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Subject[PATCH] x86: use WARN_ONCE in workaround for mtrr mask
Date
so could help to catch attention about bug in bios about mtrr mask setting

WARN_ONCE get into mainline already. let use it.

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>

---
arch/x86/kernel/cpu/mtrr/generic.c | 7 +------
1 file changed, 1 insertion(+), 6 deletions(-)
Index: linux-2.6/arch/x86/kernel/cpu/mtrr/generic.c
===================================================================
--- linux-2.6.orig/arch/x86/kernel/cpu/mtrr/generic.c
+++ linux-2.6/arch/x86/kernel/cpu/mtrr/generic.c
@@ -401,12 +401,7 @@ static void generic_get_mtrr(unsigned in
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;
}
}

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