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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2018-12-27 02:37:51 +0100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2018-12-27 02:37:51 +0100 |
| commit | d6e867a6ae13bc02cd01c535764e5b051d26cf28 (patch) | |
| tree | e41fd0248cdb927bcdc37d8f6d6798baf8ee276b /arch/x86/mm | |
| parent | Merge branch 'x86-cpu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel... (diff) | |
| parent | x86/fpu: Don't export __kernel_fpu_{begin,end}() (diff) | |
| download | linux-d6e867a6ae13bc02cd01c535764e5b051d26cf28.tar.xz linux-d6e867a6ae13bc02cd01c535764e5b051d26cf28.zip | |
Merge branch 'x86-fpu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fpu updates from Ingo Molnar:
"Misc preparatory changes for an upcoming FPU optimization that will
delay the loading of FPU registers to return-to-userspace"
* 'x86-fpu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/fpu: Don't export __kernel_fpu_{begin,end}()
x86/fpu: Update comment for __raw_xsave_addr()
x86/fpu: Add might_fault() to user_insn()
x86/pkeys: Make init_pkru_value static
x86/thread_info: Remove _TIF_ALLWORK_MASK
x86/process/32: Remove asm/math_emu.h include
x86/fpu: Use unsigned long long shift in xfeature_uncompacted_offset()
Diffstat (limited to 'arch/x86/mm')
| -rw-r--r-- | arch/x86/mm/pkeys.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/x86/mm/pkeys.c b/arch/x86/mm/pkeys.c index 6e98e0a7c923..047a77f6a10c 100644 --- a/arch/x86/mm/pkeys.c +++ b/arch/x86/mm/pkeys.c @@ -131,6 +131,7 @@ int __arch_override_mprotect_pkey(struct vm_area_struct *vma, int prot, int pkey * in the process's lifetime will not accidentally get access * to data which is pkey-protected later on. */ +static u32 init_pkru_value = PKRU_AD_KEY( 1) | PKRU_AD_KEY( 2) | PKRU_AD_KEY( 3) | PKRU_AD_KEY( 4) | PKRU_AD_KEY( 5) | PKRU_AD_KEY( 6) | PKRU_AD_KEY( 7) | PKRU_AD_KEY( 8) | PKRU_AD_KEY( 9) | |