diff --git a/arch/i386/kernel/irq.c b/arch/i386/kernel/irq.c index 248e922ee13a14b0cf0e97ce5261f92db141bba6..49ce4c31b713fc56a690d701389bc047e72a5a50 100644 --- a/arch/i386/kernel/irq.c +++ b/arch/i386/kernel/irq.c @@ -95,6 +95,14 @@ fastcall unsigned int do_IRQ(struct pt_regs *regs) irqctx->tinfo.task = curctx->tinfo.task; irqctx->tinfo.previous_esp = current_stack_pointer; + /* + * Copy the softirq bits in preempt_count so that the + * softirq checks work in the hardirq context. + */ + irqctx->tinfo.preempt_count = + irqctx->tinfo.preempt_count & ~SOFTIRQ_MASK | + curctx->tinfo.preempt_count & SOFTIRQ_MASK; + asm volatile( " xchgl %%ebx,%%esp \n" " call __do_IRQ \n"