diff options
| author | Matt Fleming <mjf@gentoo.org> | 2008-11-02 17:04:18 +0100 |
|---|---|---|
| committer | Thomas Gleixner <tglx@apollo.(none)> | 2008-11-10 17:38:07 +0100 |
| commit | 1de5b0854623d30d01d72cd4ea323eb5f39d1f16 (patch) | |
| tree | b8ab2deb2e3a01e08821f3f807b6a46b66843d10 /arch/x86/kernel/hpet.c | |
| parent | Linux 2.6.28-rc4 (diff) | |
| download | linux-1de5b0854623d30d01d72cd4ea323eb5f39d1f16.tar.xz linux-1de5b0854623d30d01d72cd4ea323eb5f39d1f16.zip | |
x86: HPET: convert WARN_ON to WARN_ON_ONCE
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>
Cc: mingo@elte.hu
Cc: venkatesh.pallipadi@intel.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'arch/x86/kernel/hpet.c')
| -rw-r--r-- | 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 77017e834cf7..f10f9461a43d 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; } |