diff options
Diffstat (limited to 'arch/x86_64/kernel/mce.c')
| -rw-r--r-- | arch/x86_64/kernel/mce.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/arch/x86_64/kernel/mce.c b/arch/x86_64/kernel/mce.c index a14375dd542..f3fb8174559 100644 --- a/arch/x86_64/kernel/mce.c +++ b/arch/x86_64/kernel/mce.c @@ -174,7 +174,7 @@ static void do_mce_trigger(void) if (events != atomic_read(&mce_logged) && trigger[0]) { /* Small race window, but should be harmless. */ atomic_set(&mce_logged, events); - call_usermodehelper(trigger, trigger_argv, NULL, -1); + call_usermodehelper(trigger, trigger_argv, NULL, UMH_NO_WAIT); } } @@ -497,15 +497,17 @@ static ssize_t mce_read(struct file *filp, char __user *ubuf, size_t usize, loff for (i = 0; i < next; i++) { unsigned long start = jiffies; while (!mcelog.entry[i].finished) { - if (!time_before(jiffies, start + 2)) { + if (time_after_eq(jiffies, start + 2)) { memset(mcelog.entry + i,0, sizeof(struct mce)); - continue; + goto timeout; } cpu_relax(); } smp_rmb(); err |= copy_to_user(buf, mcelog.entry + i, sizeof(struct mce)); buf += sizeof(struct mce); + timeout: + ; } memset(mcelog.entry, 0, next * sizeof(struct mce)); |