From 689c39e019d8adb9d2e9f7db3911e4db87536e76 Mon Sep 17 00:00:00 2001 From: "kaf24@firebug.cl.cam.ac.uk" Date: Mon, 17 Oct 2005 14:02:36 +0100 Subject: [PATCH] Force RTC driver to fail to load in domU by preventing it from binding to IRQ8. Signed-off-by: Keir Fraser --- linux-2.6-xen-sparse/arch/xen/kernel/evtchn.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/linux-2.6-xen-sparse/arch/xen/kernel/evtchn.c b/linux-2.6-xen-sparse/arch/xen/kernel/evtchn.c index cb0e1f9783..80e017684b 100644 --- a/linux-2.6-xen-sparse/arch/xen/kernel/evtchn.c +++ b/linux-2.6-xen-sparse/arch/xen/kernel/evtchn.c @@ -42,6 +42,7 @@ #include #include #include +#include /* RTC_IRQ */ /* * This lock protects updates to the following mapping and reference-count @@ -744,6 +745,13 @@ void __init init_IRQ(void) { irq_bindcount[pirq_to_irq(i)] = 1; +#ifdef RTC_IRQ + /* If not domain 0, force our RTC driver to fail its probe. */ + if ((i == RTC_IRQ) && + !(xen_start_info->flags & SIF_INITDOMAIN)) + continue; +#endif + irq_desc[pirq_to_irq(i)].status = IRQ_DISABLED; irq_desc[pirq_to_irq(i)].action = 0; irq_desc[pirq_to_irq(i)].depth = 1; -- 2.30.2