Commit ec7ccb4c authored by David S. Miller's avatar David S. Miller

[TIGON3]: Use spin_lock_irqsave in tg3_interrupt, fixes SMP hang.

parent f6224ba8
......@@ -2109,8 +2109,9 @@ static void tg3_interrupt(int irq, void *dev_id, struct pt_regs *regs)
struct net_device *dev = dev_id;
struct tg3 *tp = dev->priv;
struct tg3_hw_status *sblk = tp->hw_status;
unsigned long flags;
spin_lock(&tp->lock);
spin_lock_irqsave(&tp->lock, flags);
if (sblk->status & SD_STATUS_UPDATED) {
tw32_mailbox(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
......@@ -2124,7 +2125,7 @@ static void tg3_interrupt(int irq, void *dev_id, struct pt_regs *regs)
tr32(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW);
}
spin_unlock(&tp->lock);
spin_unlock_irqrestore(&tp->lock, flags);
}
static void tg3_init_rings(struct tg3 *);
......
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