Patch Series

Subject	VMSCAPE optimization for BHI variant
Author	pawan.kumar.gupta@linux.intel.com
Date	2025-10-27 23:43:20 +0000 UTC
Version	3
Cc	asit.k.mallick@intel.com bp@alien8.de dave.hansen@linux.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 v3 1/3] x86/bhi: Add BHB clearing for CPUs with larger branch history	[Body]
[PATCH v3 2/3] x86/vmscape: Replace IBPB with branch history clear on exit to userspace	[Body]
[PATCH v3 3/3] x86/vmscape: Remove LFENCE from BHB clearing long loop	[Body]

Session 2025-10-27

ID (for dev)	5b74e1ba-9c3a-4ecc-b2bf-a792d796575e
Status	finished
Triaged	OK [Log]
Execution Log	[Link]

Test	Base	Patched	Verdict
[KASAN] Build Base	211ddde0823f1442e4ad052a2f30f050145ccada [Config]		passed [Log]
[KASAN] Boot test: Base	211ddde0823f1442e4ad052a2f30f050145ccada [Config]		passed
[KASAN] Build Patched		211ddde0823f1442e4ad052a2f30f050145ccada [Config] [patched]	passed [Log]
[KASAN] Boot test: Patched		211ddde0823f1442e4ad052a2f30f050145ccada [Config] [patched]	passed
[KASAN] Fuzzing	211ddde0823f1442e4ad052a2f30f050145ccada [Config]	211ddde0823f1442e4ad052a2f30f050145ccada [Config] [patched]	passed [Log] [Artifacts]