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9717967c4b
linux/arch/x86/kernel/apic
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Yinghai Lu 9717967c4b x86: ioapic: Call free_irte only if interrupt remapping enabled 
On a system that support intr-rempping when booting with "intremap=off"

[  177.895501] BUG: unable to handle kernel NULL pointer dereference at 00000000000000f8
[  177.913316] IP: [<ffffffff8145fc18>] free_irte+0x47/0xc0
...
[  178.173326] Call Trace:
[  178.173574]  [<ffffffff810515b4>] destroy_irq+0x3a/0x75
[  178.192934]  [<ffffffff81051834>] arch_teardown_msi_irq+0xe/0x10
[  178.193418]  [<ffffffff81458dc3>] arch_teardown_msi_irqs+0x56/0x7f
[  178.213021]  [<ffffffff81458e79>] free_msi_irqs+0x8d/0xeb

Call free_irte only when interrupt remapping is enabled.

Signed-off-by: Yinghai Lu <yinghai@kernel.org>
LKML-Reference: <4CBCB274.7010108@kernel.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2010-10-19 09:25:33 +02:00
..
apic_flat_64.c arch/x86/kernel/apic/apic_flat_64.c: Make comment match the code 2010-02-04 11:55:47 +01:00
apic_noop.c x86: Fix bogus warning in apic_noop.apic_write() 2009-12-07 13:16:37 +01:00
apic.c x86, x2apic: Simplify apic init in SMP and UP builds 2010-09-15 17:37:10 -07:00
bigsmp_32.c x86, irq: Allow 0xff for /proc/irq/[n]/smp_affinity on an 8-cpu system 2009-12-17 22:03:06 -08:00
es7000_32.c x86/apic/es7000_32: Remove unused variable 2010-07-08 09:14:37 +02:00
hw_nmi.c x86, watchdog: Fix build error in hw_nmi.c 2010-05-13 09:12:39 +02:00
io_apic.c x86: ioapic: Call free_irte only if interrupt remapping enabled 2010-10-19 09:25:33 +02:00
ipi.c Merge commit 'v2.6.31-rc7' into x86/cleanups 2009-08-24 12:25:54 +02:00
Makefile lockup_detector: Cross arch compile fixes 2010-05-16 04:25:14 +02:00
nmi.c x86: i8259: Convert to new irq_chip functions 2010-10-12 16:53:36 +02:00
numaq_32.c Merge branch 'x86-mrst-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip 2010-03-07 15:59:39 -08:00
probe_32.c x86, apic: Don't use logical-flat mode when CPU hotplug may exceed 8 CPUs 2010-02-09 20:51:11 -08:00
probe_64.c x86, x2apic: Simplify apic init in SMP and UP builds 2010-09-15 17:37:10 -07:00
summit_32.c x86: apic: Do not use stacked physid_mask_t 2009-11-10 05:52:07 +01:00
x2apic_cluster.c x86, irq: Allow 0xff for /proc/irq/[n]/smp_affinity on an 8-cpu system 2009-12-17 22:03:06 -08:00
x2apic_phys.c x86, irq: Allow 0xff for /proc/irq/[n]/smp_affinity on an 8-cpu system 2009-12-17 22:03:06 -08:00
x2apic_uv_x.c x86, UV: Fix initialization of max_pnode 2010-09-10 17:15:49 +02:00