[PATCH 02/11] x86/cpu: Use MWAIT leaf definition

Dave Hansen
2024-11-20T19:53:30Z

From: Dave Hansen <dave.hansen@linux.intel.com>

The leaf-to-feature dependency array uses hard-coded leaf numbers.
Use the new common header definition for the MWAIT leaf.

Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com>
---

b/arch/x86/kernel/cpu/common.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

diff -puN arch/x86/kernel/cpu/common.c~mwait-leaf-checks-1 arch/x86/kernel/cpu/common.c
--- a/arch/x86/kernel/cpu/common.c~mwait-leaf-checks-1 2024-11-20 11:44:16.169610481 -0800
+++ b/arch/x86/kernel/cpu/common.c 2024-11-20 11:44:16.169610481 -0800
@@ -29,6 +29,7 @@

#include <asm/alternative.h>
#include <asm/cmdline.h>
+#include <asm/cpuid.h>
#include <asm/perf_event.h>
#include <asm/mmu_context.h>
#include <asm/doublefault.h>
@@ -637,7 +638,7 @@ struct cpuid_dependent_feature {

static const struct cpuid_dependent_feature
cpuid_dependent_features[] = {
- { X86_FEATURE_MWAIT, 0x00000005 },
+ { X86_FEATURE_MWAIT, CPUID_MWAIT_LEAF },
{ X86_FEATURE_DCA, 0x00000009 },
{ X86_FEATURE_XSAVE, 0x0000000d },
{ 0, 0 }
_