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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 13:59:54 +0000 (15:59 +0200)
commit5c30f037bc0dde32517febb9fdebf02fbcf24959
treecef7c55cf963c427abcb21e17f8dc9038d7c8278tree
parentd12145e8454fbd1de168af57d444b943e4300dc1commit | 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