Subject VMSCAPE optimization for BHI variant
Author pawan.kumar.gupta@linux.intel.com
Date 2025-10-16 01:51:55 +0000 UTC
Version
Cc asit.k.mallick@intel.com david.kaplan@amd.com hpa@zytor.com jpoimboe@kernel.org kvm@vger.kernel.org linux-kernel@vger.kernel.org pawan.kumar.gupta@linux.intel.com pbonzini@redhat.com seanjc@google.com tao1.zhang@intel.com x86@kernel.org
Patches (3)
Name Content [All]
[PATCH v2 1/3] x86/bhi: Add BHB clearing for CPUs with larger branch history [Body]
[PATCH v2 2/3] x86/vmscape: Replace IBPB with branch history clear on exit to userspace [Body]
[PATCH v2 3/3] x86/vmscape: Remove LFENCE from BHB clearing long loop [Body]
Series Summary
Passed
✓ All tests passed. No findings.
Sessions
Session 2025-10-16
Passed
ID (for dev) 3136fb7a-f6db-4a0f-a713-fb0e0830f0f7
Status finished
Triaged OK [Log]
Execution Log [Link]
Test Base Patched Verdict
[KASAN] Build Base 3a8660878839faadb4f1a6dd72c3179c1df56787 [Config] passed [Log]
[KASAN] Boot test: Base 3a8660878839faadb4f1a6dd72c3179c1df56787 [Config] passed
[KASAN] Build Patched 3a8660878839faadb4f1a6dd72c3179c1df56787 [Config] [patched] passed [Log]
[KASAN] Boot test: Patched 3a8660878839faadb4f1a6dd72c3179c1df56787 [Config] [patched] passed
[KASAN] Fuzzing 3a8660878839faadb4f1a6dd72c3179c1df56787 [Config] 3a8660878839faadb4f1a6dd72c3179c1df56787 [Config] [patched] passed [Log] [Artifacts]