Messages in this thread Patch in this message | | | From | Paolo Bonzini <> | Subject | [PATCH 2/2] x86/entry: Inline enter_from_user_mode | Date | Mon, 30 May 2016 14:30:14 +0200 |
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This matches what is already done for prepare_exit_to_usermode, and saves about 60 clock cycles (4% speedup) with the benchmark in the previous commit message.
Cc: Andy Lutomirski <luto@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Rik van Riel <riel@redhat.com> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Ingo Molnar <mingo@kernel.org.com> Cc: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> --- arch/x86/entry/common.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/x86/entry/common.c b/arch/x86/entry/common.c index 946bc1a..582bbc8 100644 --- a/arch/x86/entry/common.c +++ b/arch/x86/entry/common.c @@ -40,7 +40,7 @@ static struct thread_info *pt_regs_to_thread_info(struct pt_regs *regs) #ifdef CONFIG_CONTEXT_TRACKING /* Called on entry from user mode with IRQs off. */ -__visible void enter_from_user_mode(void) +__visible inline void enter_from_user_mode(void) { CT_WARN_ON(ct_state() != CONTEXT_USER); __user_exit(); -- 2.4.3
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