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authorLinus Torvalds <torvalds@linux-foundation.org>2010-10-21 16:45:38 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2010-10-21 16:45:38 -0400
commit2a8b67fb72c4c4bc15fe8095e3ed613789c8b82f (patch)
tree1dac291641bc5d0a3acff3d1e48b3328ae54462b /arch/x86/kernel/acpi
parentb6f7e38dbb310557fe890b04b1a376c93f638c3b (diff)
parentce5f68246bf2385d6174856708d0b746dc378f20 (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.c11
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
66static short mwait_supported[ACPI_PROCESSOR_MAX_POWER]; 67static 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
80static long acpi_processor_ffh_cstate_probe_cpu(void *_cx) 71static long acpi_processor_ffh_cstate_probe_cpu(void *_cx)