x86/cpu: Move TSC CPUID leaf definition

Prepare to use the TSC CPUID leaf definition more widely by moving
it to the common header.

Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com>
Reviewed-by: Zhao Liu <zhao1.liu@intel.com>
Link: https://lore.kernel.org/all/20241213205033.68799E53%40davehans-spike.ostc.intel.com

diff --git a/arch/x86/events/intel/pt.c b/arch/x86/events/intel/pt.c
index 4b0373bc8ab4475ec72622554ede7cd1568e7b20..608145566fca609724776142520892aad3a81e1d 100644 (file)
--- a/arch/x86/events/intel/pt.c
+++ b/arch/x86/events/intel/pt.c
@@ -18,6 +18,7 @@
 #include <linux/slab.h>
 #include <linux/device.h>
 
+#include <asm/cpuid.h>
 #include <asm/perf_event.h>
 #include <asm/insn.h>
 #include <asm/io.h>

diff --git a/arch/x86/events/intel/pt.h b/arch/x86/events/intel/pt.h
index 7ee94fc6d7cb5d4e6149afec4cc342f2b19f7594..2ac36250b6560e7e0489f0f128e49bd03e613936 100644 (file)
--- a/arch/x86/events/intel/pt.h
+++ b/arch/x86/events/intel/pt.h
@@ -37,9 +37,6 @@ struct topa_entry {
        u64     rsvd4   : 12;
 };
 
-/* TSC to Core Crystal Clock Ratio */
-#define CPUID_TSC_LEAF         0x15
-
 struct pt_pmu {
        struct pmu              pmu;
        u32                     caps[PT_CPUID_REGS_NUM * PT_CPUID_LEAVES];

diff --git a/arch/x86/include/asm/cpuid.h b/arch/x86/include/asm/cpuid.h
index 8ba4d9fdc9e7875a2ea34c131f7eea05040ff68e..9b0d14bfd2f2ecda85210173fa18ee0fd2db78d2 100644 (file)
--- a/arch/x86/include/asm/cpuid.h
+++ b/arch/x86/include/asm/cpuid.h
@@ -23,6 +23,7 @@ enum cpuid_regs_idx {
 
 #define CPUID_MWAIT_LEAF       0x5
 #define CPUID_DCA_LEAF         0x9
+#define CPUID_TSC_LEAF         0x15
 
 #ifdef CONFIG_X86_32
 bool have_cpuid_p(void);