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APEI GHES: 32-bit buildfix

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drivers/acpi/apei/ghes.c:542: warning: integer overflow in expression
drivers/acpi/apei/ghes.c:619: warning: integer overflow in expression

ghes.c:(.text+0x46289): undefined reference to `__udivdi3'
  in function ghes_estatus_cache_add().

Reported-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Len Brown <len.brown@intel.com>
This commit is contained in:
Len Brown 2011-08-02 18:00:21 -04:00
parent a7e09d450b
commit 70cb6e1da0
1 changed files with 3 additions and 2 deletions
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5
drivers/acpi/apei/ghes.c
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@ -65,7 +65,7 @@
#define GHES_ESTATUS_CACHES_SIZE 4
#define GHES_ESTATUS_IN_CACHE_MAX_NSEC (10 * NSEC_PER_SEC)
#define GHES_ESTATUS_IN_CACHE_MAX_NSEC 10000000000ULL
/* Prevent too many caches are allocated because of RCU */
#define GHES_ESTATUS_CACHE_ALLOCED_MAX (GHES_ESTATUS_CACHES_SIZE * 3 / 2)
@ -622,7 +622,8 @@ static void ghes_estatus_cache_add(
break;
}
count = atomic_read(&cache->count);
period = duration / (count + 1);
period = duration;
do_div(period, (count + 1));
if (period > max_period) {
max_period = period;
slot = i;