struct acpi_processor *pr)
{
- smp_call_function_single(pr->id, __lapic_timer_propagate_broadcast,
- (void *)pr, 1);
+ smp_xcall(pr->id, __lapic_timer_propagate_broadcast,
+ (void *)pr, XCALL_TYPE_SYNC);
}
/* Power(C) State timer broadcast control */
diff --git a/drivers/cpufreq/powernow-k8.c b/drivers/cpufreq/powernow-k8.c
index d289036beff2..160e3bd1e080 100644
--- a/drivers/cpufreq/powernow-k8.c
+++ b/drivers/cpufreq/powernow-k8.c
@@ -1025,7 +1025,7 @@ static int powernowk8_cpu_init(struct cpufreq_policy *pol)
struct init_on_cpu init_on_cpu;
int rc, cpu;
- smp_call_function_single(pol->cpu, check_supported_cpu, &rc, 1);
+ smp_xcall(pol->cpu, check_supported_cpu, &rc, XCALL_TYPE_SYNC);
if (rc)
return -ENODEV;
@@ -1062,8 +1062,7 @@ static int powernowk8_cpu_init(struct cpufreq_policy *pol)
/* only run on specific CPU from here on */
init_on_cpu.data = data;
- smp_call_function_single(data->cpu, powernowk8_cpu_init_on_cpu,
- &init_on_cpu, 1);
+ smp_xcall(data->cpu, powernowk8_cpu_init_on_cpu, &init_on_cpu, XCALL_TYPE_SYNC);
rc = init_on_cpu.rc;
if (rc != 0)
goto err_out_exit_acpi;
@@ -1124,7 +1123,7 @@ static unsigned int powernowk8_get(unsigned int cpu)
if (!data)
return 0;
- smp_call_function_single(cpu, query_values_on_cpu, &err, true);
+ smp_xcall(cpu, query_values_on_cpu, &err, XCALL_TYPE_SYNC);
if (err)
goto out;
@@ -1182,7 +1181,7 @@ static int powernowk8_init(void)
cpus_read_lock();
for_each_online_cpu(i) {
- smp_call_function_single(i, check_supported_cpu, &ret, 1);
+ smp_xcall(i, check_supported_cpu, &ret, XCALL_TYPE_SYNC);
if (!ret)
supported_cpus++;
}
diff --git a/drivers/cpufreq/powernv-cpufreq.c b/drivers/cpufreq/powernv-cpufreq.c
index aa7a02e1c647..755cebdd19a4 100644
--- a/drivers/cpufreq/powernv-cpufreq.c
+++ b/drivers/cpufreq/powernv-cpufreq.c
@@ -883,7 +883,7 @@ static int powernv_cpufreq_cpu_exit(struct cpufreq_policy *policy)
freq_data.pstate_id = idx_to_pstate(powernv_pstate_info.min);
freq_data.gpstate_id = idx_to_pstate(powernv_pstate_info.min);
- smp_call_function_single(policy->cpu, set_pstate, &freq_data, 1);
+ smp_xcall(policy->cpu, set_pstate, &freq_data, XCALL_TYPE_SYNC);
if (gpstates)
del_timer_sync(&gpstates->timer);
diff --git a/drivers/cpufreq/sparc-us2e-cpufreq.c b/drivers/cpufreq/sparc-us2e-cpufreq.c
index 92acbb25abb3..848e3d2d7970 100644
--- a/drivers/cpufreq/sparc-us2e-cpufreq.c
+++ b/drivers/cpufreq/sparc-us2e-cpufreq.c
@@ -236,7 +236,7 @@ static unsigned int us2e_freq_get(unsigned int cpu)
unsigned long clock_tick, estar;
clock_tick = sparc64_get_clock_tick(cpu) / 1000;
- if (smp_call_function_single(cpu, __us2e_freq_get, &estar, 1))
+ if (smp_xcall(cpu, __us2e_freq_get, &estar, XCALL_TYPE_SYNC))
return 0;
return clock_tick / estar_to_divisor(estar);
@@ -268,7 +268,7 @@ static int us2e_freq_target(struct cpufreq_policy *policy, unsigned int index)
{
unsigned int cpu = policy->cpu;
- return smp_call_function_single(cpu, __us2e_freq_target, &index, 1);
+ return smp_xcall(cpu, __us2e_freq_target, &index, XCALL_TYPE_SYNC);
}
static int __init us2e_freq_cpu_init(struct cpufreq_policy *policy)
diff --git a/drivers/cpufreq/sparc-us3-cpufreq.c b/drivers/cpufreq/sparc-us3-cpufreq.c
index e41b35b16afd..8791579286a4 100644
--- a/drivers/cpufreq/sparc-us3-cpufreq.c
+++ b/drivers/cpufreq/sparc-us3-cpufreq.c
@@ -87,7 +87,7 @@ static unsigned int us3_freq_get(unsigned int cpu)
{
unsigned long reg;
- if (smp_call_function_single(cpu, read_safari_cfg, ®, 1))
+ if (smp_xcall(cpu, read_safari_cfg, ®, XCALL_TYPE_SYNC))
return 0;
return get_current_freq(cpu, reg);
}
@@ -116,7 +116,7 @@ static int us3_freq_target(struct cpufreq_policy *policy, unsigned int index)
BUG();
}
- return smp_call_function_single(cpu, update_safari_cfg, &new_bits, 1);
+ return smp_xcall(cpu, update_safari_cfg, &new_bits, XCALL_TYPE_SYNC);
}
static int __init us3_freq_cpu_init(struct cpufreq_policy *policy)
diff --git a/drivers/cpufreq/speedstep-ich.c b/drivers/cpufreq/speedstep-ich.c
index f2076d72bf39..0f3410098a92 100644
--- a/drivers/cpufreq/speedstep-ich.c
+++ b/drivers/cpufreq/speedstep-ich.c
@@ -243,7 +243,7 @@ static unsigned int speedstep_get(unsigned int cpu)
unsigned int speed;
/* You're supposed to ensure CPU is online. */
- BUG_ON(smp_call_function_single(cpu, get_freq_data, &speed, 1));
+ BUG_ON(smp_xcall(cpu, get_freq_data, &speed, XCALL_TYPE_SYNC));
pr_debug("detected %u kHz as current frequency\n", speed);
return speed;
@@ -262,8 +262,7 @@ static int speedstep_target(struct cpufreq_policy *policy, unsigned int index)
policy_cpu = cpumask_any_and(policy->cpus, cpu_online_mask);
- smp_call_function_single(policy_cpu, _speedstep_set_state, &index,
- true);
+ smp_xcall(policy_cpu, _speedstep_set_state, &index, XCALL_TYPE_SYNC);
return 0;
}
@@ -299,7 +298,7 @@ static int speedstep_cpu_init(struct cpufreq_policy *policy)
/* detect low and high frequency and transition latency */
gf.policy = policy;
- smp_call_function_single(policy_cpu, get_freqs_on_cpu, &gf, 1);
+ smp_xcall(policy_cpu, get_freqs_on_cpu, &gf, XCALL_TYPE_SYNC);
if (gf.ret)
return gf.ret;
diff --git a/drivers/cpufreq/tegra194-cpufreq.c b/drivers/cpufreq/tegra194-cpufreq.c
index 4b0b7e3cb19f..5da89e76b95b 100644
--- a/drivers/cpufreq/tegra194-cpufreq.c
+++ b/drivers/cpufreq/tegra194-cpufreq.c
@@ -203,13 +203,13 @@ static unsigned int tegra194_get_speed(u32 cpu)
int ret;
u32 cl;
- smp_call_function_single(cpu, get_cpu_cluster, &cl, true);
+ smp_xcall(cpu, get_cpu_cluster, &cl, XCALL_TYPE_SYNC);
/* reconstruct actual cpu freq using counters */
rate = tegra194_calculate_speed(cpu);
/* get last written ndiv value */
- ret = smp_call_function_single(cpu, get_cpu_ndiv, &ndiv, true);
+ ret = smp_xcall(cpu, get_cpu_ndiv, &ndiv, XCALL_TYPE_SYNC);
if (WARN_ON_ONCE(ret))
return rate;
@@ -240,7 +240,7 @@ static int tegra194_cpufreq_init(struct cpufreq_policy *policy)
u32 cpu;
u32 cl;
- smp_call_function_single(policy->cpu, get_cpu_cluster, &cl, true);
+ smp_xcall(policy->cpu, get_cpu_cluster, &cl, XCALL_TYPE_SYNC);
if (cl >= data->num_clusters || !data->tables[cl])
return -EINVAL;
diff --git a/drivers/hwtracing/coresight/coresight-cpu-debug.c b/drivers/hwtracing/coresight/coresight-cpu-debug.c
index 8845ec4b4402..0cacd61b66ed 100644
--- a/drivers/hwtracing/coresight/coresight-cpu-debug.c
+++ b/drivers/hwtracing/coresight/coresight-cpu-debug.c
@@ -590,8 +590,7 @@ static int debug_probe(struct amba_device *adev, const struct amba_id *id)
cpus_read_lock();
per_cpu(debug_drvdata, drvdata->cpu) = drvdata;
- ret = smp_call_function_single(drvdata->cpu, debug_init_arch_data,
- drvdata, 1);
+ ret = smp_xcall(drvdata->cpu, debug_init_arch_data, drvdata, XCALL_TYPE_SYNC);
cpus_read_unlock();
if (ret) {
diff --git a/drivers/hwtracing/coresight/coresight-etm3x-core.c b/drivers/hwtracing/coresight/coresight-etm3x-core.c
index 7d413ba8b823..e0a2c4c6e90d 100644
--- a/drivers/hwtracing/coresight/coresight-etm3x-core.c
+++ b/drivers/hwtracing/coresight/coresight-etm3x-core.c
@@ -518,8 +518,8 @@ static int etm_enable_sysfs(struct coresight_device *csdev)
*/
if (cpu_online(drvdata->cpu)) {
arg.drvdata = drvdata;
- ret = smp_call_function_single(drvdata->cpu,
- etm_enable_hw_smp_call, &arg, 1);
+ ret = smp_xcall(drvdata->cpu, etm_enable_hw_smp_call,
+ &arg, XCALL_TYPE_SYNC);
if (!ret)
ret = arg.rc;
if (!ret)
@@ -630,7 +630,7 @@ static void etm_disable_sysfs(struct coresight_device *csdev)
* Executing etm_disable_hw on the cpu whose ETM is being disabled
* ensures that register writes occur when cpu is powered.
*/
- smp_call_function_single(drvdata->cpu, etm_disable_hw, drvdata, 1);
+ smp_xcall(drvdata->cpu, etm_disable_hw, drvdata, XCALL_TYPE_SYNC);
spin_unlock(&drvdata->spinlock);
cpus_read_unlock();
@@ -864,8 +864,7 @@ static int etm_probe(struct amba_device *adev, const struct amba_id *id)
if (!desc.name)
return -ENOMEM;
- if (smp_call_function_single(drvdata->cpu,
- etm_init_arch_data, drvdata, 1))
+ if (smp_xcall(drvdata->cpu, etm_init_arch_data, drvdata, XCALL_TYPE_SYNC))
dev_err(dev, "ETM arch init failed\n");
if (etm_arch_supported(drvdata->arch) == false)
@@ -933,7 +932,7 @@ static void etm_remove(struct amba_device *adev)
* CPU i ensures these call backs has consistent view
* inside one call back function.
*/
- if (smp_call_function_single(drvdata->cpu, clear_etmdrvdata, &drvdata->cpu, 1))
+ if (smp_xcall(drvdata->cpu, clear_etmdrvdata, &drvdata->cpu, XCALL_TYPE_SYNC))
etmdrvdata[drvdata->cpu] = NULL;
cpus_read_unlock();
diff --git a/drivers/hwtracing/coresight/coresight-etm4x-core.c b/drivers/hwtracing/coresight/coresight-etm4x-core.c
index 7f416a12000e..28d91687dcaa 100644
--- a/drivers/hwtracing/coresight/coresight-etm4x-core.c
+++ b/drivers/hwtracing/coresight/coresight-etm4x-core.c
@@ -746,8 +746,8 @@ static int etm4_enable_sysfs(struct coresight_device *csdev)
* ensures that register writes occur when cpu is powered.
*/
arg.drvdata = drvdata;
- ret = smp_call_function_single(drvdata->cpu,
- etm4_enable_hw_smp_call, &arg, 1);
+ ret = smp_xcall(drvdata->cpu, etm4_enable_hw_smp_call,
+ &arg, XCALL_TYPE_SYNC);
if (!ret)
ret = arg.rc;
if (!ret)
@@ -903,7 +903,7 @@ static void etm4_disable_sysfs(struct coresight_device *csdev)
* Executing etm4_disable_hw on the cpu whose ETM is being disabled
* ensures that register writes occur when cpu is powered.
*/
- smp_call_function_single(drvdata->cpu, etm4_disable_hw, drvdata, 1);
+ smp_xcall(drvdata->cpu, etm4_disable_hw, drvdata, XCALL_TYPE_SYNC);
spin_unlock(&drvdata->spinlock);
cpus_read_unlock();
@@ -1977,8 +1977,8 @@ static int etm4_probe(struct device *dev, void __iomem *base, u32 etm_pid)
init_arg.csa = &desc.access;
init_arg.pid = etm_pid;
- if (smp_call_function_single(drvdata->cpu,
- etm4_init_arch_data, &init_arg, 1))
+ if (smp_xcall(drvdata->cpu, etm4_init_arch_data,
+ &init_arg, XCALL_TYPE_SYNC))
dev_err(dev, "ETM arch init failed\n");
if (!drvdata->arch)
@@ -2118,7 +2118,7 @@ static int __exit etm4_remove_dev(struct etmv4_drvdata *drvdata)
* CPU i ensures these call backs has consistent view
* inside one call back function.
*/
- if (smp_call_function_single(drvdata->cpu, clear_etmdrvdata, &drvdata->cpu, 1))
+ if (smp_xcall(drvdata->cpu, clear_etmdrvdata, &drvdata->cpu, XCALL_TYPE_SYNC))
etmdrvdata[drvdata->cpu] = NULL;
cpus_read_unlock();
diff --git a/drivers/hwtracing/coresight/coresight-etm4x-sysfs.c b/drivers/hwtracing/coresight/coresight-etm4x-sysfs.c
index 21687cc1e4e2..9794600a95d8 100644
--- a/drivers/hwtracing/coresight/coresight-etm4x-sysfs.c
+++ b/drivers/hwtracing/coresight/coresight-etm4x-sysfs.c
@@ -2379,7 +2379,7 @@ static u32 etmv4_cross_read(const struct etmv4_drvdata *drvdata, u32 offset)
* smp cross call ensures the CPU will be powered up before
* accessing the ETMv4 trace core registers
*/
- smp_call_function_single(drvdata->cpu, do_smp_cross_read, ®, 1);
+ smp_xcall(drvdata->cpu, do_smp_cross_read, ®, XCALL_TYPE_SYNC);
return reg.data;
}
diff --git a/drivers/hwtracing/coresight/coresight-trbe.c b/drivers/hwtracing/coresight/coresight-trbe.c
index 2b386bb848f8..b1fdd70b7ace 100644
--- a/drivers/hwtracing/coresight/coresight-trbe.c
+++ b/drivers/hwtracing/coresight/coresight-trbe.c
@@ -1350,12 +1350,12 @@ static int arm_trbe_probe_coresight(struct trbe_drvdata *drvdata)
for_each_cpu(cpu, &drvdata->supported_cpus) {
/* If we fail to probe the CPU, let us defer it to hotplug callbacks */
- if (smp_call_function_single(cpu, arm_trbe_probe_cpu, drvdata, 1))
+ if (smp_xcall(cpu, arm_trbe_probe_cpu, drvdata, XCALL_TYPE_SYNC))
continue;
if (cpumask_test_cpu(cpu, &drvdata->supported_cpus))
arm_trbe_register_coresight_cpu(drvdata, cpu);
if (cpumask_test_cpu(cpu, &drvdata->supported_cpus))
- smp_call_function_single(cpu, arm_trbe_enable_cpu, drvdata, 1);
+ smp_xcall(cpu, arm_trbe_enable_cpu, drvdata, XCALL_TYPE_SYNC);
}
return 0;
}
@@ -1365,7 +1365,7 @@ static int arm_trbe_remove_coresight(struct trbe_drvdata *drvdata)
int cpu;
for_each_cpu(cpu, &drvdata->supported_cpus)
- smp_call_function_single(cpu, arm_trbe_remove_coresight_cpu, drvdata, 1);
+ smp_xcall(cpu, arm_trbe_remove_coresight_cpu, drvdata, XCALL_TYPE_SYNC);
free_percpu(drvdata->cpudata);
return 0;
}
diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c
index 305c18bf33c1..8663a9f21401 100644
--- a/drivers/net/ethernet/marvell/mvneta.c
+++ b/drivers/net/ethernet/marvell/mvneta.c
@@ -4304,8 +4304,8 @@ static void mvneta_percpu_elect(struct mvneta_port *pp)
/* Update the interrupt mask on each CPU according the
* new mapping
*/
- smp_call_function_single(cpu, mvneta_percpu_unmask_interrupt,
- pp, true);
+ smp_xcall(cpu, mvneta_percpu_unmask_interrupt,
+ pp, XCALL_TYPE_SYNC);
i++;
}
diff --git a/drivers/platform/x86/intel/speed_select_if/isst_if_mbox_msr.c b/drivers/platform/x86/intel/speed_select_if/isst_if_mbox_msr.c
index 1b6eab071068..f08161b8ee62 100644
--- a/drivers/platform/x86/intel/speed_select_if/isst_if_mbox_msr.c
+++ b/drivers/platform/x86/intel/speed_select_if/isst_if_mbox_msr.c
@@ -124,8 +124,8 @@ static long isst_if_mbox_proc_cmd(u8 *cmd_ptr, int *write_only, int resume)
* and also with wait flag, wait for completion.
* smp_call_function_single is using get_cpu() and put_cpu().
*/
- ret = smp_call_function_single(action.mbox_cmd->logical_cpu,
- msrl_update_func, &action, 1);
+ ret = smp_xcall(action.mbox_cmd->logical_cpu,
+ msrl_update_func, &action, XCALL_TYPE_SYNC);
if (ret)
return ret;
diff --git a/drivers/powercap/intel_rapl_common.c b/drivers/powercap/intel_rapl_common.c
index 07611a00b78f..448f8bf097f3 100644
--- a/drivers/powercap/intel_rapl_common.c
+++ b/drivers/powercap/intel_rapl_common.c
@@ -913,7 +913,7 @@ static void package_power_limit_irq_save(struct rapl_package *rp)
if (!boot_cpu_has(X86_FEATURE_PTS) || !boot_cpu_has(X86_FEATURE_PLN))
return;
- smp_call_function_single(rp->lead_cpu, power_limit_irq_save_cpu, rp, 1);
+ smp_xcall(rp->lead_cpu, power_limit_irq_save_cpu, rp, XCALL_TYPE_SYNC);
}
/*
diff --git a/drivers/powercap/intel_rapl_msr.c b/drivers/powercap/intel_rapl_msr.c
index 1be45f36ab6c..d9cbf3f94c94 100644
--- a/drivers/powercap/intel_rapl_msr.c
+++ b/drivers/powercap/intel_rapl_msr.c
@@ -128,7 +128,7 @@ static int rapl_msr_write_raw(int cpu, struct reg_action *ra)
{
int ret;
- ret = smp_call_function_single(cpu, rapl_msr_update_func, ra, 1);
+ ret = smp_xcall(cpu, rapl_msr_update_func, ra, XCALL_TYPE_SYNC);
if (WARN_ON_ONCE(ret))
return ret;
diff --git a/drivers/regulator/qcom_spmi-regulator.c b/drivers/regulator/qcom_spmi-regulator.c
index 02bfce981150..8b92ab3c9ed7 100644
--- a/drivers/regulator/qcom_spmi-regulator.c
+++ b/drivers/regulator/qcom_spmi-regulator.c
@@ -1292,8 +1292,7 @@ spmi_regulator_saw_set_voltage(struct regulator_dev *rdev, unsigned selector)
}
/* Always do the SAW register writes on the first CPU */
- return smp_call_function_single(0, spmi_saw_set_vdd, \
- &voltage_sel, true);
+ return smp_xcall(0, spmi_saw_set_vdd, &voltage_sel, XCALL_TYPE_SYNC);
}
static struct regulator_ops spmi_saw_ops = {};
diff --git a/drivers/soc/fsl/qbman/qman.c b/drivers/soc/fsl/qbman/qman.c
index fde4edd83c14..d2d528f38aab 100644
--- a/drivers/soc/fsl/qbman/qman.c
+++ b/drivers/soc/fsl/qbman/qman.c
@@ -2548,8 +2548,8 @@ void qman_delete_cgr_safe(struct qman_cgr *cgr)
{
preempt_disable();
if (qman_cgr_cpus[cgr->cgrid] != smp_processor_id()) {
- smp_call_function_single(qman_cgr_cpus[cgr->cgrid],
- qman_delete_cgr_smp_call, cgr, true);
+ smp_xcall(qman_cgr_cpus[cgr->cgrid],
+ qman_delete_cgr_smp_call, cgr, XCALL_TYPE_SYNC);
preempt_enable();
return;
}
diff --git a/drivers/soc/fsl/qbman/qman_test_stash.c b/drivers/soc/fsl/qbman/qman_test_stash.c
index b7e8e5ec884c..04b813c288d5 100644
--- a/drivers/soc/fsl/qbman/qman_test_stash.c
+++ b/drivers/soc/fsl/qbman/qman_test_stash.c
@@ -507,8 +507,9 @@ static int init_phase3(void)
if (err)
return err;
} else {
- smp_call_function_single(hp_cpu->processor_id,
- init_handler_cb, hp_cpu->iterator, 1);
+ smp_xcall(hp_cpu->processor_id,
+ init_handler_cb, hp_cpu->iterator,
+ XCALL_TYPE_SYNC);
}
preempt_enable();
}
@@ -607,8 +608,8 @@ int qman_test_stash(void)
if (err)
goto failed;
} else {
- smp_call_function_single(special_handler->processor_id,
- send_first_frame_cb, NULL, 1);
+ smp_xcall(special_handler->processor_id,
+ send_first_frame_cb, NULL, XCALL_TYPE_SYNC);
}
preempt_enable();
diff --git a/include/linux/smp.h b/include/linux/smp.h
index de9b850722b3..f2e6c7a1be3d 100644
--- a/include/linux/smp.h
+++ b/include/linux/smp.h
@@ -174,9 +174,8 @@ extern int smp_xcall_any(const struct cpumask *mask, smp_call_func_t func,
#define XCALL_TYPE_IRQ_WORK CSD_TYPE_IRQ_WORK
#define XCALL_TYPE_TTWU CSD_TYPE_TTWU
#define XCALL_TYPE_MASK CSD_FLAG_TYPE_MASK
-#define XCALL_ALL -1
-#define XCALL_ALL -1
+#define XCALL_ALL -1 /* cross call on all online CPUs */
extern int smp_xcall(int cpu, smp_call_func_t func, void *info, unsigned int flags);
diff --git a/kernel/cpu.c b/kernel/cpu.c
index 5797c2a7a93f..06daf4f2882d 100644
--- a/kernel/cpu.c
+++ b/kernel/cpu.c
@@ -1091,8 +1091,8 @@ void cpuhp_report_idle_dead(void)
* We cannot call complete after rcu_report_dead() so we delegate it
* to an online cpu.
*/
- smp_call_function_single(cpumask_first(cpu_online_mask),
- cpuhp_complete_idle_dead, st, 0);
+ smp_xcall(cpumask_first(cpu_online_mask),
+ cpuhp_complete_idle_dead, st, XCALL_TYPE_ASYNC);
}
static int cpuhp_down_callbacks(unsigned int cpu, struct cpuhp_cpu_state *st,
diff --git a/kernel/events/core.c b/kernel/events/core.c
index 23bb19716ad3..e36a2f3fe38a 100644
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -116,8 +116,8 @@ task_function_call(struct task_struct *p, remote_function_f func, void *info)
int ret;
for (;;) {
- ret = smp_call_function_single(task_cpu(p), remote_function,
- &data, 1);
+ ret = smp_xcall(task_cpu(p), remote_function,
+ &data, XCALL_TYPE_SYNC);
if (!ret)
ret = data.ret;
@@ -149,7 +149,7 @@ static int cpu_function_call(int cpu, remote_function_f func, void *info)
.ret = -ENXIO, /* No such CPU */
};
- smp_call_function_single(cpu, remote_function, &data, 1);
+ smp_xcall(cpu, remote_function, &data, XCALL_TYPE_SYNC);
return data.ret;
}
@@ -4513,7 +4513,7 @@ static int perf_event_read(struct perf_event *event, bool group)
* Therefore, either way, we'll have an up-to-date event count
* after this.
*/
- (void)smp_call_function_single(event_cpu, __perf_event_read, &data, 1);
+ (void)smp_xcall(event_cpu, __perf_event_read, &data, XCALL_TYPE_SYNC);
preempt_enable();
ret = data.ret;
@@ -13292,7 +13292,7 @@ static void perf_event_exit_cpu_context(int cpu)
ctx = &cpuctx->ctx;
mutex_lock(&ctx->mutex);
- smp_call_function_single(cpu, __perf_event_exit_context, ctx, 1);
+ smp_xcall(cpu, __perf_event_exit_context, ctx, XCALL_TYPE_SYNC);
cpuctx->online = 0;
mutex_unlock(&ctx->mutex);
}
diff --git a/kernel/rcu/rcutorture.c b/kernel/rcu/rcutorture.c
index 55d049c39608..6c998391550b 100644
--- a/kernel/rcu/rcutorture.c
+++ b/kernel/rcu/rcutorture.c
@@ -2662,8 +2662,7 @@ static int rcu_torture_barrier_cbs(void *arg)
* The above smp_load_acquire() ensures barrier_phase load
* is ordered before the following ->call().
*/
- if (smp_call_function_single(myid, rcu_torture_barrier1cb,
- &rcu, 1)) {
+ if (smp_xcall(myid, rcu_torture_barrier1cb, &rcu, XCALL_TYPE_SYNC)) {
// IPI failed, so use direct call from current CPU.
cur_ops->call(&rcu, rcu_torture_barrier_cbf);
}
diff --git a/kernel/rcu/tasks.h b/kernel/rcu/tasks.h
index 99cf3a13954c..e5248737f9b6 100644
--- a/kernel/rcu/tasks.h
+++ b/kernel/rcu/tasks.h
@@ -1299,7 +1299,7 @@ static void trc_wait_for_one_reader(struct task_struct *t,
per_cpu(trc_ipi_to_cpu, cpu) = true;
t->trc_ipi_to_cpu = cpu;
rcu_tasks_trace.n_ipis++;
- if (smp_call_function_single(cpu, trc_read_check_handler, t, 0)) {
+ if (smp_xcall(cpu, trc_read_check_handler, t, XCALL_TYPE_ASYNC)) {
// Just in case there is some other reason for
// failure than the target CPU being offline.
WARN_ONCE(1, "%s(): smp_call_function_single() failed for CPU: %d\n",
@@ -1473,7 +1473,7 @@ static void rcu_tasks_trace_postgp(struct rcu_tasks *rtp)
// changes, there will need to be a recheck and/or timed wait.
for_each_online_cpu(cpu)
if (WARN_ON_ONCE(smp_load_acquire(per_cpu_ptr(&trc_ipi_to_cpu, cpu))))
- smp_call_function_single(cpu, rcu_tasks_trace_empty_fn, NULL, 1);
+ smp_xcall(cpu, rcu_tasks_trace_empty_fn, NULL, XCALL_TYPE_SYNC);
// Remove the safety count.
smp_mb__before_atomic(); // Order vs. earlier atomics
diff --git a/kernel/rcu/tree.c b/kernel/rcu/tree.c
index bf3a3fe88d94..8131d7662e4c 100644
--- a/kernel/rcu/tree.c
+++ b/kernel/rcu/tree.c
@@ -4100,7 +4100,7 @@ void rcu_barrier(void)
continue;
}
raw_spin_unlock_irqrestore(&rcu_state.barrier_lock, flags);
- if (smp_call_function_single(cpu, rcu_barrier_handler, (void *)cpu, 1)) {
+ if (smp_xcall(cpu, rcu_barrier_handler, (void *)cpu, XCALL_TYPE_SYNC)) {
schedule_timeout_uninterruptible(1);
goto retry;
}
diff --git a/kernel/rcu/tree_exp.h b/kernel/rcu/tree_exp.h
index 60197ea24ceb..fffefe6205eb 100644
--- a/kernel/rcu/tree_exp.h
+++ b/kernel/rcu/tree_exp.h
@@ -391,7 +391,7 @@ static void sync_rcu_exp_select_node_cpus(struct work_struct *wp)
put_cpu();
continue;
}
- ret = smp_call_function_single(cpu, rcu_exp_handler, NULL, 0);
+ ret = smp_xcall(cpu, rcu_exp_handler, NULL, XCALL_TYPE_ASYNC);
put_cpu();
/* The CPU will report the QS in response to the IPI. */
if (!ret)
@@ -777,7 +777,7 @@ static void sync_sched_exp_online_cleanup(int cpu)
return;
}
/* Quiescent state needed on some other CPU, send IPI. */
- ret = smp_call_function_single(cpu, rcu_exp_handler, NULL, 0);
+ ret = smp_xcall(cpu, rcu_exp_handler, NULL, XCALL_TYPE_ASYNC);
put_cpu();
WARN_ON_ONCE(ret);
}
diff --git a/kernel/relay.c b/kernel/relay.c
index d1a67fbb819d..5d605b08c6f9 100644
--- a/kernel/relay.c
+++ b/kernel/relay.c
@@ -635,9 +635,8 @@ int relay_late_setup_files(struct rchan *chan,
disp.dentry = dentry;
smp_mb();
/* relay_channels_mutex must be held, so wait. */
- err = smp_call_function_single(i,
- __relay_set_buf_dentry,
- &disp, 1);
+ err = smp_xcall(i, __relay_set_buf_dentry,
+ &disp, XCALL_TYPE_SYNC);
}
if (unlikely(err))
break;
diff --git a/kernel/scftorture.c b/kernel/scftorture.c
index a2cb2b223997..17d5f6b69a01 100644
--- a/kernel/scftorture.c
+++ b/kernel/scftorture.c
@@ -351,7 +351,8 @@ static void scftorture_invoke_one(struct scf_statistics *scfp, struct torture_ra
barrier(); // Prevent race-reduction compiler optimizations.
scfcp->scfc_in = true;
}
- ret = smp_call_function_single(cpu, scf_handler_1, (void *)scfcp, scfsp->scfs_wait);
+ ret = smp_xcall(cpu, scf_handler_1, (void *)scfcp,
+ (scfsp->scfs_wait ? XCALL_TYPE_SYNC : XCALL_TYPE_ASYNC));
if (ret) {
if (scfsp->scfs_wait)
scfp->n_single_wait_ofl++;
@@ -372,7 +373,7 @@ static void scftorture_invoke_one(struct scf_statistics *scfp, struct torture_ra
scfcp->scfc_rpc = true;
barrier(); // Prevent race-reduction compiler optimizations.
scfcp->scfc_in = true;
- ret = smp_call_function_single(cpu, scf_handler_1, (void *)scfcp, 0);
+ ret = smp_xcall(cpu, scf_handler_1, (void *)scfcp, XCALL_TYPE_ASYNC);
if (!ret) {
if (use_cpus_read_lock)
cpus_read_unlock();
diff --git a/kernel/sched/membarrier.c b/kernel/sched/membarrier.c
index 9af7795f220e..6e12a823e2f7 100644
--- a/kernel/sched/membarrier.c
+++ b/kernel/sched/membarrier.c
@@ -377,7 +377,7 @@ static int membarrier_private_expedited(int flags, int cpu_id)
* smp_call_function_single() will call ipi_func() if cpu_id
* is the calling CPU.
*/
- smp_call_function_single(cpu_id, ipi_func, NULL, 1);
+ smp_xcall(cpu_id, ipi_func, NULL, XCALL_TYPE_SYNC);
} else {
/*
* For regular membarrier, we can save a few cycles by
diff --git a/kernel/smp.c b/kernel/smp.c
index fb2333218e31..448bde271515 100644
--- a/kernel/smp.c
+++ b/kernel/smp.c
@@ -596,36 +596,6 @@ void flush_smp_call_function_from_idle(void)
local_irq_restore(flags);
}
-/*
- * This is a temporarily hook up. This function will be eliminated
- * with the last patch in this series.
- *
- * smp_call_function_single - Run a function on a specific CPU
- * @func: The function to run. This must be fast and non-blocking.
- * @info: An arbitrary pointer to pass to the function.
- * @wait: If true, wait until function has completed on other CPUs.
- *
- * Returns 0 on success, else a negative status code.
- */
-int smp_call_function_single(int cpu, smp_call_func_t func, void *info,
- int wait)
-{
- unsigned int flags = 0;
-
- if ((unsigned int)cpu >= nr_cpu_ids || !cpu_online(cpu))
- return -ENXIO;
-
- if (wait)
- flags = XCALL_TYPE_SYNC;
- else
- flags = XCALL_TYPE_ASYNC;
-
- smp_xcall(cpu, func, info, flags);
-
- return 0;
-}
-EXPORT_SYMBOL(smp_call_function_single);
-
/*
* This function performs synchronous and asynchronous cross CPU call for
* more than one participants.
@@ -1068,8 +1038,8 @@ int smp_xcall_private(int cpu, call_single_data_t *csd, unsigned int flags)
int err = 0;
if ((unsigned int)cpu >= nr_cpu_ids || !cpu_online(cpu)) {
- pr_warn("cpu ID must be a positive number < nr_cpu_ids and must be currently online\n");
- return -EINVAL;
+ pr_warn("cpu ID must be >=0 && < nr_cpu_ids\n");
+ return -ENXIO;
}
if (csd == NULL) {
diff --git a/kernel/time/clockevents.c b/kernel/time/clockevents.c
index 003ccf338d20..0ff0b32be6b2 100644
--- a/kernel/time/clockevents.c
+++ b/kernel/time/clockevents.c
@@ -418,7 +418,7 @@ static int clockevents_unbind(struct clock_event_device *ced, int cpu)
{
struct ce_unbind cu = { .ce = ced, .res = -ENODEV };
- smp_call_function_single(cpu, __clockevents_unbind, &cu, 1);
+ smp_xcall(cpu, __clockevents_unbind, &cu, XCALL_TYPE_SYNC);
return cu.res;
}
diff --git a/kernel/time/clocksource.c b/kernel/time/clocksource.c
index 95d7ca35bdf2..9d7eb5eb2fea 100644
--- a/kernel/time/clocksource.c
+++ b/kernel/time/clocksource.c
@@ -355,7 +355,7 @@ void clocksource_verify_percpu(struct clocksource *cs)
if (cpu == testcpu)
continue;
csnow_begin = cs->read(cs);
- smp_call_function_single(cpu, clocksource_verify_one_cpu, cs, 1);
+ smp_xcall(cpu, clocksource_verify_one_cpu, cs, XCALL_TYPE_SYNC);
csnow_end = cs->read(cs);
delta = (s64)((csnow_mid - csnow_begin) & cs->mask);
if (delta < 0)
diff --git a/kernel/time/tick-common.c b/kernel/time/tick-common.c
index 46789356f856..17dc8d409138 100644
--- a/kernel/time/tick-common.c
+++ b/kernel/time/tick-common.c
@@ -195,7 +195,7 @@ static void tick_take_do_timer_from_boot(void)
int from = tick_do_timer_boot_cpu;
if (from >= 0 && from != cpu)
- smp_call_function_single(from, giveup_do_timer, &cpu, 1);
+ smp_xcall(from, giveup_do_timer, &cpu, XCALL_TYPE_SYNC);
}
#endif
diff --git a/net/bpf/test_run.c b/net/bpf/test_run.c
index e7b9c2636d10..fd48eb5606c6 100644
--- a/net/bpf/test_run.c
+++ b/net/bpf/test_run.c
@@ -822,8 +822,8 @@ int bpf_prog_test_run_raw_tp(struct bpf_prog *prog,
*/
err = -ENXIO;
} else {
- err = smp_call_function_single(cpu, __bpf_prog_test_run_raw_tp,
- &info, 1);
+ err = smp_xcall(cpu, __bpf_prog_test_run_raw_tp,
+ &info, XCALL_TYPE_SYNC);
}
put_cpu();
diff --git a/net/iucv/iucv.c b/net/iucv/iucv.c
index 7fba16e99665..f30538ee2e70 100644
--- a/net/iucv/iucv.c
+++ b/net/iucv/iucv.c
@@ -507,8 +507,7 @@ static void iucv_setmask_mp(void)
/* Enable all cpus with a declared buffer. */
if (cpumask_test_cpu(cpu, &iucv_buffer_cpumask) &&
!cpumask_test_cpu(cpu, &iucv_irq_cpumask))
- smp_call_function_single(cpu, iucv_allow_cpu,
- NULL, 1);
+ smp_xcall(cpu, iucv_allow_cpu, NULL, XCALL_TYPE_SYNC);
cpus_read_unlock();
}
@@ -526,7 +525,7 @@ static void iucv_setmask_up(void)
cpumask_copy(&cpumask, &iucv_irq_cpumask);
cpumask_clear_cpu(cpumask_first(&iucv_irq_cpumask), &cpumask);
for_each_cpu(cpu, &cpumask)
- smp_call_function_single(cpu, iucv_block_cpu, NULL, 1);
+ smp_xcall(cpu, iucv_block_cpu, NULL, XCALL_TYPE_SYNC);
}
/*
@@ -551,7 +550,7 @@ static int iucv_enable(void)
/* Declare per cpu buffers. */
rc = -EIO;
for_each_online_cpu(cpu)
- smp_call_function_single(cpu, iucv_declare_cpu, NULL, 1);
+ smp_xcall(cpu, iucv_declare_cpu, NULL, XCALL_TYPE_SYNC);
if (cpumask_empty(&iucv_buffer_cpumask))
/* No cpu could declare an iucv buffer. */
goto out;
@@ -641,8 +640,8 @@ static int iucv_cpu_down_prep(unsigned int cpu)
iucv_retrieve_cpu(NULL);
if (!cpumask_empty(&iucv_irq_cpumask))
return 0;
- smp_call_function_single(cpumask_first(&iucv_buffer_cpumask),
- iucv_allow_cpu, NULL, 1);
+ smp_xcall(cpumask_first(&iucv_buffer_cpumask),
+ iucv_allow_cpu, NULL, XCALL_TYPE_SYNC);
return 0;
}
diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index adb7cbe67ee5..2f9d1d4826cb 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -5696,7 +5696,7 @@ int kvm_init(void *opaque, unsigned vcpu_size, unsigned vcpu_align,
c.ret = &r;
c.opaque = opaque;
for_each_online_cpu(cpu) {
- smp_call_function_single(cpu, check_processor_compat, &c, 1);
+ smp_xcall(cpu, check_processor_compat, &c, XCALL_TYPE_SYNC);
if (r < 0)
goto out_free_2;
}
--
2.27.0
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