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Nothing special this time, just an error messages improvement from Andy

Browse source 
and a cleanup from me.
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Merge tag 'ras_for_3.20' of git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp into x86/ras

Pull RAS updates from Borislav Petkov:

  "Nothing special this time, just an error messages improvement from Andy
   and a cleanup from me."

Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Ingo Molnar 2015-01-15 11:29:49 +01:00
parent f800c25b7a 83737691e5
commit 37e4d3b951
1 changed files with 14 additions and 11 deletions
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25
arch/x86/kernel/cpu/mcheck/mce.c
View file

@ -115,7 +115,7 @@ static void (*quirk_no_way_out)(int bank, struct mce *m, struct pt_regs *regs);
* CPU/chipset specific EDAC code can register a notifier call here to print
* MCE errors in a human-readable form.
*/
ATOMIC_NOTIFIER_HEAD(x86_mce_decoder_chain);
static ATOMIC_NOTIFIER_HEAD(x86_mce_decoder_chain);
/* Do initial initialization of a struct mce */
void mce_setup(struct mce *m)
@ -311,7 +311,7 @@ static void wait_for_panic(void)
panic("Panicing machine check CPU died");
}
static void mce_panic(char *msg, struct mce *final, char *exp)
static void mce_panic(const char *msg, struct mce *final, char *exp)
{
int i, apei_err = 0;
@ -529,7 +529,7 @@ static void mce_schedule_work(void)
schedule_work(this_cpu_ptr(&mce_work));
}
DEFINE_PER_CPU(struct irq_work, mce_irq_work);
static DEFINE_PER_CPU(struct irq_work, mce_irq_work);
static void mce_irq_work_cb(struct irq_work *entry)
{
@ -735,7 +735,7 @@ static atomic_t mce_callin;
/*
* Check if a timeout waiting for other CPUs happened.
*/
static int mce_timed_out(u64 *t)
static int mce_timed_out(u64 *t, const char *msg)
{
/*
* The others already did panic for some reason.
@ -750,8 +750,7 @@ static int mce_timed_out(u64 *t)
goto out;
if ((s64)*t < SPINUNIT) {
if (mca_cfg.tolerant <= 1)
mce_panic("Timeout synchronizing machine check over CPUs",
NULL, NULL);
mce_panic(msg, NULL, NULL);
cpu_missing = 1;
return 1;
}
@ -867,7 +866,8 @@ static int mce_start(int *no_way_out)
* Wait for everyone.
*/
while (atomic_read(&mce_callin) != cpus) {
if (mce_timed_out(&timeout)) {
if (mce_timed_out(&timeout,
"Timeout: Not all CPUs entered broadcast exception handler")) {
atomic_set(&global_nwo, 0);
return -1;
}
@ -892,7 +892,8 @@ static int mce_start(int *no_way_out)
* only seen by one CPU before cleared, avoiding duplicates.
*/
while (atomic_read(&mce_executing) < order) {
if (mce_timed_out(&timeout)) {
if (mce_timed_out(&timeout,
"Timeout: Subject CPUs unable to finish machine check processing")) {
atomic_set(&global_nwo, 0);
return -1;
}
@ -936,7 +937,8 @@ static int mce_end(int order)
* loops.
*/
while (atomic_read(&mce_executing) <= cpus) {
if (mce_timed_out(&timeout))
if (mce_timed_out(&timeout,
"Timeout: Monarch CPU unable to finish machine check processing"))
goto reset;
ndelay(SPINUNIT);
}
@ -949,7 +951,8 @@ static int mce_end(int order)
* Subject: Wait for Monarch to finish.
*/
while (atomic_read(&mce_executing) != 0) {
if (mce_timed_out(&timeout))
if (mce_timed_out(&timeout,
"Timeout: Monarch CPU did not finish machine check processing"))
goto reset;
ndelay(SPINUNIT);
}
@ -1009,7 +1012,7 @@ static void mce_clear_state(unsigned long *toclear)
*/
#define MCE_INFO_MAX 16
struct mce_info {
static struct mce_info {
atomic_t inuse;
struct task_struct *t;
__u64 paddr;