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authorIngo Molnar <mingo@elte.hu>2008-08-22 08:22:23 +0200
committerGreg Kroah-Hartman <gregkh@suse.de>2008-10-22 14:05:17 -0700
commitfd8ceb79314d7ff2c580b4ac4db716134c647641 (patch)
treeed48a777536e22f6a445cc228b58a3df24e36327
parent54e4b4720e7eda31b4e3c72a09d0bcda9dd3482c (diff)
x86: work around MTRR mask setting, v2
commit 9754a5b840a209bc1f192d59f63e81b698a55ac8 upstream improve the debug printout: - make it actually display something - print it only once would be nice to have a WARN_ONCE() facility, to feed such things to kerneloops.org. Signed-off-by: Ingo Molnar <mingo@elte.hu> Cc: S.Çağlar Onur <caglar@pardus.org.tr> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
-rw-r--r--arch/x86/kernel/cpu/mtrr/generic.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/arch/x86/kernel/cpu/mtrr/generic.c b/arch/x86/kernel/cpu/mtrr/generic.c
index f49c9706b928..ca2180800d44 100644
--- a/arch/x86/kernel/cpu/mtrr/generic.c
+++ b/arch/x86/kernel/cpu/mtrr/generic.c
@@ -251,7 +251,12 @@ static void generic_get_mtrr(unsigned int reg, unsigned long *base,
tmp |= ~((1<<(hi - 1)) - 1);
if (tmp != mask_lo) {
- WARN_ON("mtrr: your BIOS has set up an incorrect mask, fixing it up.\n");
+ static int once = 1;
+
+ if (once) {
+ printk(KERN_INFO "mtrr: your BIOS has set up an incorrect mask, fixing it up.\n");
+ once = 0;
+ }
mask_lo = tmp;
}
}