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authorRobert Richter <robert.richter@amd.com>2010-10-25 16:28:14 +0200
committerRobert Richter <robert.richter@amd.com>2010-10-25 16:29:12 +0200
commitdbd1e66e04558a582e673bc4a9cd933ce0228d93 (patch)
tree85f3633276282cde0a3ac558d988704eaa3e68af /arch/x86/include/asm/mwait.h
parent328b8f1ba50b708a1b3c0acd7c41ee1b356822f6 (diff)
parent4a60cfa9457749f7987fd4f3c956dbba5a281129 (diff)
Merge commit 'linux-2.6/master' (early part) into oprofile/core
This branch depends on these apic patches: apic, x86: Use BIOS settings for IBS and MCE threshold interrupt LVT offsets apic, x86: Check if EILVT APIC registers are available (AMD only) Signed-off-by: Robert Richter <robert.richter@amd.com>
Diffstat (limited to 'arch/x86/include/asm/mwait.h')
-rw-r--r--arch/x86/include/asm/mwait.h15
1 files changed, 15 insertions, 0 deletions
diff --git a/arch/x86/include/asm/mwait.h b/arch/x86/include/asm/mwait.h
new file mode 100644
index 00000000000..bcdff997668
--- /dev/null
+++ b/arch/x86/include/asm/mwait.h
@@ -0,0 +1,15 @@
+#ifndef _ASM_X86_MWAIT_H
+#define _ASM_X86_MWAIT_H
+
+#define MWAIT_SUBSTATE_MASK 0xf
+#define MWAIT_CSTATE_MASK 0xf
+#define MWAIT_SUBSTATE_SIZE 4
+#define MWAIT_MAX_NUM_CSTATES 8
+
+#define CPUID_MWAIT_LEAF 5
+#define CPUID5_ECX_EXTENSIONS_SUPPORTED 0x1
+#define CPUID5_ECX_INTERRUPT_BREAK 0x2
+
+#define MWAIT_ECX_INTERRUPT_BREAK 0x1
+
+#endif /* _ASM_X86_MWAIT_H */