linux-kernel - [PATCH v2 3/3] x86/sev: Rename SNP_FEATURES_PRESENT->SNP_FEATURES

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <20260203222405.4065706-4-kim.phillips@amd.com>
Date: Tue, 3 Feb 2026 16:24:05 -0600
From: Kim Phillips <kim.phillips@....com>
To: <linux-kernel@...r.kernel.org>, <kvm@...r.kernel.org>,
	<linux-coco@...ts.linux.dev>, <x86@...nel.org>
CC: Sean Christopherson <seanjc@...gle.com>, Paolo Bonzini
	<pbonzini@...hat.com>, K Prateek Nayak <kprateek.nayak@....com>, "Nikunj A
 Dadhania" <nikunj@....com>, Tom Lendacky <thomas.lendacky@....com>, "Michael
 Roth" <michael.roth@....com>, Borislav Petkov <borislav.petkov@....com>,
	Borislav Petkov <bp@...en8.de>, Naveen Rao <naveen.rao@....com>, David Kaplan
	<david.kaplan@....com>, Kim Phillips <kim.phillips@....com>,
	<stable@...nel.org>
Subject: [PATCH v2 3/3] x86/sev: Rename SNP_FEATURES_PRESENT->SNP_FEATURES_IMPL

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

Fixes: 8c29f0165405 ("x86/sev: Add SEV-SNP guest feature negotiation support")
Suggested-by: Borislav Petkov (AMD) <bp@...en8.de>
Suggested-by: Tom Lendacky <thomas.lendacky@....com>
Cc: Nikunj A Dadhania <nikunj@....com>
Cc: Michael Roth <michael.roth@....com>
Cc: stable@...nel.org
Signed-off-by: Kim Phillips <kim.phillips@....com>
---
v2: new this series

 arch/x86/boot/compressed/sev.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/arch/x86/boot/compressed/sev.c b/arch/x86/boot/compressed/sev.c
index 2b639703b8dd..aca5313d193c 100644
--- a/arch/x86/boot/compressed/sev.c
+++ b/arch/x86/boot/compressed/sev.c
@@ -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)
-- 
2.43.0