Commit 14c0abf1 authored by Huang Ying's avatar Huang Ying Committed by Ingo Molnar

x86: mce, inject: Use real inject-msg in raise_local

Current raise_local() uses a struct mce that comes from mce_write()
as a parameter instead of the real inject-msg, so when we set
mce.finished = 0 to clear injected MCE, the real inject stays
valid.

This will cause the remaining inject-msg affect the next injection,
which is not desired.

To fix this, real inject-msg is used in raise_local instead of the
one on the stack.

This patch is based on the diagnosis and the fixes by Dean Nelson.
Reported-by: default avatarDean Nelson <dnelson@redhat.com>
Signed-off-by: default avatarHuang Ying <ying.huang@intel.com>
Cc: Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com>
Cc: Andi Kleen <ak@linux.intel.com>
LKML-Reference: <1253601357.15717.757.camel@yhuang-dev.sh.intel.com>
Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
parent b417c9fd
...@@ -98,8 +98,9 @@ static struct notifier_block mce_raise_nb = { ...@@ -98,8 +98,9 @@ static struct notifier_block mce_raise_nb = {
}; };
/* Inject mce on current CPU */ /* Inject mce on current CPU */
static int raise_local(struct mce *m) static int raise_local(void)
{ {
struct mce *m = &__get_cpu_var(injectm);
int context = MCJ_CTX(m->inject_flags); int context = MCJ_CTX(m->inject_flags);
int ret = 0; int ret = 0;
int cpu = m->extcpu; int cpu = m->extcpu;
...@@ -167,12 +168,12 @@ static void raise_mce(struct mce *m) ...@@ -167,12 +168,12 @@ static void raise_mce(struct mce *m)
} }
cpu_relax(); cpu_relax();
} }
raise_local(m); raise_local();
put_cpu(); put_cpu();
put_online_cpus(); put_online_cpus();
} else } else
#endif #endif
raise_local(m); raise_local();
} }
/* Error injection interface */ /* Error injection interface */
......
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