From: Thomas Gleixner <tglx@linutronix.de>
Date: Tue, 25 Feb 2020 21:36:40 +0000 (+0100)
Subject: x86/traps: Remove pointless irq enable from do_spurious_interrupt_bug()
X-Git-Tag: v5.7-rc1~173^2~31
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=e039dd815941e785203142261397da6ec64d20cc;p=thirdparty%2Fkernel%2Flinux.git

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
---

diff --git a/arch/x86/kernel/traps.c b/arch/x86/kernel/traps.c
index 6ef00eb6fbb92..474b8cb548999 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