diff options
| author | Ingo Molnar <mingo@elte.hu> | 2008-08-22 08:22:23 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2008-10-22 14:05:17 -0700 |
| commit | fd8ceb79314d7ff2c580b4ac4db716134c647641 (patch) | |
| tree | ed48a777536e22f6a445cc228b58a3df24e36327 | |
| parent | 54e4b4720e7eda31b4e3c72a09d0bcda9dd3482c (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.c | 7 |
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; } } |