diff options
| author | Ingo Molnar <mingo@elte.hu> | 2008-09-02 17:54:10 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2008-09-08 04:44:32 -0700 |
| commit | 06a27e265d6be92db8ef6e4abbef33c45453b2cb (patch) | |
| tree | 8227b5de75e1f802003129b3cf24f79e518f683e /arch | |
| parent | ee69675af511022b8a324c4a208a91f901f0a6c4 (diff) | |
x86: work around MTRR mask setting, v2
commit 9754a5b840a209bc1f192d59f63e81b698a55ac8 upstream
x86: work around MTRR mask setting, v2
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: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'arch')
| -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 10a46dec1f1..745b974d5c9 100644 --- a/arch/x86/kernel/cpu/mtrr/generic.c +++ b/arch/x86/kernel/cpu/mtrr/generic.c @@ -387,7 +387,12 @@ 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; } } |