]> git.ipfire.org Git - thirdparty/kernel/stable.git/commit
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 13:57:50 +0000 (15:57 +0200)
commitc334ae4a545a1b1ae8aff4e5eb741af2c7624cc7
tree63a5f1d08c918e3325e15a765894634ee0b16b28
parent3d6513b51b72bf7ce92a4f2059102f6292c2db87
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
arch/x86/kvm/reverse_cpuid.h