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Diffstat (limited to 'arch/i386/kernel/irq.c')
-rw-r--r--arch/i386/kernel/irq.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/i386/kernel/irq.c b/arch/i386/kernel/irq.c
index 061533e0cb5..586b15f6741 100644
--- a/arch/i386/kernel/irq.c
+++ b/arch/i386/kernel/irq.c
@@ -53,8 +53,8 @@ static union irq_ctx *softirq_ctx[NR_CPUS] __read_mostly;
*/
fastcall unsigned int do_IRQ(struct pt_regs *regs)
{
- /* high bits used in ret_from_ code */
- int irq = regs->orig_eax & 0xff;
+ /* high bit used in ret_from_ code */
+ int irq = ~regs->orig_eax;
#ifdef CONFIG_4KSTACKS
union irq_ctx *curctx, *irqctx;
u32 *isp;