Patch Series

Subject VMSCAPE optimization for BHI variant
Author pawan.kumar.gupta@linux.intel.com
Date 2025-12-02 06:18:59 +0000 UTC
Version
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 nik.borisov@suse.com pawan.kumar.gupta@linux.intel.com pbonzini@redhat.com seanjc@google.com tao1.zhang@intel.com x86@kernel.org

Patches (9)

Name Content [All]
[PATCH v6 1/9] x86/bhi: x86/vmscape: Move LFENCE out of clear_bhb_loop() [Body]
[PATCH v6 2/9] x86/bhi: Make clear_bhb_loop() effective on newer CPUs [Body]
[PATCH v6 3/9] x86/vmscape: Rename x86_ibpb_exit_to_user to x86_predictor_flush_exit_to_user [Body]
[PATCH v6 4/9] x86/vmscape: Move mitigation selection to a switch() [Body]
[PATCH v6 5/9] x86/vmscape: Use write_ibpb() instead of indirect_branch_prediction_barrier() [Body]
[PATCH v6 6/9] x86/vmscape: Use static_call() for predictor flush [Body]
[PATCH v6 7/9] x86/vmscape: Deploy BHB clearing mitigation [Body]
[PATCH v6 8/9] x86/vmscape: Fix conflicting attack-vector controls with =force [Body]
[PATCH v6 9/9] x86/vmscape: Add cmdline vmscape=on to override attack vector controls [Body]

Session 2025-12-02

ID (for dev) 6082051a-05a6-4caa-97d6-48aad706b3ae
Status finished
Triaged OK [Log]
Execution Log [Link]
Test Base Patched Verdict
[KASAN] Build Base 4664fb427c8fd0080f40109f5e2b2090a6fb0c84 [Config] passed [Log]
[KASAN] Boot test: Base 4664fb427c8fd0080f40109f5e2b2090a6fb0c84 [Config] passed [Log]
[KASAN] Build Patched 4664fb427c8fd0080f40109f5e2b2090a6fb0c84 [Config] [patched] passed [Log]
[KASAN] Boot test: Patched 4664fb427c8fd0080f40109f5e2b2090a6fb0c84 [Config] [patched] passed [Log]
[KASAN] Fuzzing 4664fb427c8fd0080f40109f5e2b2090a6fb0c84 [Config] 4664fb427c8fd0080f40109f5e2b2090a6fb0c84 [Config] [patched] passed [Log] [Artifacts]