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-rw-r--r--arch/x86/kernel/apic/apic.c8
-rw-r--r--arch/x86/kernel/apic/vector.c2
-rw-r--r--arch/x86/kernel/cpu/mcheck/mce-severity.c7
-rw-r--r--arch/x86/kernel/cpu/mcheck/mce_amd.c4
-rw-r--r--arch/x86/kernel/cpu/mcheck/therm_throt.c6
-rw-r--r--arch/x86/kernel/cpu/mcheck/threshold.c4
-rw-r--r--arch/x86/kernel/irq.c4
-rw-r--r--arch/x86/kernel/irq_work.c5
-rw-r--r--arch/x86/kernel/smp.c15
-rw-r--r--arch/x86/kernel/smpboot.c11
-rw-r--r--arch/x86/kernel/tsc.c8
11 files changed, 39 insertions, 35 deletions
diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c
index e2ead34da465..c6583efdbdaf 100644
--- a/arch/x86/kernel/apic/apic.c
+++ b/arch/x86/kernel/apic/apic.c
@@ -1863,14 +1863,14 @@ static void __smp_spurious_interrupt(u8 vector)
"should never happen.\n", vector, smp_processor_id());
}
-__visible void smp_spurious_interrupt(struct pt_regs *regs)
+__visible void __irq_entry smp_spurious_interrupt(struct pt_regs *regs)
{
entering_irq();
__smp_spurious_interrupt(~regs->orig_ax);
exiting_irq();
}
-__visible void smp_trace_spurious_interrupt(struct pt_regs *regs)
+__visible void __irq_entry smp_trace_spurious_interrupt(struct pt_regs *regs)
{
u8 vector = ~regs->orig_ax;
@@ -1921,14 +1921,14 @@ static void __smp_error_interrupt(struct pt_regs *regs)
}
-__visible void smp_error_interrupt(struct pt_regs *regs)
+__visible void __irq_entry smp_error_interrupt(struct pt_regs *regs)
{
entering_irq();
__smp_error_interrupt(regs);
exiting_irq();
}
-__visible void smp_trace_error_interrupt(struct pt_regs *regs)
+__visible void __irq_entry smp_trace_error_interrupt(struct pt_regs *regs)
{
entering_irq();
trace_error_apic_entry(ERROR_APIC_VECTOR);
diff --git a/arch/x86/kernel/apic/vector.c b/arch/x86/kernel/apic/vector.c
index 5d30c5e42bb1..f3557a1eb562 100644
--- a/arch/x86/kernel/apic/vector.c
+++ b/arch/x86/kernel/apic/vector.c
@@ -559,7 +559,7 @@ void send_cleanup_vector(struct irq_cfg *cfg)
__send_cleanup_vector(data);
}
-asmlinkage __visible void smp_irq_move_cleanup_interrupt(void)
+asmlinkage __visible void __irq_entry smp_irq_move_cleanup_interrupt(void)
{
unsigned vector, me;
diff --git a/arch/x86/kernel/cpu/mcheck/mce-severity.c b/arch/x86/kernel/cpu/mcheck/mce-severity.c
index 631356c8cca4..f46071cb2c90 100644
--- a/arch/x86/kernel/cpu/mcheck/mce-severity.c
+++ b/arch/x86/kernel/cpu/mcheck/mce-severity.c
@@ -245,6 +245,9 @@ static int mce_severity_amd(struct mce *m, int tolerant, char **msg, bool is_exc
if (m->status & MCI_STATUS_UC) {
+ if (ctx == IN_KERNEL)
+ return MCE_PANIC_SEVERITY;
+
/*
* On older systems where overflow_recov flag is not present, we
* should simply panic if an error overflow occurs. If
@@ -255,10 +258,6 @@ static int mce_severity_amd(struct mce *m, int tolerant, char **msg, bool is_exc
if (mce_flags.smca)
return mce_severity_amd_smca(m, ctx);
- /* software can try to contain */
- if (!(m->mcgstatus & MCG_STATUS_RIPV) && (ctx == IN_KERNEL))
- return MCE_PANIC_SEVERITY;
-
/* kill current process */
return MCE_AR_SEVERITY;
} else {
diff --git a/arch/x86/kernel/cpu/mcheck/mce_amd.c b/arch/x86/kernel/cpu/mcheck/mce_amd.c
index a5b47c1361a0..39526e1e3132 100644
--- a/arch/x86/kernel/cpu/mcheck/mce_amd.c
+++ b/arch/x86/kernel/cpu/mcheck/mce_amd.c
@@ -593,14 +593,14 @@ static inline void __smp_deferred_error_interrupt(void)
deferred_error_int_vector();
}
-asmlinkage __visible void smp_deferred_error_interrupt(void)
+asmlinkage __visible void __irq_entry smp_deferred_error_interrupt(void)
{
entering_irq();
__smp_deferred_error_interrupt();
exiting_ack_irq();
}
-asmlinkage __visible void smp_trace_deferred_error_interrupt(void)
+asmlinkage __visible void __irq_entry smp_trace_deferred_error_interrupt(void)
{
entering_irq();
trace_deferred_error_apic_entry(DEFERRED_ERROR_VECTOR);
diff --git a/arch/x86/kernel/cpu/mcheck/therm_throt.c b/arch/x86/kernel/cpu/mcheck/therm_throt.c
index 6b9dc4d18ccc..c460c91d0c8f 100644
--- a/arch/x86/kernel/cpu/mcheck/therm_throt.c
+++ b/arch/x86/kernel/cpu/mcheck/therm_throt.c
@@ -431,14 +431,16 @@ static inline void __smp_thermal_interrupt(void)
smp_thermal_vector();
}
-asmlinkage __visible void smp_thermal_interrupt(struct pt_regs *regs)
+asmlinkage __visible void __irq_entry
+smp_thermal_interrupt(struct pt_regs *regs)
{
entering_irq();
__smp_thermal_interrupt();
exiting_ack_irq();
}
-asmlinkage __visible void smp_trace_thermal_interrupt(struct pt_regs *regs)
+asmlinkage __visible void __irq_entry
+smp_trace_thermal_interrupt(struct pt_regs *regs)
{
entering_irq();
trace_thermal_apic_entry(THERMAL_APIC_VECTOR);
diff --git a/arch/x86/kernel/cpu/mcheck/threshold.c b/arch/x86/kernel/cpu/mcheck/threshold.c
index fcf9ae9384f4..976042371b4b 100644
--- a/arch/x86/kernel/cpu/mcheck/threshold.c
+++ b/arch/x86/kernel/cpu/mcheck/threshold.c
@@ -24,14 +24,14 @@ static inline void __smp_threshold_interrupt(void)
mce_threshold_vector();
}
-asmlinkage __visible void smp_threshold_interrupt(void)
+asmlinkage __visible void __irq_entry smp_threshold_interrupt(void)
{
entering_irq();
__smp_threshold_interrupt();
exiting_ack_irq();
}
-asmlinkage __visible void smp_trace_threshold_interrupt(void)
+asmlinkage __visible void __irq_entry smp_trace_threshold_interrupt(void)
{
entering_irq();
trace_threshold_apic_entry(THRESHOLD_APIC_VECTOR);
diff --git a/arch/x86/kernel/irq.c b/arch/x86/kernel/irq.c
index 9f669fdd2010..8a7ad9fb22c1 100644
--- a/arch/x86/kernel/irq.c
+++ b/arch/x86/kernel/irq.c
@@ -265,7 +265,7 @@ void __smp_x86_platform_ipi(void)
x86_platform_ipi_callback();
}
-__visible void smp_x86_platform_ipi(struct pt_regs *regs)
+__visible void __irq_entry smp_x86_platform_ipi(struct pt_regs *regs)
{
struct pt_regs *old_regs = set_irq_regs(regs);
@@ -316,7 +316,7 @@ __visible void smp_kvm_posted_intr_wakeup_ipi(struct pt_regs *regs)
}
#endif
-__visible void smp_trace_x86_platform_ipi(struct pt_regs *regs)
+__visible void __irq_entry smp_trace_x86_platform_ipi(struct pt_regs *regs)
{
struct pt_regs *old_regs = set_irq_regs(regs);
diff --git a/arch/x86/kernel/irq_work.c b/arch/x86/kernel/irq_work.c
index 3512ba607361..275487872be2 100644
--- a/arch/x86/kernel/irq_work.c
+++ b/arch/x86/kernel/irq_work.c
@@ -9,6 +9,7 @@
#include <linux/hardirq.h>
#include <asm/apic.h>
#include <asm/trace/irq_vectors.h>
+#include <linux/interrupt.h>
static inline void __smp_irq_work_interrupt(void)
{
@@ -16,14 +17,14 @@ static inline void __smp_irq_work_interrupt(void)
irq_work_run();
}
-__visible void smp_irq_work_interrupt(struct pt_regs *regs)
+__visible void __irq_entry smp_irq_work_interrupt(struct pt_regs *regs)
{
ipi_entering_ack_irq();
__smp_irq_work_interrupt();
exiting_irq();
}
-__visible void smp_trace_irq_work_interrupt(struct pt_regs *regs)
+__visible void __irq_entry smp_trace_irq_work_interrupt(struct pt_regs *regs)
{
ipi_entering_ack_irq();
trace_irq_work_entry(IRQ_WORK_VECTOR);
diff --git a/arch/x86/kernel/smp.c b/arch/x86/kernel/smp.c
index c00cb64bc0a1..ca699677e288 100644
--- a/arch/x86/kernel/smp.c
+++ b/arch/x86/kernel/smp.c
@@ -259,7 +259,7 @@ static inline void __smp_reschedule_interrupt(void)
scheduler_ipi();
}
-__visible void smp_reschedule_interrupt(struct pt_regs *regs)
+__visible void __irq_entry smp_reschedule_interrupt(struct pt_regs *regs)
{
irq_enter();
ack_APIC_irq();
@@ -270,7 +270,7 @@ __visible void smp_reschedule_interrupt(struct pt_regs *regs)
*/
}
-__visible void smp_trace_reschedule_interrupt(struct pt_regs *regs)
+__visible void __irq_entry smp_trace_reschedule_interrupt(struct pt_regs *regs)
{
/*
* Need to call irq_enter() before calling the trace point.
@@ -294,14 +294,15 @@ static inline void __smp_call_function_interrupt(void)
inc_irq_stat(irq_call_count);
}
-__visible void smp_call_function_interrupt(struct pt_regs *regs)
+__visible void __irq_entry smp_call_function_interrupt(struct pt_regs *regs)
{
ipi_entering_ack_irq();
__smp_call_function_interrupt();
exiting_irq();
}
-__visible void smp_trace_call_function_interrupt(struct pt_regs *regs)
+__visible void __irq_entry
+smp_trace_call_function_interrupt(struct pt_regs *regs)
{
ipi_entering_ack_irq();
trace_call_function_entry(CALL_FUNCTION_VECTOR);
@@ -316,14 +317,16 @@ static inline void __smp_call_function_single_interrupt(void)
inc_irq_stat(irq_call_count);
}
-__visible void smp_call_function_single_interrupt(struct pt_regs *regs)
+__visible void __irq_entry
+smp_call_function_single_interrupt(struct pt_regs *regs)
{
ipi_entering_ack_irq();
__smp_call_function_single_interrupt();
exiting_irq();
}
-__visible void smp_trace_call_function_single_interrupt(struct pt_regs *regs)
+__visible void __irq_entry
+smp_trace_call_function_single_interrupt(struct pt_regs *regs)
{
ipi_entering_ack_irq();
trace_call_function_single_entry(CALL_FUNCTION_SINGLE_VECTOR);
diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c
index 36171bcd91f8..9fe7b9e1ae30 100644
--- a/arch/x86/kernel/smpboot.c
+++ b/arch/x86/kernel/smpboot.c
@@ -181,6 +181,12 @@ static void smp_callin(void)
smp_store_cpu_info(cpuid);
/*
+ * The topology information must be up to date before
+ * calibrate_delay() and notify_cpu_starting().
+ */
+ set_cpu_sibling_map(raw_smp_processor_id());
+
+ /*
* Get our bogomips.
* Update loops_per_jiffy in cpu_data. Previous call to
* smp_store_cpu_info() stored a value that is close but not as
@@ -190,11 +196,6 @@ static void smp_callin(void)
cpu_data(cpuid).loops_per_jiffy = loops_per_jiffy;
pr_debug("Stack at about %p\n", &cpuid);
- /*
- * This must be done before setting cpu_online_mask
- * or calling notify_cpu_starting.
- */
- set_cpu_sibling_map(raw_smp_processor_id());
wmb();
notify_cpu_starting(cpuid);
diff --git a/arch/x86/kernel/tsc.c b/arch/x86/kernel/tsc.c
index 6e57edf33d75..44bf5cf417d3 100644
--- a/arch/x86/kernel/tsc.c
+++ b/arch/x86/kernel/tsc.c
@@ -1382,12 +1382,10 @@ void __init tsc_init(void)
unsigned long calibrate_delay_is_known(void)
{
int sibling, cpu = smp_processor_id();
- struct cpumask *mask = topology_core_cpumask(cpu);
+ int constant_tsc = cpu_has(&cpu_data(cpu), X86_FEATURE_CONSTANT_TSC);
+ const struct cpumask *mask = topology_core_cpumask(cpu);
- if (!tsc_disabled && !cpu_has(&cpu_data(cpu), X86_FEATURE_CONSTANT_TSC))
- return 0;
-
- if (!mask)
+ if (tsc_disabled || !constant_tsc || !mask)
return 0;
sibling = cpumask_any_but(mask, cpu);