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Subject[PATCH 1/3] HPET: Convert WARN_ON to WARN_ON_ONCE
Date
It is possible to flood the console with call traces if the WARN_ON
condition is true because of the frequency with which this function is
called.

Signed-off-by: Matt Fleming <mjf@gentoo.org>
---
arch/x86/kernel/hpet.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/arch/x86/kernel/hpet.c b/arch/x86/kernel/hpet.c
index 77017e8..f10f946 100644
--- a/arch/x86/kernel/hpet.c
+++ b/arch/x86/kernel/hpet.c
@@ -322,7 +322,7 @@ static int hpet_next_event(unsigned long delta,
* what we wrote hit the chip before we compare it to the
* counter.
*/
- WARN_ON((u32)hpet_readl(HPET_T0_CMP) != cnt);
+ WARN_ON_ONCE((u32)hpet_readl(HPET_T0_CMP) != cnt);

return (s32)((u32)hpet_readl(HPET_COUNTER) - cnt) >= 0 ? -ETIME : 0;
}
--
1.5.6.4


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