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[RFC,19/22] x86/PMUv4: bump max PMU version to 4

Message ID 981a906f2f309c5f9e7740f621929f7a58d7daaf.1698261255.git.edwin.torok@cloud.com (mailing list archive)
State New, archived
Headers show
Series vPMU bugfixes and support for PMUv5 | expand

Commit Message

Edwin Török Oct. 25, 2023, 7:29 p.m. UTC 
From: Edwin Török <edvin.torok@citrix.com>

Depends on the other x86/PMUv4 patches:
"x86/PMUv4: disable intercept for PERF_GLOBAL_STATUS"
"x86/PMUv4: IA32_PERF_GLOBAL_{STATUS_SET, INUSE} support"
"x86/PMUv4: support LBR_Frz and CTR_Frz"

Signed-off-by: Edwin Török <edvin.torok@citrix.com>
---
 xen/arch/x86/include/asm/vpmu.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/xen/arch/x86/include/asm/vpmu.h b/xen/arch/x86/include/asm/vpmu.h
index 79f7f4a09e..eaededadb5 100644
--- a/xen/arch/x86/include/asm/vpmu.h
+++ b/xen/arch/x86/include/asm/vpmu.h
@@ -74,7 +74,7 @@  struct vpmu_struct {
 #define VPMU_CPU_HAS_DS                     0x1000 /* Has Debug Store */
 #define VPMU_CPU_HAS_BTS                    0x2000 /* Has Branch Trace Store */
 
-#define VPMU_VERSION_MAX                    0x3
+#define VPMU_VERSION_MAX                    0x4
 #define VPMU_VERSION_MAX_SUPPORTED          0x5
 
 static inline void vpmu_set(struct vpmu_struct *vpmu, const u32 mask)