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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2024-04-07 09:33:21 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2024-04-07 09:33:21 -0700 |
| commit | 9fe30842a90be9b57a3bd1a37c9aed92918cc6d0 (patch) | |
| tree | 19c918dc32f4ed14beab54677c8be405d0c31dfc /drivers/iommu/amd/init.c | |
| parent | 3520c35e5f0b00cfd6a774d04c1b3bb18edc428a (diff) | |
| parent | b377c66ae3509ccea596512d6afb4777711c4870 (diff) | |
Merge tag 'x86-urgent-2024-04-07' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Ingo Molnar:
- Fix MCE timer reinit locking
- Fix/improve CoCo guest random entropy pool init
- Fix SEV-SNP late disable bugs
- Fix false positive objtool build warning
- Fix header dependency bug
- Fix resctrl CPU offlining bug
* tag 'x86-urgent-2024-04-07' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/retpoline: Add NOENDBR annotation to the SRSO dummy return thunk
x86/mce: Make sure to grab mce_sysfs_mutex in set_bank()
x86/CPU/AMD: Track SNP host status with cc_platform_*()
x86/cc: Add cc_platform_set/_clear() helpers
x86/kvm/Kconfig: Have KVM_AMD_SEV select ARCH_HAS_CC_PLATFORM
x86/coco: Require seeding RNG with RDRAND on CoCo systems
x86/numa/32: Include missing <asm/pgtable_areas.h>
x86/resctrl: Fix uninitialized memory read when last CPU of domain goes offline
Diffstat (limited to 'drivers/iommu/amd/init.c')
| -rw-r--r-- | drivers/iommu/amd/init.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/iommu/amd/init.c b/drivers/iommu/amd/init.c index e7a44929f0da..33228c1c8980 100644 --- a/drivers/iommu/amd/init.c +++ b/drivers/iommu/amd/init.c @@ -3228,7 +3228,7 @@ out: static void iommu_snp_enable(void) { #ifdef CONFIG_KVM_AMD_SEV - if (!cpu_feature_enabled(X86_FEATURE_SEV_SNP)) + if (!cc_platform_has(CC_ATTR_HOST_SEV_SNP)) return; /* * The SNP support requires that IOMMU must be enabled, and is @@ -3236,12 +3236,14 @@ static void iommu_snp_enable(void) */ if (no_iommu || iommu_default_passthrough()) { pr_err("SNP: IOMMU disabled or configured in passthrough mode, SNP cannot be supported.\n"); + cc_platform_clear(CC_ATTR_HOST_SEV_SNP); return; } amd_iommu_snp_en = check_feature(FEATURE_SNP); if (!amd_iommu_snp_en) { pr_err("SNP: IOMMU SNP feature not enabled, SNP cannot be supported.\n"); + cc_platform_clear(CC_ATTR_HOST_SEV_SNP); return; } |