diff options
| author | Sean Christopherson <seanjc@google.com> | 2026-04-17 02:23:26 +0300 |
|---|---|---|
| committer | Sean Christopherson <seanjc@google.com> | 2026-05-13 19:55:53 +0300 |
| commit | 82bf8282444c03a8a61b718b3ba3582b0481e970 (patch) | |
| tree | ee3c598715dade7ac1a8a2e55a48c9eed6b5fb13 | |
| parent | c2a02db765af244a9a221aac386245ed4513fb81 (diff) | |
| download | linux-82bf8282444c03a8a61b718b3ba3582b0481e970.tar.xz | |
KVM: SEV: Consolidate logic for printing state of SEV{,-ES,-SNP} enabling
Add a helper to print enabled/unusable/disabled for SEV+ VM types in
anticipation of SNP also being subjecting to "unusable" logic.
No functional change intended.
Reviewed-by: Tom Lendacky <thomas.lendacky@amd.com>
Tested-by: Tycho Andersen (AMD) <tycho@kernel.org>
Link: https://patch.msgid.link/20260416232329.3408497-5-seanjc@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
| -rw-r--r-- | arch/x86/kvm/svm/sev.c | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/arch/x86/kvm/svm/sev.c b/arch/x86/kvm/svm/sev.c index e5e7d6a99220..c4bbe49bb8c1 100644 --- a/arch/x86/kvm/svm/sev.c +++ b/arch/x86/kvm/svm/sev.c @@ -3050,6 +3050,11 @@ out: return initialized; } +static const char * __init sev_str_feature_state(bool is_supported, bool is_usable) +{ + return is_supported ? is_usable ? "enabled" : "unusable" : "disabled"; +} + void __init sev_hardware_setup(void) { unsigned int eax, ebx, ecx, edx, sev_asid_count, sev_es_asid_count; @@ -3199,19 +3204,15 @@ out: if (boot_cpu_has(X86_FEATURE_SEV)) pr_info("SEV %s (ASIDs %u - %u)\n", - sev_supported ? min_sev_asid <= max_sev_asid ? "enabled" : - "unusable" : - "disabled", + sev_str_feature_state(sev_supported, min_sev_asid <= max_sev_asid), min_sev_asid, max_sev_asid); if (boot_cpu_has(X86_FEATURE_SEV_ES)) pr_info("SEV-ES %s (ASIDs %u - %u)\n", - sev_es_supported ? min_sev_es_asid <= max_sev_es_asid ? "enabled" : - "unusable" : - "disabled", + sev_str_feature_state(sev_es_supported, min_sev_es_asid <= max_sev_es_asid), min_sev_es_asid, max_sev_es_asid); if (boot_cpu_has(X86_FEATURE_SEV_SNP)) pr_info("SEV-SNP %s (ASIDs %u - %u)\n", - str_enabled_disabled(sev_snp_supported), + sev_str_feature_state(sev_snp_supported, true), min_snp_asid, max_snp_asid); sev_enabled = sev_supported; |