From 70cb6e1da00db6c9212e6fd69bd96fd41c797077 Mon Sep 17 00:00:00 2001 From: Len Brown Date: Tue, 2 Aug 2011 18:00:21 -0400 Subject: APEI GHES: 32-bit buildfix MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 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 Signed-off-by: Len Brown --- drivers/acpi/apei/ghes.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) (limited to 'drivers/acpi') diff --git a/drivers/acpi/apei/ghes.c b/drivers/acpi/apei/ghes.c index e92c47c46f9..0784f99a466 100644 --- a/drivers/acpi/apei/ghes.c +++ b/drivers/acpi/apei/ghes.c @@ -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; -- cgit v1.2.3