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[Xen-changelog] [xen-unstable] x86: Assert in_irq() while processing gue

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Subject: [Xen-changelog] [xen-unstable] x86: Assert in_irq() while processing guest-bound interrupts.
From: Xen patchbot-unstable <patchbot-unstable@xxxxxxxxxxxxxxxxxxx>
Date: Wed, 27 Aug 2008 11:23:54 -0700
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# HG changeset patch
# User Keir Fraser <keir.fraser@xxxxxxxxxx>
# Date 1219828293 -3600
# Node ID 2986c11b7edf4b1242cace49e1b317a10560eada
# Parent  c3f73c6f22668140d350aa86794b5f57a6b28918
x86: Assert in_irq() while processing guest-bound interrupts.

Actually a fair amount of infrastructure is onvolved these days, and
we'd like subsystems we call into know that we're in IRQ context so
they can handle that or BUG/ASSERT if appropriate.

Signed-off-by: Keir Fraser <keir.fraser@xxxxxxxxxx>
 xen/arch/x86/irq.c |    2 ++
 1 files changed, 2 insertions(+)

diff -r c3f73c6f2266 -r 2986c11b7edf xen/arch/x86/irq.c
--- a/xen/arch/x86/irq.c        Wed Aug 27 09:57:53 2008 +0100
+++ b/xen/arch/x86/irq.c        Wed Aug 27 10:11:33 2008 +0100
@@ -63,7 +63,9 @@ asmlinkage void do_IRQ(struct cpu_user_r
     if ( likely(desc->status & IRQ_GUEST) )
+        irq_enter();
+        irq_exit();

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