| commit | 9717967c4b704ce344c954afb5bb160aa9c01c34 | |
| author | Yinghai Lu <yinghai@kernel.org> | |
| Mon, 18 Oct 2010 20:47:48 +0000 (18 13:47 -0700) | ||
| committer | Thomas Gleixner <tglx@linutronix.de> | |
| Tue, 19 Oct 2010 07:25:33 +0000 (19 09:25 +0200) | ||
| tree | 9f0865f56d5cd85eb1b604cdd34e005a7b1f65fc | treesnapshot (tar.gz zip) |
| parent | 032fa36091a925f555158f4e80f8a09d951cdb10 | commitdiff |
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>
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>
| arch/x86/kernel/apic/io_apic.c | diffblobblamehistory |