提交 5ca6f70f 编写于 作者: A Andy Lutomirski 提交者: Ingo Molnar

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: NAndy Lutomirski <luto@kernel.org>
Cc: <linux-kernel@vger.kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/2f2318653dbad284a59311f13f08cea71298fd7c.1433449436.git.luto@kernel.orgSigned-off-by: NIngo Molnar <mingo@kernel.org>
上级 cf991de2
......@@ -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)
......
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