diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2017-09-12 11:34:39 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2017-09-12 11:34:39 -0700 |
| commit | 680352bda57e3dbf21cddf6a5e23aff7e294fb31 (patch) | |
| tree | c047ee0678ab793e85f89bf95bd8eee574b066e2 /include | |
| parent | 040b9d7ccff40e1fbd48029e3c769db188a3ba2c (diff) | |
| parent | e2329b4252f373c244e75928be38bf1dd45b35da (diff) | |
| download | linux-680352bda57e3dbf21cddf6a5e23aff7e294fb31.tar.bz2 | |
Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Ingo Molnar:
"Two fixes: dead code removal, plus a SME memory encryption fix on
32-bit kernels that crashed Xen guests"
* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/cpu: Remove unused and undefined __generic_processor_info() declaration
x86/mm: Make the SME mask a u64
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/mem_encrypt.h | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/include/linux/mem_encrypt.h b/include/linux/mem_encrypt.h index 1255f09f5e42..265a9cd21cb4 100644 --- a/include/linux/mem_encrypt.h +++ b/include/linux/mem_encrypt.h @@ -21,7 +21,7 @@ #else /* !CONFIG_ARCH_HAS_MEM_ENCRYPT */ -#define sme_me_mask 0UL +#define sme_me_mask 0ULL #endif /* CONFIG_ARCH_HAS_MEM_ENCRYPT */ @@ -30,18 +30,23 @@ static inline bool sme_active(void) return !!sme_me_mask; } -static inline unsigned long sme_get_me_mask(void) +static inline u64 sme_get_me_mask(void) { return sme_me_mask; } +#ifdef CONFIG_AMD_MEM_ENCRYPT /* * The __sme_set() and __sme_clr() macros are useful for adding or removing * the encryption mask from a value (e.g. when dealing with pagetable * entries). */ -#define __sme_set(x) ((unsigned long)(x) | sme_me_mask) -#define __sme_clr(x) ((unsigned long)(x) & ~sme_me_mask) +#define __sme_set(x) ((x) | sme_me_mask) +#define __sme_clr(x) ((x) & ~sme_me_mask) +#else +#define __sme_set(x) (x) +#define __sme_clr(x) (x) +#endif #endif /* __ASSEMBLY__ */ |