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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 /include | |
| parent | 3520c35e5f0b00cfd6a774d04c1b3bb18edc428a (diff) | |
| parent | b377c66ae3509ccea596512d6afb4777711c4870 (diff) | |
| download | linux-9fe30842a90be9b57a3bd1a37c9aed92918cc6d0.tar.gz | |
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 'include')
| -rw-r--r-- | include/linux/cc_platform.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/include/linux/cc_platform.h b/include/linux/cc_platform.h index cb0d6cd1c12f2..60693a1458946 100644 --- a/include/linux/cc_platform.h +++ b/include/linux/cc_platform.h @@ -90,6 +90,14 @@ enum cc_attr { * Examples include TDX Guest. */ CC_ATTR_HOTPLUG_DISABLED, + + /** + * @CC_ATTR_HOST_SEV_SNP: AMD SNP enabled on the host. + * + * The host kernel is running with the necessary features + * enabled to run SEV-SNP guests. + */ + CC_ATTR_HOST_SEV_SNP, }; #ifdef CONFIG_ARCH_HAS_CC_PLATFORM @@ -107,10 +115,14 @@ enum cc_attr { * * FALSE - Specified Confidential Computing attribute is not active */ bool cc_platform_has(enum cc_attr attr); +void cc_platform_set(enum cc_attr attr); +void cc_platform_clear(enum cc_attr attr); #else /* !CONFIG_ARCH_HAS_CC_PLATFORM */ static inline bool cc_platform_has(enum cc_attr attr) { return false; } +static inline void cc_platform_set(enum cc_attr attr) { } +static inline void cc_platform_clear(enum cc_attr attr) { } #endif /* CONFIG_ARCH_HAS_CC_PLATFORM */ |