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Subject[PATCH 1/3] x86/fpu: Simplify kernel_fpu_end
Date
Remove two little helpers and merge them into kernel_fpu_end to
streamline the function.

Signed-off-by: Christoph Hellwig <hch@lst.de>
---
arch/x86/kernel/fpu/core.c | 15 +++------------
1 file changed, 3 insertions(+), 12 deletions(-)

diff --git a/arch/x86/kernel/fpu/core.c b/arch/x86/kernel/fpu/core.c
index 466fca686fb9..1d09af1158e1 100644
--- a/arch/x86/kernel/fpu/core.c
+++ b/arch/x86/kernel/fpu/core.c
@@ -49,12 +49,6 @@ static void kernel_fpu_disable(void)
this_cpu_write(in_kernel_fpu, true);
}

-static void kernel_fpu_enable(void)
-{
- WARN_ON_FPU(!this_cpu_read(in_kernel_fpu));
- this_cpu_write(in_kernel_fpu, false);
-}
-
static bool kernel_fpu_disabled(void)
{
return this_cpu_read(in_kernel_fpu);
@@ -115,11 +109,6 @@ static void __kernel_fpu_begin(void)
__cpu_invalidate_fpregs_state();
}

-static void __kernel_fpu_end(void)
-{
- kernel_fpu_enable();
-}
-
void kernel_fpu_begin(void)
{
preempt_disable();
@@ -129,7 +118,9 @@ EXPORT_SYMBOL_GPL(kernel_fpu_begin);

void kernel_fpu_end(void)
{
- __kernel_fpu_end();
+ WARN_ON_FPU(!this_cpu_read(in_kernel_fpu));
+
+ this_cpu_write(in_kernel_fpu, false);
preempt_enable();
}
EXPORT_SYMBOL_GPL(kernel_fpu_end);
--
2.20.1
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