sched, x86: Provide a per-cpu preempt_count implementation

[karo-tx-linux.git] / arch / x86 / kernel / irq_32.c

diff --git a/arch/x86/kernel/irq_32.c b/arch/x86/kernel/irq_32.c
index 4186755f1d7cf350f82540fdb76f731f58b455c3..3fe066359ac08df2693928f66323ca3db3c2e925 100644 (file)
--- a/arch/x86/kernel/irq_32.c
+++ b/arch/x86/kernel/irq_32.c
@@ -100,9 +100,6 @@ execute_on_irq_stack(int overflow, struct irq_desc *desc, int irq)
        irqctx->tinfo.task = curctx->tinfo.task;
        irqctx->tinfo.previous_esp = current_stack_pointer;
 
-       /* Copy the preempt_count so that the [soft]irq checks work. */
-       irqctx->tinfo.preempt_count = curctx->tinfo.preempt_count;
-
        if (unlikely(overflow))
                call_on_stack(print_stack_overflow, isp);
 
@@ -131,7 +128,6 @@ void irq_ctx_init(int cpu)
                                               THREAD_SIZE_ORDER));
        memset(&irqctx->tinfo, 0, sizeof(struct thread_info));
        irqctx->tinfo.cpu               = cpu;
-       irqctx->tinfo.preempt_count     = HARDIRQ_OFFSET;
        irqctx->tinfo.addr_limit        = MAKE_MM_SEG(0);
 
        per_cpu(hardirq_ctx, cpu) = irqctx;