diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2009-03-23 09:50:03 -0400 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2009-03-23 16:20:20 -0400 |
| commit | 80c5520811d3805adcb15c570ea5e2d489fa5d0b (patch) | |
| tree | ae797a7f4af39f80e77526533d06ac23b439f0ab /arch/x86/include/asm/mach_traps.h | |
| parent | b3e3b302cf6dc8d60b67f0e84d1fa5648889c038 (diff) | |
| parent | 8c083f081d0014057901c68a0a3e0f8ca7ac8d23 (diff) | |
Merge branch 'cpus4096' into irq/threaded
Conflicts:
arch/parisc/kernel/irq.c
kernel/irq/handle.c
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'arch/x86/include/asm/mach_traps.h')
| -rw-r--r-- | arch/x86/include/asm/mach_traps.h | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/arch/x86/include/asm/mach_traps.h b/arch/x86/include/asm/mach_traps.h new file mode 100644 index 00000000000..f7920601e47 --- /dev/null +++ b/arch/x86/include/asm/mach_traps.h | |||
| @@ -0,0 +1,33 @@ | |||
| 1 | /* | ||
| 2 | * Machine specific NMI handling for generic. | ||
| 3 | * Split out from traps.c by Osamu Tomita <tomita@cinet.co.jp> | ||
| 4 | */ | ||
| 5 | #ifndef _ASM_X86_MACH_DEFAULT_MACH_TRAPS_H | ||
| 6 | #define _ASM_X86_MACH_DEFAULT_MACH_TRAPS_H | ||
| 7 | |||
| 8 | #include <asm/mc146818rtc.h> | ||
| 9 | |||
| 10 | static inline unsigned char get_nmi_reason(void) | ||
| 11 | { | ||
| 12 | return inb(0x61); | ||
| 13 | } | ||
| 14 | |||
| 15 | static inline void reassert_nmi(void) | ||
| 16 | { | ||
| 17 | int old_reg = -1; | ||
| 18 | |||
| 19 | if (do_i_have_lock_cmos()) | ||
| 20 | old_reg = current_lock_cmos_reg(); | ||
| 21 | else | ||
| 22 | lock_cmos(0); /* register doesn't matter here */ | ||
| 23 | outb(0x8f, 0x70); | ||
| 24 | inb(0x71); /* dummy */ | ||
| 25 | outb(0x0f, 0x70); | ||
| 26 | inb(0x71); /* dummy */ | ||
| 27 | if (old_reg >= 0) | ||
| 28 | outb(old_reg, 0x70); | ||
| 29 | else | ||
| 30 | unlock_cmos(); | ||
| 31 | } | ||
| 32 | |||
| 33 | #endif /* _ASM_X86_MACH_DEFAULT_MACH_TRAPS_H */ | ||
