On 8/4/2025 4:07 PM, Nikunj A Dadhania wrote: > Patches are based on kvm/next with [1] applied > > Testing Secure TSC > ------------------ > > Secure TSC guest patches are available as part of v6.14. > > QEMU changes: > https://github.com/AMDESE/qemu/tree/snp-securetsc-latest > > QEMU command line SEV-SNP with Secure TSC: > > qemu-system-x86_64 -cpu EPYC-Milan-v2 -smp 4 \ > -object memory-backend-memfd,id=ram1,size=1G,share=true,prealloc=false,reserve=false \ > -object sev-snp-guest,id=sev0,cbitpos=51,reduced-phys-bits=1,secure-tsc=on,stsc-freq=2000000000 \ > -machine q35,confidential-guest-support=sev0,memory-backend=ram1 \ > ... > > Changelog: > ---------- > v10: > * Rebased on kvm/next > * Collect RB from Kai Huang > > v9: https://lore.kernel.org/kvm/20250716060836.2231613-1-nikunj@xxxxxxx/ > * Set guest_tsc_protected during guest vCPU creation (Kai Huang) > * Improve error handling (Kai Huang) > * Disable MSR_AMD64_GUEST_TSC_FREQ write interception (Sean) > > > 1. https://lore.kernel.org/kvm/20250804090945.267199-1-nikunj@xxxxxxx/ Hi Sean, A gentle reminder for review/merge. Regards, Nikunj
