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[PATCH] Avoid use of uninitialised spinlock in EEH.

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If the kernel supports both G5 and pSeries, and CONFIG_EEH is enabled,
eeh_init() is (quite reasonably) never called when we boot on a G5. Yet
eeh_check_failure() still gets called. We should avoid doing that if
!eeh_subsystem_enabled.

Signed-off-by: David Woodhouse <dwmw2@infradead.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
This commit is contained in:
David Woodhouse
2005-11-17 00:44:03 +00:00
committed by Paul Mackerras
parent 5cfccd7f13
commit 1e28a7ddd3
2 changed files with 5 additions and 2 deletions
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arch/powerpc/platforms/pseries/eeh.c
+2 -1
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@@ -86,7 +86,8 @@ static int ibm_read_slot_reset_state;
static int ibm_read_slot_reset_state2;
static int ibm_slot_error_detail;
static int eeh_subsystem_enabled;
int eeh_subsystem_enabled;
EXPORT_SYMBOL(eeh_subsystem_enabled);
/* Lock to avoid races due to multiple reports of an error */
static DEFINE_SPINLOCK(confirm_error_lock);