Messages in this thread Patch in this message | | | Date | Thu, 27 Feb 2020 14:15:58 -0000 | From | "tip-bot2 for Thomas Gleixner" <> | Subject | [tip: x86/entry] x86/traps: Remove pointless irq enable from do_spurious_interrupt_bug() |
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The following commit has been merged into the x86/entry branch of tip:
Commit-ID: e039dd815941e785203142261397da6ec64d20cc Gitweb: https://git.kernel.org/tip/e039dd815941e785203142261397da6ec64d20cc Author: Thomas Gleixner <tglx@linutronix.de> AuthorDate: Tue, 25 Feb 2020 22:36:40 +01:00 Committer: Thomas Gleixner <tglx@linutronix.de> CommitterDate: Thu, 27 Feb 2020 14:48:39 +01:00
x86/traps: Remove pointless irq enable from do_spurious_interrupt_bug()
That function returns immediately after conditionally reenabling interrupts which is more than pointless and requires the ASM code to disable interrupts again.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Sean Christopherson <sean.j.christopherson@intel.com> Reviewed-by: Alexandre Chartre <alexandre.chartre@oracle.com> Reviewed-by: Frederic Weisbecker <frederic@kernel.org> Reviewed-by: Andy Lutomirski <luto@kernel.org> Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org> Link: https://lore.kernel.org/r/20191023123117.871608831@linutronix.de Link: https://lkml.kernel.org/r/20200225220216.518575042@linutronix.de
--- arch/x86/kernel/traps.c | 1 - 1 file changed, 1 deletion(-)
diff --git a/arch/x86/kernel/traps.c b/arch/x86/kernel/traps.c index 6ef00eb..474b8cb 100644 --- a/arch/x86/kernel/traps.c +++ b/arch/x86/kernel/traps.c @@ -862,7 +862,6 @@ do_simd_coprocessor_error(struct pt_regs *regs, long error_code) dotraplinkage void do_spurious_interrupt_bug(struct pt_regs *regs, long error_code) { - cond_local_irq_enable(regs); } dotraplinkage void
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