Gentle ping. Any comments on these patches? On Tue, Jan 25, 2022 at 03:16:19PM +0100, Joerg Roedel wrote: > From: Joerg Roedel <jroedel@xxxxxxx> > > Hi, > > here is a small set of patches which I originally took from the > pending SEV-SNP patch-sets to enable basic support for GHCB protocol > version 2. Meanwhile a couple of other patches from Sean > Christopherson have been added. > > When SEV-SNP is not supported, only two new MSR protocol VMGEXIT calls > are required: > > - MSR-based AP-reset-hold > - MSR-based HV-feature-request > > These calls are implemented here and then the protocol is lifted to > version 2. > > This is submitted separately because the MSR-based AP-reset-hold call > is required to support kexec/kdump in SEV-ES guests. > > The previous version can be found here: > > https://lore.kernel.org/kvm/20211020124416.24523-1-joro@xxxxxxxxxx/ > > Regards, > > Joerg > > Changes v5->v6: > > - Rebased to v5.17-rc1 > - Added changes requested by Sean Christopherson > > Brijesh Singh (2): > KVM: SVM: Add support for Hypervisor Feature support MSR protocol > KVM: SVM: Increase supported GHCB protocol version > > Joerg Roedel (2): > KVM: SVM: Get rid of set_ghcb_msr() and *ghcb_msr_bits() functions > KVM: SVM: Move kvm_emulate_ap_reset_hold() to AMD specific code > > Sean Christopherson (2): > KVM: SVM: Add helper to generate GHCB MSR verson info, and drop macro > KVM: SVM: Set "released" on INIT-SIPI iff SEV-ES vCPU was in AP reset > hold > > Tom Lendacky (1): > KVM: SVM: Add support to handle AP reset MSR protocol > > arch/x86/include/asm/kvm_host.h | 2 +- > arch/x86/include/asm/sev-common.h | 18 ++-- > arch/x86/include/uapi/asm/svm.h | 1 + > arch/x86/kvm/svm/sev.c | 169 ++++++++++++++++++++---------- > arch/x86/kvm/svm/svm.c | 13 ++- > arch/x86/kvm/svm/svm.h | 10 +- > arch/x86/kvm/x86.c | 12 +-- > 7 files changed, 137 insertions(+), 88 deletions(-) > > > base-commit: e783362eb54cd99b2cac8b3a9aeac942e6f6ac07 > -- > 2.34.1
