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KVM: SVM: Advertise TSA CPUID bits to guests
authorBorislav Petkov (AMD) <bp@alien8.de>
Wed, 11 Sep 2024 09:00:50 +0000 (11:00 +0200)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 10 Jul 2025 14:03:21 +0000 (16:03 +0200)
commit276499bb6944c5300ee79439302529c3b28564dd
tree2812b3e2815b8f64b0a785af999f2559b512267btree | snapshot
parent90293047df18caf7ed0fe566d89af0720f2dc98acommit | diff
KVM: SVM: Advertise TSA CPUID bits to guests

Commit 31272abd5974b38ba312e9cf2ec2f09f9dd7dcba upstream.

Synthesize the TSA CPUID feature bits for guests. Set TSA_{SQ,L1}_NO on
unaffected machines.

Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
arch/x86/kvm/cpuid.c diff | blob | blame | history
arch/x86/kvm/reverse_cpuid.h diff | blob | blame | history
Mirror https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git