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| author | Andy Lutomirski <luto@kernel.org> | 2016-10-04 20:34:33 -0400 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2016-10-07 11:14:36 +0200 |
| commit | c592b57347069abfc0dcad3b3a302cf882602597 (patch) | |
| tree | fc0989987e9cb3c960df9cd2eaf763c7fc2161fb /arch/x86/kernel/fpu/signal.c | |
| parent | 2f7fada23549b4657e9ea92eeddebc878db569d2 (diff) | |
| download | linux-c592b57347069abfc0dcad3b3a302cf882602597.tar.gz linux-c592b57347069abfc0dcad3b3a302cf882602597.tar.bz2 linux-c592b57347069abfc0dcad3b3a302cf882602597.zip | |
x86/fpu: Remove use_eager_fpu()
This removes all the obvious code paths that depend on lazy FPU mode.
It shouldn't change the generated code at all.
Signed-off-by: Andy Lutomirski <luto@kernel.org>
Signed-off-by: Rik van Riel <riel@redhat.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Quentin Casasnovas <quentin.casasnovas@oracle.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: pbonzini@redhat.com
Link: http://lkml.kernel.org/r/1475627678-20788-5-git-send-email-riel@redhat.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86/kernel/fpu/signal.c')
| -rw-r--r-- | arch/x86/kernel/fpu/signal.c | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/arch/x86/kernel/fpu/signal.c b/arch/x86/kernel/fpu/signal.c index a184c210efba..83c23c230b4c 100644 --- a/arch/x86/kernel/fpu/signal.c +++ b/arch/x86/kernel/fpu/signal.c @@ -340,11 +340,9 @@ static int __fpu__restore_sig(void __user *buf, void __user *buf_fx, int size) } fpu->fpstate_active = 1; - if (use_eager_fpu()) { - preempt_disable(); - fpu__restore(fpu); - preempt_enable(); - } + preempt_disable(); + fpu__restore(fpu); + preempt_enable(); return err; } else { |