diff options
author | Andy Lutomirski <[email protected]> | 2015-06-04 13:24:29 -0700 |
---|---|---|
committer | Ingo Molnar <[email protected]> | 2015-06-05 12:42:41 +0200 |
commit | 5ca6f70f387b4f82903037cc3c5488e2c97dcdbc (patch) | |
tree | 2beb52e160c0f6adcb6322bfd7b764fc50c93e59 | |
parent | cf991de2f614f454b3cb2a300c06ecdf69f3a70d (diff) |
x86/asm/entry/64: Remove pointless jump to irq_return
INTERRUPT_RETURN turns into a jmp instruction. There's no need
for extra indirection.
Signed-off-by: Andy Lutomirski <[email protected]>
Cc: <[email protected]>
Cc: Andrew Morton <[email protected]>
Cc: Andy Lutomirski <[email protected]>
Cc: Borislav Petkov <[email protected]>
Cc: Brian Gerst <[email protected]>
Cc: Denys Vlasenko <[email protected]>
Cc: H. Peter Anvin <[email protected]>
Cc: Linus Torvalds <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Link: http://lkml.kernel.org/r/2f2318653dbad284a59311f13f08cea71298fd7c.1433449436.git.luto@kernel.org
Signed-off-by: Ingo Molnar <[email protected]>
-rw-r--r-- | arch/x86/entry/entry_64.S | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/arch/x86/entry/entry_64.S b/arch/x86/entry/entry_64.S index f7380ea75777..31770662b940 100644 --- a/arch/x86/entry/entry_64.S +++ b/arch/x86/entry/entry_64.S @@ -663,8 +663,6 @@ retint_kernel: restore_c_regs_and_iret: RESTORE_C_REGS REMOVE_PT_GPREGS_FROM_STACK 8 - -irq_return: INTERRUPT_RETURN ENTRY(native_iret) @@ -1432,7 +1430,7 @@ nmi_restore: /* Clear the NMI executing stack variable */ movq $0, 5*8(%rsp) - jmp irq_return + INTERRUPT_RETURN END(nmi) ENTRY(ignore_sysret) |