diff options
| author | Ingo Molnar <mingo@kernel.org> | 2017-09-23 15:59:58 +0300 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2017-09-24 14:04:33 +0300 |
| commit | b3a163081c28d1a4d1ad76259a9d93b34a82f1da (patch) | |
| tree | 53d284cba5ab8670bf2889cd42d1f0887e27ccf9 /arch/x86/mm/pkeys.c | |
| parent | 6d7f7da5533a3f841eeb1d9657257c9367924274 (diff) | |
| download | linux-b3a163081c28d1a4d1ad76259a9d93b34a82f1da.tar.xz | |
x86/fpu: Simplify fpu->fpregs_active use
The fpregs_active() inline function is pretty pointless - in almost
all the callsites it can be replaced with a direct fpu->fpregs_active
access.
Do so and eliminate the extra layer of obfuscation.
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Eric Biggers <ebiggers3@gmail.com>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Rik van Riel <riel@redhat.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Yu-cheng Yu <yu-cheng.yu@intel.com>
Link: http://lkml.kernel.org/r/20170923130016.21448-16-mingo@kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86/mm/pkeys.c')
| -rw-r--r-- | arch/x86/mm/pkeys.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/mm/pkeys.c b/arch/x86/mm/pkeys.c index 2dab69a706ec..e2c23472233e 100644 --- a/arch/x86/mm/pkeys.c +++ b/arch/x86/mm/pkeys.c @@ -45,7 +45,7 @@ int __execute_only_pkey(struct mm_struct *mm) */ preempt_disable(); if (!need_to_set_mm_pkey && - fpregs_active() && + current->thread.fpu.fpregs_active && !__pkru_allows_read(read_pkru(), execute_only_pkey)) { preempt_enable(); return execute_only_pkey; |