Commit 531397a8 authored by Kim Phillips's avatar Kim Phillips Committed by Borislav Petkov (AMD)
Browse files

x86/sev: Rename SNP_FEATURES_PRESENT to SNP_FEATURES_IMPL 



Rename SNP_FEATURES_PRESENT to SNP_FEATURES_IMPL to denote its counterpart
relationship with SNP_FEATURES_IMPL_REQ.

  [ bp: Drop stable@, massage commit message. ]

Suggested-by: default avatarBorislav Petkov (AMD) <bp@alien8.de>
Suggested-by: default avatarTom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: default avatarKim Phillips <kim.phillips@amd.com>
Signed-off-by: default avatarBorislav Petkov (AMD) <bp@alien8.de>
Link: https://patch.msgid.link/20260203222405.4065706-4-kim.phillips@amd.com
parent cca14942

arch/x86/boot/compressed/sev.c

+3 −3
Original line number Diff line number Diff line
@@ -198,11 +198,11 @@ bool sev_es_check_ghcb_fault(unsigned long address) 
#endif



/*

 * SNP_FEATURES_PRESENT is the mask of SNP features that are implemented

 * SNP_FEATURES_IMPL is the mask of SNP features that are implemented

 * by the guest kernel. As and when a new feature is implemented in the

 * guest kernel, a corresponding bit should be added to the mask.

 */

#define SNP_FEATURES_PRESENT	(MSR_AMD64_SNP_DEBUG_SWAP |	\

#define SNP_FEATURES_IMPL	(MSR_AMD64_SNP_DEBUG_SWAP |	\

				 MSR_AMD64_SNP_SECURE_TSC |	\

				 SNP_FEATURE_SECURE_AVIC)
@@ -211,7 +211,7 @@ u64 snp_get_unsupported_features(u64 status) 
	if (!(status & MSR_AMD64_SEV_SNP_ENABLED))

		return 0;



	return status & SNP_FEATURES_IMPL_REQ & ~SNP_FEATURES_PRESENT;

	return status & SNP_FEATURES_IMPL_REQ & ~SNP_FEATURES_IMPL;

}



void snp_check_features(void)