[PATCH 2/2] x86: Expose TSX Suspend Load Address Tracking
From: Cathy Zhang
Date: Sun Jul 05 2020 - 19:05:21 EST
TSX Suspend Load Address Tracking is supported by intel processors,
like Sapphire Rapids. Expose it in KVM supported cpuid.
The associated kernel enumeration patches link is as follows:
https://lore.kernel.org/patchwork/patch/1254756/
Signed-off-by: Cathy Zhang <cathy.zhang@xxxxxxxxx>
---
arch/x86/kvm/cpuid.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/x86/kvm/cpuid.c b/arch/x86/kvm/cpuid.c
index e603aeb..dcf48cc 100644
--- a/arch/x86/kvm/cpuid.c
+++ b/arch/x86/kvm/cpuid.c
@@ -342,7 +342,7 @@ void kvm_set_cpu_caps(void)
F(AVX512_4VNNIW) | F(AVX512_4FMAPS) | F(SPEC_CTRL) |
F(SPEC_CTRL_SSBD) | F(ARCH_CAPABILITIES) | F(INTEL_STIBP) |
F(MD_CLEAR) | F(AVX512_VP2INTERSECT) | F(FSRM) |
- F(SERIALIZE)
+ F(SERIALIZE) | F(TSX_LDTRK)
);
/* TSC_ADJUST and ARCH_CAPABILITIES are emulated in software. */
--
1.8.3.1