diff options
author | Ingo Molnar <mingo@elte.hu> | 2009-04-08 06:31:21 -0400 |
---|---|---|
committer | H. Peter Anvin <hpa@zytor.com> | 2009-05-28 12:24:09 -0400 |
commit | ed8bc7ed9a2ad875617b24d2ba09e49ee886638c (patch) | |
tree | a91e2e43b4b8450c99755248a12dea5bf66fe92a /arch/x86 | |
parent | c5aaf0e0702513637278ca4e27a156caa9392817 (diff) |
x86, mce: clean up p5.c
Make the coding style match that of the rest of the x86 arch code.
[ Impact: cleanup ]
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')
-rw-r--r-- | arch/x86/kernel/cpu/mcheck/p5.c | 43 |
1 files changed, 28 insertions, 15 deletions
diff --git a/arch/x86/kernel/cpu/mcheck/p5.c b/arch/x86/kernel/cpu/mcheck/p5.c index c9f77ea69edc..8812f5441830 100644 --- a/arch/x86/kernel/cpu/mcheck/p5.c +++ b/arch/x86/kernel/cpu/mcheck/p5.c | |||
@@ -2,11 +2,10 @@ | |||
2 | * P5 specific Machine Check Exception Reporting | 2 | * P5 specific Machine Check Exception Reporting |
3 | * (C) Copyright 2002 Alan Cox <alan@lxorguk.ukuu.org.uk> | 3 | * (C) Copyright 2002 Alan Cox <alan@lxorguk.ukuu.org.uk> |
4 | */ | 4 | */ |
5 | |||
6 | #include <linux/init.h> | ||
7 | #include <linux/types.h> | ||
8 | #include <linux/kernel.h> | ||
9 | #include <linux/interrupt.h> | 5 | #include <linux/interrupt.h> |
6 | #include <linux/kernel.h> | ||
7 | #include <linux/types.h> | ||
8 | #include <linux/init.h> | ||
10 | #include <linux/smp.h> | 9 | #include <linux/smp.h> |
11 | 10 | ||
12 | #include <asm/processor.h> | 11 | #include <asm/processor.h> |
@@ -15,39 +14,53 @@ | |||
15 | 14 | ||
16 | #include "mce.h" | 15 | #include "mce.h" |
17 | 16 | ||
18 | /* Machine check handler for Pentium class Intel */ | 17 | /* Machine check handler for Pentium class Intel CPUs: */ |
19 | static void pentium_machine_check(struct pt_regs *regs, long error_code) | 18 | static void pentium_machine_check(struct pt_regs *regs, long error_code) |
20 | { | 19 | { |
21 | u32 loaddr, hi, lotype; | 20 | u32 loaddr, hi, lotype; |
21 | |||
22 | rdmsr(MSR_IA32_P5_MC_ADDR, loaddr, hi); | 22 | rdmsr(MSR_IA32_P5_MC_ADDR, loaddr, hi); |
23 | rdmsr(MSR_IA32_P5_MC_TYPE, lotype, hi); | 23 | rdmsr(MSR_IA32_P5_MC_TYPE, lotype, hi); |
24 | printk(KERN_EMERG "CPU#%d: Machine Check Exception: 0x%8X (type 0x%8X).\n", smp_processor_id(), loaddr, lotype); | 24 | |
25 | if (lotype&(1<<5)) | 25 | printk(KERN_EMERG |
26 | printk(KERN_EMERG "CPU#%d: Possible thermal failure (CPU on fire ?).\n", smp_processor_id()); | 26 | "CPU#%d: Machine Check Exception: 0x%8X (type 0x%8X).\n", |
27 | smp_processor_id(), loaddr, lotype); | ||
28 | |||
29 | if (lotype & (1<<5)) { | ||
30 | printk(KERN_EMERG | ||
31 | "CPU#%d: Possible thermal failure (CPU on fire ?).\n", | ||
32 | smp_processor_id()); | ||
33 | } | ||
34 | |||
27 | add_taint(TAINT_MACHINE_CHECK); | 35 | add_taint(TAINT_MACHINE_CHECK); |
28 | } | 36 | } |
29 | 37 | ||
30 | /* Set up machine check reporting for processors with Intel style MCE */ | 38 | /* Set up machine check reporting for processors with Intel style MCE: */ |
31 | void intel_p5_mcheck_init(struct cpuinfo_x86 *c) | 39 | void intel_p5_mcheck_init(struct cpuinfo_x86 *c) |
32 | { | 40 | { |
33 | u32 l, h; | 41 | u32 l, h; |
34 | 42 | ||
35 | /*Check for MCE support */ | 43 | /* Check for MCE support: */ |
36 | if (!cpu_has(c, X86_FEATURE_MCE)) | 44 | if (!cpu_has(c, X86_FEATURE_MCE)) |
37 | return; | 45 | return; |
38 | 46 | ||
39 | /* Default P5 to off as its often misconnected */ | 47 | /* Default P5 to off as its often misconnected: */ |
40 | if (mce_disabled != -1) | 48 | if (mce_disabled != -1) |
41 | return; | 49 | return; |
50 | |||
42 | machine_check_vector = pentium_machine_check; | 51 | machine_check_vector = pentium_machine_check; |
52 | /* Make sure the vector pointer is visible before we enable MCEs: */ | ||
43 | wmb(); | 53 | wmb(); |
44 | 54 | ||
45 | /* Read registers before enabling */ | 55 | /* Read registers before enabling: */ |
46 | rdmsr(MSR_IA32_P5_MC_ADDR, l, h); | 56 | rdmsr(MSR_IA32_P5_MC_ADDR, l, h); |
47 | rdmsr(MSR_IA32_P5_MC_TYPE, l, h); | 57 | rdmsr(MSR_IA32_P5_MC_TYPE, l, h); |
48 | printk(KERN_INFO "Intel old style machine check architecture supported.\n"); | 58 | printk(KERN_INFO |
59 | "Intel old style machine check architecture supported.\n"); | ||
49 | 60 | ||
50 | /* Enable MCE */ | 61 | /* Enable MCE: */ |
51 | set_in_cr4(X86_CR4_MCE); | 62 | set_in_cr4(X86_CR4_MCE); |
52 | printk(KERN_INFO "Intel old style machine check reporting enabled on CPU#%d.\n", smp_processor_id()); | 63 | printk(KERN_INFO |
64 | "Intel old style machine check reporting enabled on CPU#%d.\n", | ||
65 | smp_processor_id()); | ||
53 | } | 66 | } |