On 12/5/2023 10:43 PM, Dionna Amalie Glaze wrote: > On Tue, Nov 28, 2023 at 5:01 AM Nikunj A Dadhania <nikunj@xxxxxxx> wrote: >> >> +int snp_setup_psp_messaging(struct snp_guest_dev *snp_dev) >> +{ >> + struct sev_guest_platform_data *pdata; >> + int ret; >> + >> + if (!cc_platform_has(CC_ATTR_GUEST_SEV_SNP)) { > > Note that this may be going away in favor of an > cpu_feature_enabled(X86_FEATURE_...) check given Kirill's "[PATCH] > x86/coco, x86/sev: Use cpu_feature_enabled() to detect SEV guest > flavor" I do not see a conclusion on that yet, so we should wait. >> +bool snp_assign_vmpck(struct snp_guest_dev *dev, unsigned int vmpck_id) >> +{ >> + if (WARN_ON(vmpck_id > 3)) > > This constant 3 should be #define'd, I believe. Sure, I am working on few changes related to mutex per vmpck that Tom had suggested offline, that will also need a #define. Thanks Nikunj