On Tue, Jul 29, 2014 at 11:21:58AM -0600, Greg Edwards wrote:
[ 6638.327851] BUG: unable to handle kernel NULL pointer dereference at
0090
[ 6638.335955] IP: [8190a652] intel_ioapic_set_affinity+0x82/0x1b0
[ 6638.343012] PGD 99172e067 PUD 1026979067 PMD 0
[ 6638.347858]
On Wed, Jul 23, 2014 at 10:13:26AM -0600, Greg Edwards wrote:
A user process setting the CPU affinity of an IRQ for a KVM
direct-assigned device via /proc/irq/IRQ#/smp_affinity can race with
the IRQ being released by QEMU, resulting in a NULL iommu pointer
dereference in get_irte().
Maybe I
On Tue, Jul 29, 2014 at 12:45:31PM +0200, Joerg Roedel wrote:
On Wed, Jul 23, 2014 at 10:13:26AM -0600, Greg Edwards wrote:
A user process setting the CPU affinity of an IRQ for a KVM
direct-assigned device via /proc/irq/IRQ#/smp_affinity can race with
the IRQ being released by QEMU, resulting
A user process setting the CPU affinity of an IRQ for a KVM
direct-assigned device via /proc/irq/IRQ#/smp_affinity can race with
the IRQ being released by QEMU, resulting in a NULL iommu pointer
dereference in get_irte().
Signed-off-by: Greg Edwards gedwa...@ddn.com
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Dropped the Cc: for
