diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2009-04-08 12:31:24 +0200 |
|---|---|---|
| committer | H. Peter Anvin <hpa@zytor.com> | 2009-05-28 09:24:12 -0700 |
| commit | 01c6680a547a3ee8dd170c269ea8e037b3191b71 (patch) | |
| tree | d915249ccc33aa6d99d0c1b671a7fbaf219ed4be /arch/x86/kernel | |
| parent | ba2d0f2b0c56d7174a0208f7c463271f39040728 (diff) | |
x86, mce: Cleanup MCG definitions
Decode more magic constants and turn them into symbols.
[ Sort definitions bitwise, introduce MCG_EXT_CNT - HS ]
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Diffstat (limited to 'arch/x86/kernel')
| -rw-r--r-- | arch/x86/kernel/cpu/mcheck/mce.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/arch/x86/kernel/cpu/mcheck/mce.c b/arch/x86/kernel/cpu/mcheck/mce.c index 49c74222359..14733362741 100644 --- a/arch/x86/kernel/cpu/mcheck/mce.c +++ b/arch/x86/kernel/cpu/mcheck/mce.c @@ -569,7 +569,8 @@ static int mce_cap_init(void) u64 cap; rdmsrl(MSR_IA32_MCG_CAP, cap); - b = cap & 0xff; + + b = cap & MCG_BANKCNT_MASK; printk(KERN_INFO "mce: CPU supports %d MCE banks\n", b); if (b > MAX_NR_BANKS) { @@ -590,7 +591,7 @@ static int mce_cap_init(void) } /* Use accurate RIP reporting if available. */ - if ((cap & (1<<9)) && ((cap >> 16) & 0xff) >= 9) + if ((cap & MCG_EXT_P) && MCG_EXT_CNT(cap) >= 9) rip_msr = MSR_IA32_MCG_EIP; return 0; |