Subject KVM: SEV: Add support for IBPB-on-Entry and BTB Isolation
Author kim.phillips@amd.com
Date 2026-04-02 20:25:53 +0000 UTC
Version
Cc borislav.petkov@amd.com bp@alien8.de dave.hansen@linux.intel.com david.kaplan@amd.com kim.phillips@amd.com kprateek.nayak@amd.com kvm@vger.kernel.org linux-coco@lists.linux.dev linux-kernel@vger.kernel.org lkp@intel.com michael.roth@amd.com naveen.rao@amd.com nikunj@amd.com pawan.kumar.gupta@linux.intel.com pbonzini@redhat.com seanjc@google.com stable@kernel.org thomas.lendacky@amd.com x86@kernel.org
Patches (6)
Name Content [All]
[PATCH v3 1/6] cpu/bugs: Allow forcing Automatic IBRS with SNP active using spectre_v2=eibrs [Body]
[PATCH v3 2/6] cpu/bugs: Allow spectre_v2=ibrs on x86 vendors other than Intel [Body]
[PATCH v3 3/6] KVM: SEV: Disallow setting SNP-only features for non-SNP guests via a single mask [Body]
[PATCH v3 4/6] KVM: SEV: Advertise SVM_SEV_FEAT_SNP_ACTIVE [Body]
[PATCH v3 5/6] KVM: SEV: Add support for IBPB-on-Entry [Body]
[PATCH v3 6/6] KVM: SEV: Add support for SNP BTB Isolation [Body]
Series Summary
Passed
✓ All tests passed. No findings.
Sessions
Session 2026-04-02
Passed
ID (for dev) dfb92675-1ca4-469e-89fc-70741e0eedac
Status finished
Triaged OK [Log]
Execution Log [Link]
Test Base Patched Verdict
[KASAN] Build Base bdac8bb1d4f60d5115361bc61ff404e9eb62ece7 [Config] passed [Log]
[KASAN] Boot test: Base bdac8bb1d4f60d5115361bc61ff404e9eb62ece7 [Config] passed [Log]
[KASAN] Build Patched bdac8bb1d4f60d5115361bc61ff404e9eb62ece7 [Config] [patched] passed [Log]
[KASAN] Boot test: Patched bdac8bb1d4f60d5115361bc61ff404e9eb62ece7 [Config] [patched] passed [Log]
[KASAN] Fuzz bdac8bb1d4f60d5115361bc61ff404e9eb62ece7 [Config] bdac8bb1d4f60d5115361bc61ff404e9eb62ece7 [Config] [patched] passed [Log] [Artifacts]