From: stefano@stabellini.net
To: linux-kernel@vger.kernel.org
Cc: xen-devel@lists.xensource.com, Stefano.Stabellini@eu.citrix.com,
sheng@linux.intel.com, ddutile@redhat.com, jeremy@goop.org,
Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Subject: [PATCH 09/13] __setup_vector_irq: handle NULL chip_data
Date: Mon, 21 Jun 2010 17:14:03 +0100 [thread overview]
Message-ID: <1277136847-13266-9-git-send-email-stefano@stabellini.net> (raw)
In-Reply-To: <alpine.DEB.2.00.1006211456360.18470@kaball-desktop>
From: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
the VIRQ_TIMER handler and virq handlers in general don't have any
chip_data.
Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
---
arch/x86/kernel/apic/io_apic.c | 2 ++
1 files changed, 2 insertions(+), 0 deletions(-)
diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c
index c64499c..4d3d391 100644
--- a/arch/x86/kernel/apic/io_apic.c
+++ b/arch/x86/kernel/apic/io_apic.c
@@ -1269,6 +1269,8 @@ void __setup_vector_irq(int cpu)
/* Mark the inuse vectors */
for_each_irq_desc(irq, desc) {
cfg = desc->chip_data;
+ if (!cfg)
+ continue;
/*
* If it is a legacy IRQ handled by the legacy PIC, this cpu
--
1.7.0.4
next prev parent reply other threads:[~2010-06-21 16:14 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-06-21 16:12 [PATCH 0/12] PV on HVM Xen Stefano Stabellini
2010-06-21 16:13 ` [PATCH 01/13] Add support for hvm_op stefano
2010-06-21 16:13 ` [PATCH 02/13] early PV on HVM stefano
2010-06-21 16:13 ` [PATCH 03/13] evtchn delivery " stefano
2010-06-21 16:13 ` [PATCH 04/13] Xen PCI platform device driver stefano
2010-06-30 17:55 ` Konrad Rzeszutek Wilk
2010-07-01 11:38 ` Stefano Stabellini
2010-06-21 16:13 ` [PATCH 05/13] Add suspend\resume support for PV on HVM guests stefano
2010-06-21 16:14 ` [PATCH 06/13] Allow xen platform pci device to be compiled as a module stefano
2010-06-21 16:14 ` [PATCH 07/13] Fix find_unbound_irq in presence of ioapic irqs stefano
2010-06-21 16:14 ` [PATCH 0/12] PV on HVM Xen Stefano Stabellini
2010-06-21 16:14 ` [PATCH 08/13] Fix possible NULL pointer dereference in print_IO_APIC stefano
2010-06-21 16:14 ` stefano [this message]
2010-06-21 16:14 ` [PATCH 10/13] Do not try to disable hpet if it hasn't been initialized before stefano
2010-06-30 17:53 ` Konrad Rzeszutek Wilk
2010-07-09 1:05 ` john stultz
2010-06-30 21:24 ` Venkatesh Pallipadi
2010-07-02 10:44 ` Paolo Bonzini
2010-06-21 16:14 ` [PATCH 11/13] Use xen_vcpuop_clockevent, xen_clocksource and xen wallclock stefano
2010-07-01 19:41 ` Don Dutile
2010-07-02 17:17 ` Stefano Stabellini
2010-06-21 16:14 ` [PATCH 12/13] Unplug emulated disks and nics stefano
2010-07-01 19:41 ` Don Dutile
2010-07-05 11:58 ` Stefano Stabellini
2010-07-07 20:01 ` Don Dutile
2010-07-08 13:13 ` Stefano Stabellini
2010-07-08 19:57 ` [Xen-devel] " Don Dutile
2010-07-08 21:29 ` Ian Campbell
2010-07-08 21:59 ` [Xen-devel] " Don Dutile
2010-07-09 8:02 ` Ian Campbell
2010-07-09 10:54 ` Stefano Stabellini
2010-07-09 13:42 ` [Xen-devel] " Don Dutile
2010-06-21 16:14 ` [PATCH 13/13] Call HVMOP_pagetable_dying on exit_mmap stefano
2010-06-30 17:56 ` [PATCH 0/12] PV on HVM Xen Konrad Rzeszutek Wilk
2010-07-01 11:38 ` Stefano Stabellini
2010-07-01 19:43 ` [Xen-devel] " Dan Magenheimer
2010-07-02 10:43 ` Stefano Stabellini
2010-07-02 16:08 ` Dan Magenheimer
2010-07-02 17:14 ` Stefano Stabellini
2010-07-02 19:49 ` Dan Magenheimer
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