xen-devel.lists.xenproject.org archive mirror
 help / color / mirror / Atom feed
From: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
To: linux-kernel@vger.kernel.org
Cc: xen-devel@lists.xensource.com, Don Dutile <ddutile@redhat.com>,
	Stefano Stabellini <Stefano.Stabellini@eu.citrix.com>,
	Jeremy Fitzhardinge <jeremy@goop.org>,
	Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Subject: [PATCH 09/11] __setup_vector_irq: handle NULL chip_data
Date: Mon, 24 May 2010 19:27:35 +0100	[thread overview]
Message-ID: <1274725657-1149-9-git-send-email-stefano.stabellini@eu.citrix.com> (raw)
In-Reply-To: <alpine.DEB.2.00.1005241615300.25605@kaball-desktop>

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
-- 
1.5.4.3

  parent reply	other threads:[~2010-05-24 18:27 UTC|newest]

Thread overview: 38+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-05-24 18:25 [PATCH 0 of 12] PV on HVM Xen Stefano Stabellini
2010-05-24 18:27 ` [PATCH 01/11] Add support for hvm_op Stefano Stabellini
2010-05-24 18:27 ` [PATCH 02/11] early PV on HVM Stefano Stabellini
2010-05-24 18:27 ` [PATCH 03/11] evtchn delivery " Stefano Stabellini
2010-05-24 18:27 ` [PATCH 04/11] Fix find_unbound_irq in presence of ioapic irqs Stefano Stabellini
2010-05-26 18:26   ` [Xen-devel] " Konrad Rzeszutek Wilk
2010-05-27 14:49     ` Stefano Stabellini
2010-05-27 15:36       ` Konrad Rzeszutek Wilk
2010-05-24 18:27 ` [PATCH 05/11] Xen PCI platform device driver Stefano Stabellini
2010-05-28  8:55   ` [Xen-devel] " Zhigang Wang
2010-05-28 14:18     ` Stefano Stabellini
2010-05-24 18:27 ` [PATCH 06/11] Add suspend\resume support for PV on HVM guests Stefano Stabellini
2010-05-25 20:20   ` Jeremy Fitzhardinge
2010-05-24 18:27 ` [PATCH 07/11] Allow xen platform pci device to be compiled as a module Stefano Stabellini
2010-05-24 18:27 ` [PATCH 08/11] Fix possible NULL pointer dereference in print_IO_APIC Stefano Stabellini
2010-05-24 18:27 ` Stefano Stabellini [this message]
2010-05-24 18:27 ` [PATCH 10/11] Support VIRQ_TIMER and pvclock on HVM Stefano Stabellini
2010-05-25 20:24   ` Jeremy Fitzhardinge
2010-05-26 13:08     ` Stefano Stabellini
2010-05-24 18:27 ` [PATCH 11/11] Unplug emulated disks and nics Stefano Stabellini
2010-05-25 20:31   ` Jeremy Fitzhardinge
2010-05-26 12:27     ` Stefano Stabellini
2010-05-26 20:59       ` Jeremy Fitzhardinge
2010-05-27 12:29         ` Stefano Stabellini
     [not found]         ` <m2n.s.1OHcBK-0018DA@chiark.greenend.org.uk>
2010-05-27 14:49           ` Ian Jackson
2010-05-27 17:25             ` [Xen-devel] " Stefano Stabellini
2010-05-27 17:51             ` Jeremy Fitzhardinge
2010-05-27 18:10               ` Stefano Stabellini
2010-05-24 18:29 ` [PATCH 0 of 12] PV on HVM Xen Stefano Stabellini
2010-05-24 18:30 ` Boris Derzhavets
2010-05-24 19:06   ` [Xen-devel] " Stefano Stabellini
2010-05-25  6:14     ` Boris Derzhavets
2010-05-25  9:55       ` [Xen-devel] " Stefano Stabellini
2010-05-25 11:15         ` Boris Derzhavets
2010-05-24 18:36 ` Boris Derzhavets
2010-05-28 10:25 ` Boris Derzhavets
2010-05-28 10:45   ` Pasi Kärkkäinen
2010-05-28 11:06   ` Stefano Stabellini

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=1274725657-1149-9-git-send-email-stefano.stabellini@eu.citrix.com \
    --to=stefano.stabellini@eu.citrix.com \
    --cc=ddutile@redhat.com \
    --cc=jeremy@goop.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=xen-devel@lists.xensource.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).