Commit 497f7028 authored by Dave Hansen's avatar Dave Hansen
Browse files

x86/cpu: Move MWAIT leaf definition to common header 



Begin constructing a common place to keep all CPUID leaf definitions.
Move CPUID_MWAIT_LEAF to the CPUID header and include it where
needed.

Signed-off-by: default avatarDave Hansen <dave.hansen@linux.intel.com>
Reviewed-by: default avatarZhao Liu <zhao1.liu@intel.com>
Link: https://lore.kernel.org/all/20241213205028.EE94D02A%40davehans-spike.ostc.intel.com
parent 5366d896

arch/x86/include/asm/cpuid.h

+2 −0
Original line number Diff line number Diff line
@@ -21,6 +21,8 @@ enum cpuid_regs_idx { 
	CPUID_EDX,

};



#define CPUID_MWAIT_LEAF		5



#ifdef CONFIG_X86_32

bool have_cpuid_p(void);

#else

arch/x86/include/asm/mwait.h

+0 −1
Original line number Diff line number Diff line
@@ -15,7 +15,6 @@ 
#define MWAIT_HINT2SUBSTATE(hint)	((hint) & MWAIT_CSTATE_MASK)

#define MWAIT_C1_SUBSTATE_MASK  0xf0



#define CPUID_MWAIT_LEAF		5

#define CPUID5_ECX_EXTENSIONS_SUPPORTED 0x1

#define CPUID5_ECX_INTERRUPT_BREAK	0x2

arch/x86/kernel/acpi/cstate.c

+1 −0
Original line number Diff line number Diff line
@@ -13,6 +13,7 @@ 
#include <linux/sched.h>



#include <acpi/processor.h>

#include <asm/cpuid.h>

#include <asm/mwait.h>

#include <asm/special_insns.h>

arch/x86/kernel/hpet.c

+1 −0
Original line number Diff line number Diff line
@@ -7,6 +7,7 @@ 
#include <linux/cpu.h>

#include <linux/irq.h>



#include <asm/cpuid.h>

#include <asm/irq_remapping.h>

#include <asm/hpet.h>

#include <asm/time.h>

arch/x86/kernel/process.c

+1 −0
Original line number Diff line number Diff line
@@ -30,6 +30,7 @@ 
#include <linux/hw_breakpoint.h>

#include <linux/entry-common.h>

#include <asm/cpu.h>

#include <asm/cpuid.h>

#include <asm/apic.h>

#include <linux/uaccess.h>

#include <asm/mwait.h>