On 20/01/23 08:40, Alexey Kardashevskiy wrote: > With MSR_AMD64_SEV_DEBUG_SWAP enabled, the VM should not get #VC > events for DR7 read/write which it rather avoided. > SNP guest feature negotiation patch is part of tip now: https://lore.kernel.org/lkml/167414649850.4906.1693185384677559889.tip-bot2@tip-bot2/ MSR_AMD64_SNP_DEBUG_SWAP is already defined. As this requires guest side changes, please add MSR_AMD64_SNP_DEBUG_SWAP as part of SNP_FEATURES_PRESENT bit mask. Regards Nikunj
