[AMD Official Use Only - General] Hello Boris, >> Subject: [PATCH Part2 v6 04/49] x86/sev: set SYSCFG.MFMD >That subject title needs to be made human readable. Ok. >> SEV-SNP FW >= 1.51 requires that SYSCFG.MFMD must be set. >Because? This is a FW requirement. >Also, commit message needs to be human-readable and not pseudocode. >> @@ -2325,6 +2346,9 @@ static __init int __snp_rmptable_init(void) >> /* Flush the caches to ensure that data is written before SNP is enabled. */ >> wbinvd_on_all_cpus(); >> >> + /* MFDM must be enabled on all the CPUs prior to enabling SNP. */ >> + on_each_cpu(mfdm_enable, NULL, 1); >> + >> /* Enable SNP on all CPUs. */ >> on_each_cpu(snp_enable, NULL, 1); >No, not two IPI generating function calls - one and do everything in it. >I.e., what Marc said. Ok got that. Thanks, Ashish