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author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-10-21 16:45:38 -0400 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-10-21 16:45:38 -0400 |
commit | 2a8b67fb72c4c4bc15fe8095e3ed613789c8b82f (patch) | |
tree | 1dac291641bc5d0a3acff3d1e48b3328ae54462b /arch/x86/kernel/acpi | |
parent | b6f7e38dbb310557fe890b04b1a376c93f638c3b (diff) | |
parent | ce5f68246bf2385d6174856708d0b746dc378f20 (diff) |
Merge branch 'x86-idle-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'x86-idle-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
x86, hotplug: In the MWAIT case of play_dead, CLFLUSH the cache line
x86, hotplug: Move WBINVD back outside the play_dead loop
x86, hotplug: Use mwait to offline a processor, fix the legacy case
x86, mwait: Move mwait constants to a common header file
Diffstat (limited to 'arch/x86/kernel/acpi')
-rw-r--r-- | arch/x86/kernel/acpi/cstate.c | 11 |
1 files changed, 1 insertions, 10 deletions
diff --git a/arch/x86/kernel/acpi/cstate.c b/arch/x86/kernel/acpi/cstate.c index fb16f17e59be..5812404a0d4c 100644 --- a/arch/x86/kernel/acpi/cstate.c +++ b/arch/x86/kernel/acpi/cstate.c | |||
@@ -13,6 +13,7 @@ | |||
13 | 13 | ||
14 | #include <acpi/processor.h> | 14 | #include <acpi/processor.h> |
15 | #include <asm/acpi.h> | 15 | #include <asm/acpi.h> |
16 | #include <asm/mwait.h> | ||
16 | 17 | ||
17 | /* | 18 | /* |
18 | * Initialize bm_flags based on the CPU cache properties | 19 | * Initialize bm_flags based on the CPU cache properties |
@@ -65,16 +66,6 @@ static struct cstate_entry __percpu *cpu_cstate_entry; /* per CPU ptr */ | |||
65 | 66 | ||
66 | static short mwait_supported[ACPI_PROCESSOR_MAX_POWER]; | 67 | static short mwait_supported[ACPI_PROCESSOR_MAX_POWER]; |
67 | 68 | ||
68 | #define MWAIT_SUBSTATE_MASK (0xf) | ||
69 | #define MWAIT_CSTATE_MASK (0xf) | ||
70 | #define MWAIT_SUBSTATE_SIZE (4) | ||
71 | |||
72 | #define CPUID_MWAIT_LEAF (5) | ||
73 | #define CPUID5_ECX_EXTENSIONS_SUPPORTED (0x1) | ||
74 | #define CPUID5_ECX_INTERRUPT_BREAK (0x2) | ||
75 | |||
76 | #define MWAIT_ECX_INTERRUPT_BREAK (0x1) | ||
77 | |||
78 | #define NATIVE_CSTATE_BEYOND_HALT (2) | 69 | #define NATIVE_CSTATE_BEYOND_HALT (2) |
79 | 70 | ||
80 | static long acpi_processor_ffh_cstate_probe_cpu(void *_cx) | 71 | static long acpi_processor_ffh_cstate_probe_cpu(void *_cx) |