From 45c08383141794a7e9b26f35d491b74f33ac469e Mon Sep 17 00:00:00 2001 From: Thomas Gleixner Date: Wed, 23 Oct 2019 14:27:07 +0200 Subject: [PATCH] x86/entry/64: Remove pointless jump in paranoid_exit Jump directly to restore_regs_and_return_to_kernel instead of making a pointless extra jump through .Lparanoid_exit_restore Signed-off-by: Thomas Gleixner Reviewed-by: Sean Christopherson Reviewed-by: Alexandre Chartre Acked-by: Peter Zijlstra (Intel) Link: https://lkml.kernel.org/r/20191023123117.779277679@linutronix.de --- arch/x86/entry/entry_64.S | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/arch/x86/entry/entry_64.S b/arch/x86/entry/entry_64.S index d58c01239457..76942cbd95a1 100644 --- a/arch/x86/entry/entry_64.S +++ b/arch/x86/entry/entry_64.S @@ -1273,12 +1273,11 @@ SYM_CODE_START_LOCAL(paranoid_exit) /* Always restore stashed CR3 value (see paranoid_entry) */ RESTORE_CR3 scratch_reg=%rbx save_reg=%r14 SWAPGS_UNSAFE_STACK - jmp .Lparanoid_exit_restore + jmp restore_regs_and_return_to_kernel .Lparanoid_exit_no_swapgs: TRACE_IRQS_IRETQ_DEBUG /* Always restore stashed CR3 value (see paranoid_entry) */ RESTORE_CR3 scratch_reg=%rbx save_reg=%r14 -.Lparanoid_exit_restore: jmp restore_regs_and_return_to_kernel SYM_CODE_END(paranoid_exit) -- 2.11.0