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(parent: 47c61b3) | patch
KVM: SVM: Implement VIRT_SPEC_CTRL support for SSBD
authorTom Lendacky <thomas.lendacky@amd.com>
Thu, 10 May 2018 20:06:39 +0000 (22:06 +0200)
committerThomas Gleixner <tglx@linutronix.de>
Thu, 17 May 2018 15:09:21 +0000 (17:09 +0200)
commitbc226f07dcd3c9ef0b7f6236fe356ea4a9cb4769
tree59513d5643fe684d8f08ffdc3c31c681608d30a6tree | snapshot
parent47c61b3955cf712cadfc25635bf9bc174af030eacommit | diff
KVM: SVM: Implement VIRT_SPEC_CTRL support for SSBD

Expose the new virtualized architectural mechanism, VIRT_SSBD, for using
speculative store bypass disable (SSBD) under SVM.  This will allow guests
to use SSBD on hardware that uses non-architectural mechanisms for enabling
SSBD.

[ tglx: Folded the migration fixup from Paolo Bonzini ]

Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
arch/x86/include/asm/kvm_host.h diff | blob | history
arch/x86/kernel/cpu/common.c diff | blob | history
arch/x86/kvm/cpuid.c diff | blob | history
arch/x86/kvm/svm.c diff | blob | history
arch/x86/kvm/vmx.c diff | blob | history
arch/x86/kvm/x86.c diff | blob | history
MicroBlaze GIT Repository