linux-kernel - [PATCH] xen: ensure that all event channels start off bound to VCPU 0

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Date:	Fri,  8 Oct 2010 17:00:57 +0100
From:	Ian Campbell <ian.campbell@...rix.com>
To:	xen-devel@...ts.xensource.com
Cc:	linux-kernel@...r.kernel.org,
	Ian Campbell <ian.campbell@...rix.com>,
	Jeremy Fitzhardinge <jeremy@...p.org>, stable@...nel.org
Subject: [PATCH] xen: ensure that all event channels start off bound to VCPU 0

All event channels startbound to VCPU 0 so ensure that cpu_evtchn_mask
is initialised to reflect this.

sizeof(cpu_evtchn_mask(0))==sizeof(unsigned long*) which is not
correct, use sizeof(struct cpu_evtchn_s) instead.

Signed-off-by: Ian Campbell <ian.campbell@...rix.com>
Cc: Jeremy Fitzhardinge <jeremy@...p.org>
Cc: stable@...nel.org
---
 drivers/xen/events.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/xen/events.c b/drivers/xen/events.c
index 075e709..175e931 100644
--- a/drivers/xen/events.c
+++ b/drivers/xen/events.c
@@ -290,7 +290,7 @@ static void init_evtchn_cpu_bindings(void)
 	}
 #endif
 
-	memset(cpu_evtchn_mask(0), ~0, sizeof(cpu_evtchn_mask(0)));
+	memset(cpu_evtchn_mask(0), ~0, sizeof(struct cpu_evtchn_s));
 }
 
 static inline void clear_evtchn(int port)
-- 
1.5.6.5

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