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authorYinghai Lu <yhlu.kernel@gmail.com>2008-09-19 11:45:04 -0700
committerIngo Molnar <mingo@elte.hu>2008-09-22 13:09:56 +0200
commit16dc552f35bc0ec6fec8ef83f8032eee352d17f5 (patch)
tree756f4c2c0aa57dd674df38f59ac2a92312c873c6 /arch
parent0b88641f1bafdbd087d5e63987a30cc0eadd63b9 (diff)
downloadlinux-linaro-android-16dc552f35bc0ec6fec8ef83f8032eee352d17f5.tar.gz
x86: use WARN_ONCE in workaround for mtrr mask
so could help catch attention about bug in bios about mtrr mask setting. WARN_ONCE got into mainline already, lets use it. Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch')
-rw-r--r--arch/x86/kernel/cpu/mtrr/generic.c7
1 files changed, 1 insertions, 6 deletions
diff --git a/arch/x86/kernel/cpu/mtrr/generic.c b/arch/x86/kernel/cpu/mtrr/generic.c
index cb7d3b6a80e..4e8d77f01ee 100644
--- a/arch/x86/kernel/cpu/mtrr/generic.c
+++ b/arch/x86/kernel/cpu/mtrr/generic.c
@@ -401,12 +401,7 @@ static void generic_get_mtrr(unsigned int reg, unsigned long *base,
tmp |= ~((1<<(hi - 1)) - 1);
if (tmp != mask_lo) {
- static int once = 1;
-
- if (once) {
- printk(KERN_INFO "mtrr: your BIOS has set up an incorrect mask, fixing it up.\n");
- once = 0;
- }
+ WARN_ONCE(1, KERN_INFO "mtrr: your BIOS has set up an incorrect mask, fixing it up.\n");
mask_lo = tmp;
}
}