Commit-ID:  eec4b1227db153ca16f8f5f285d01fefdce05438
Gitweb:     http://git.kernel.org/tip/eec4b1227db153ca16f8f5f285d01fefdce05438
Author:     Paolo Bonzini <[email protected]>
AuthorDate: Mon, 20 Jun 2016 16:58:30 +0200
Committer:  Ingo Molnar <[email protected]>
CommitDate: Sat, 9 Jul 2016 10:44:02 +0200

x86/entry: Inline enter_from_user_mode()

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.

Signed-off-by: Paolo Bonzini <[email protected]>
Reviewed-by: Rik van Riel <[email protected]>
Reviewed-by: Andy Lutomirski <[email protected]>
Reviewed-by: Rik van Riel <[email protected]>
Reviewed-by: Andy Lutomirski <[email protected]>
Reviewed-by: Rik van Riel <[email protected]>
Reviewed-by: Andy Lutomirski <[email protected]>
Reviewed-by: Rik van Riel <[email protected]>
Reviewed-by: Andy Lutomirski <[email protected]>
Acked-by: Paolo Bonzini <[email protected]>
Cc: Borislav Petkov <[email protected]>
Cc: Brian Gerst <[email protected]>
Cc: Denys Vlasenko <[email protected]>
Cc: H. Peter Anvin <[email protected]>
Cc: Josh Poimboeuf <[email protected]>
Cc: Linus Torvalds <[email protected]>
Cc: Peter Zijlstra <[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]>
---
 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 618bc61..9e1e27d 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_irqoff();

Reply via email to