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-rw-r--r--arch/x86/kernel/cpu/mcheck/mce.c9
-rw-r--r--arch/x86/kernel/cpu/mcheck/p5.c5
-rw-r--r--arch/x86/kernel/cpu/mcheck/winchip.c4
3 files changed, 8 insertions, 10 deletions
diff --git a/arch/x86/kernel/cpu/mcheck/mce.c b/arch/x86/kernel/cpu/mcheck/mce.c
index 0f8f21c8284a..9d014b82a124 100644
--- a/arch/x86/kernel/cpu/mcheck/mce.c
+++ b/arch/x86/kernel/cpu/mcheck/mce.c
@@ -127,7 +127,7 @@ void mce_setup(struct mce *m)
{
memset(m, 0, sizeof(struct mce));
m->cpu = m->extcpu = smp_processor_id();
- rdtscll(m->tsc);
+ m->tsc = rdtsc();
/* We hope get_seconds stays lockless */
m->time = get_seconds();
m->cpuvendor = boot_cpu_data.x86_vendor;
@@ -974,7 +974,6 @@ void do_machine_check(struct pt_regs *regs, long error_code)
{
struct mca_config *cfg = &mca_cfg;
struct mce m, *final;
- enum ctx_state prev_state;
int i;
int worst = 0;
int severity;
@@ -1000,7 +999,7 @@ void do_machine_check(struct pt_regs *regs, long error_code)
int flags = MF_ACTION_REQUIRED;
int lmce = 0;
- prev_state = ist_enter(regs);
+ ist_enter(regs);
this_cpu_inc(mce_exception_count);
@@ -1166,7 +1165,7 @@ out:
local_irq_disable();
ist_end_non_atomic();
done:
- ist_exit(regs, prev_state);
+ ist_exit(regs);
}
EXPORT_SYMBOL_GPL(do_machine_check);
@@ -1754,7 +1753,7 @@ static void collect_tscs(void *data)
{
unsigned long *cpu_tsc = (unsigned long *)data;
- rdtscll(cpu_tsc[smp_processor_id()]);
+ cpu_tsc[smp_processor_id()] = rdtsc();
}
static int mce_apei_read_done;
diff --git a/arch/x86/kernel/cpu/mcheck/p5.c b/arch/x86/kernel/cpu/mcheck/p5.c
index 737b0ad4e61a..12402e10aeff 100644
--- a/arch/x86/kernel/cpu/mcheck/p5.c
+++ b/arch/x86/kernel/cpu/mcheck/p5.c
@@ -19,10 +19,9 @@ int mce_p5_enabled __read_mostly;
/* Machine check handler for Pentium class Intel CPUs: */
static void pentium_machine_check(struct pt_regs *regs, long error_code)
{
- enum ctx_state prev_state;
u32 loaddr, hi, lotype;
- prev_state = ist_enter(regs);
+ ist_enter(regs);
rdmsr(MSR_IA32_P5_MC_ADDR, loaddr, hi);
rdmsr(MSR_IA32_P5_MC_TYPE, lotype, hi);
@@ -39,7 +38,7 @@ static void pentium_machine_check(struct pt_regs *regs, long error_code)
add_taint(TAINT_MACHINE_CHECK, LOCKDEP_NOW_UNRELIABLE);
- ist_exit(regs, prev_state);
+ ist_exit(regs);
}
/* Set up machine check reporting for processors with Intel style MCE: */
diff --git a/arch/x86/kernel/cpu/mcheck/winchip.c b/arch/x86/kernel/cpu/mcheck/winchip.c
index 44f138296fbe..01dd8702880b 100644
--- a/arch/x86/kernel/cpu/mcheck/winchip.c
+++ b/arch/x86/kernel/cpu/mcheck/winchip.c
@@ -15,12 +15,12 @@
/* Machine check handler for WinChip C6: */
static void winchip_machine_check(struct pt_regs *regs, long error_code)
{
- enum ctx_state prev_state = ist_enter(regs);
+ ist_enter(regs);
printk(KERN_EMERG "CPU0: Machine Check Exception.\n");
add_taint(TAINT_MACHINE_CHECK, LOCKDEP_NOW_UNRELIABLE);
- ist_exit(regs, prev_state);
+ ist_exit(regs);
}
/* Set up machine check reporting on the Winchip C6 series */
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