[SPARC64]: Two IRQ handling fixes. (ab66a50e) · Commits · 戴 / test

On SUN4V, force IRQ state to idle in enable_irq(). However, I'm still not sure this is %100 correct. Call add_interrupt_randomness() on SUN4V too. Signed-off-by:

David S. Miller <davem@davemloft.net>

arch/sparc64/kernel/irq.c

+8 −3

Original line number	Diff line number	Diff line
		@@ -164,6 +164,10 @@ void enable_irq(unsigned int irq)
		if (err != HV_EOK)
		printk("sun4v_intr_setenabled(%x): err(%d)\n",
		ino, err);
		err = sun4v_intr_setstate(ino, HV_INTR_STATE_IDLE);
		if (err != HV_EOK)
		printk("sun4v_intr_setstate(%x): "
		"err(%d)\n", ino, err);
		} else {
		if (tlb_type == cheetah \|\| tlb_type == cheetah_plus) {
		unsigned long ver;
		@@ -663,11 +667,12 @@ static void process_bucket(int irq, struct ino_bucket bp, struct pt_regs regs)
		"err(%d)\n", ino, err);
		} else {
		upa_writel(ICLR_IDLE, bp->iclr);
		}

		/* Test and add entropy */
		if (random & SA_SAMPLE_RANDOM)
		add_interrupt_randomness(irq);
		}
		}
		out:
		bp->flags &= ~IBF_INPROGRESS;
		}

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