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Date: Mon, 28 Sep 2009 15:51:40 +0900
From: Hidetoshi Seto <seto.hidetoshi@...fujitsu.com>
To: Huang Ying <ying.huang@...el.com>
CC: Ingo Molnar <mingo@...e.hu>, "H. Peter Anvin" <hpa@...or.com>,
Andi Kleen <ak@...ux.intel.com>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: [PATCH 2/5] x86, mce: rename finished to valid in struct mce
The straightforward name is easier to understand.
Signed-off-by: Hidetoshi Seto <seto.hidetoshi@...fujitsu.com>
---
arch/x86/include/asm/mce.h | 6 +++---
arch/x86/kernel/cpu/mcheck/mce-inject.c | 14 +++++++-------
arch/x86/kernel/cpu/mcheck/mce.c | 16 ++++++++--------
3 files changed, 18 insertions(+), 18 deletions(-)
diff --git a/arch/x86/include/asm/mce.h b/arch/x86/include/asm/mce.h
index 4a48344..995dfd2 100644
--- a/arch/x86/include/asm/mce.h
+++ b/arch/x86/include/asm/mce.h
@@ -58,12 +58,12 @@ struct mce {
__u64 time; /* wall time_t when error was detected */
__u8 cpuvendor; /* cpu vendor as encoded in system.h */
__u8 inject_flags; /* software inject flags */
- __u16 pad;
+ __u16 pad;
__u32 cpuid; /* CPUID 1 EAX */
- __u8 cs; /* code segment */
+ __u8 cs; /* code segment */
__u8 bank; /* machine check bank */
__u8 cpu; /* cpu number; obsolete; use extcpu now */
- __u8 finished; /* entry is valid */
+ __u8 valid; /* entry is valid */
__u32 extcpu; /* linux cpu number that detected the error */
__u32 socketid; /* CPU socket ID */
__u32 apicid; /* CPU initial apic ID */
diff --git a/arch/x86/kernel/cpu/mcheck/mce-inject.c b/arch/x86/kernel/cpu/mcheck/mce-inject.c
index 2c1fc5a..5bac818 100644
--- a/arch/x86/kernel/cpu/mcheck/mce-inject.c
+++ b/arch/x86/kernel/cpu/mcheck/mce-inject.c
@@ -31,9 +31,9 @@ static void inject_mce(struct mce *m)
struct mce *i = &per_cpu(injectm, m->extcpu);
/* Make sure noone reads partially written injectm */
- i->finished = 0;
+ i->valid = 0;
mb();
- m->finished = 0;
+ m->valid = 0;
/* First set the fields after finished */
i->extcpu = m->extcpu;
mb();
@@ -41,7 +41,7 @@ static void inject_mce(struct mce *m)
memcpy(i, m, sizeof(struct mce));
/* Finally activate it */
mb();
- i->finished = 1;
+ i->valid = 1;
}
static void raise_poll(struct mce *m)
@@ -53,7 +53,7 @@ static void raise_poll(struct mce *m)
local_irq_save(flags);
machine_check_poll(0, &b);
local_irq_restore(flags);
- m->finished = 0;
+ m->valid = 0;
}
static void raise_exception(struct mce *m, struct pt_regs *pregs)
@@ -71,7 +71,7 @@ static void raise_exception(struct mce *m, struct pt_regs *pregs)
local_irq_save(flags);
do_machine_check(pregs, 0);
local_irq_restore(flags);
- m->finished = 0;
+ m->valid = 0;
}
static cpumask_t mce_inject_cpumask;
@@ -129,7 +129,7 @@ static int raise_local(void)
mce_notify_irq();
printk(KERN_INFO "Machine check poll done on CPU %d\n", cpu);
} else
- m->finished = 0;
+ m->valid = 0;
return ret;
}
@@ -152,7 +152,7 @@ static void raise_mce(struct mce *m)
cpu_clear(get_cpu(), mce_inject_cpumask);
for_each_online_cpu(cpu) {
struct mce *mcpu = &per_cpu(injectm, cpu);
- if (!mcpu->finished || MCE_INJ_CTX(mcpu->inject_flags)
+ if (!mcpu->valid || MCE_INJ_CTX(mcpu->inject_flags)
!= MCE_INJ_CTX_RANDOM)
cpu_clear(cpu, mce_inject_cpumask);
}
diff --git a/arch/x86/kernel/cpu/mcheck/mce.c b/arch/x86/kernel/cpu/mcheck/mce.c
index 4b2af86..ac4f478 100644
--- a/arch/x86/kernel/cpu/mcheck/mce.c
+++ b/arch/x86/kernel/cpu/mcheck/mce.c
@@ -129,7 +129,7 @@ void mce_log(struct mce *mce)
{
unsigned next, entry;
- mce->finished = 0;
+ mce->valid = 0;
wmb();
for (;;) {
entry = rcu_dereference(mcelog.next);
@@ -145,7 +145,7 @@ void mce_log(struct mce *mce)
return;
}
/* Old left over entry. Skip: */
- if (mcelog.entry[entry].finished) {
+ if (mcelog.entry[entry].valid) {
entry++;
continue;
}
@@ -158,10 +158,10 @@ void mce_log(struct mce *mce)
}
memcpy(mcelog.entry + entry, mce, sizeof(struct mce));
wmb();
- mcelog.entry[entry].finished = 1;
+ mcelog.entry[entry].valid = 1;
wmb();
- mce->finished = 1;
+ mce->valid = 1;
set_bit(0, &mce_need_notify);
}
@@ -306,7 +306,7 @@ static u64 mce_rdmsrl(u32 msr)
{
u64 v;
- if (__get_cpu_var(injectm).finished) {
+ if (__get_cpu_var(injectm).valid) {
int offset = msr_to_offset(msr);
if (offset < 0)
@@ -329,7 +329,7 @@ static u64 mce_rdmsrl(u32 msr)
static void mce_wrmsrl(u32 msr, u64 v)
{
- if (__get_cpu_var(injectm).finished) {
+ if (__get_cpu_var(injectm).valid) {
int offset = msr_to_offset(msr);
if (offset >= 0)
@@ -1488,7 +1488,7 @@ static ssize_t mce_read(struct file *filp, char __user *ubuf, size_t usize,
for (i = prev; i < next; i++) {
unsigned long start = jiffies;
- while (!mcelog.entry[i].finished) {
+ while (!mcelog.entry[i].valid) {
if (time_after_eq(jiffies, start + 2)) {
memset(mcelog.entry + i, 0,
sizeof(struct mce));
@@ -1519,7 +1519,7 @@ timeout:
on_each_cpu(collect_tscs, cpu_tsc, 1);
for (i = next; i < MCE_LOG_LEN; i++) {
- if (mcelog.entry[i].finished &&
+ if (mcelog.entry[i].valid &&
mcelog.entry[i].tsc < cpu_tsc[mcelog.entry[i].cpu]) {
err |= copy_to_user(buf, mcelog.entry+i,
sizeof(struct mce));
--
1.6.4.3
--
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