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authorAndy Lutomirski <[email protected]>2016-10-04 20:34:33 -0400
committerIngo Molnar <[email protected]>2016-10-07 11:14:36 +0200
commitc592b57347069abfc0dcad3b3a302cf882602597 (patch)
treefc0989987e9cb3c960df9cd2eaf763c7fc2161fb /arch/x86/kernel/fpu/signal.c
parent2f7fada23549b4657e9ea92eeddebc878db569d2 (diff)
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 <[email protected]> Signed-off-by: Rik van Riel <[email protected]> Cc: Borislav Petkov <[email protected]> Cc: Brian Gerst <[email protected]> Cc: Dave Hansen <[email protected]> Cc: Denys Vlasenko <[email protected]> Cc: Fenghua Yu <[email protected]> Cc: H. Peter Anvin <[email protected]> Cc: Josh Poimboeuf <[email protected]> Cc: Linus Torvalds <[email protected]> Cc: Oleg Nesterov <[email protected]> Cc: Peter Zijlstra <[email protected]> Cc: Quentin Casasnovas <[email protected]> Cc: Thomas Gleixner <[email protected]> Cc: [email protected] Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Ingo Molnar <[email protected]>
Diffstat (limited to 'arch/x86/kernel/fpu/signal.c')
-rw-r--r--arch/x86/kernel/fpu/signal.c8
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 {