Re: [PATCH 4/6] powerpc: Make virq_debug_show() cope with sparse irq_descs
From: Grant Likely <hidden>
Date: 2009-10-14 18:35:06
On Tue, Oct 13, 2009 at 11:44 PM, Michael Ellerman [off-list ref] wrote:
Signed-off-by: Michael Ellerman <redacted>
Acked-by: Grant Likely <redacted>
quoted hunk ↗ jump to hunk
--- =A0arch/powerpc/kernel/irq.c | =A0 =A05 ++++- =A01 files changed, 4 insertions(+), 1 deletions(-)diff --git a/arch/powerpc/kernel/irq.c b/arch/powerpc/kernel/irq.c index 6563221..baa49eb 100644 --- a/arch/powerpc/kernel/irq.c +++ b/arch/powerpc/kernel/irq.c@@ -1065,8 +1065,11 @@ static int virq_debug_show(struct seq_file *m, voi=
d *private)
=A0 =A0 =A0 =A0seq_printf(m, "%-5s =A0%-7s =A0%-15s =A0%s\n", "virq", "hw=
irq",
=A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0"chip name", "host name");
- =A0 =A0 =A0 for (i =3D 1; i < NR_IRQS; i++) {
+ =A0 =A0 =A0 for (i =3D 1; i < nr_irqs; i++) {
=A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0desc =3D irq_to_desc(i);
+ =A0 =A0 =A0 =A0 =A0 =A0 =A0 if (!desc)
+ =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 continue;
+
=A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0spin_lock_irqsave(&desc->lock, flags);
=A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0if (desc->action && desc->action->handler)= {-- 1.6.2.1 _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
--=20 Grant Likely, B.Sc., P.Eng. Secret Lab Technologies Ltd.