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SubjectRe: [stable] [PATCH] kvm: fix crash on irqfd deassign
On Thu, Mar 17, 2011 at 10:53:33AM +0200, Michael S. Tsirkin wrote:
> irqfd in kvm used flush_work incorrectly:
> it assumed that work scheduled previously can't run
> after flush_work, but since kvm uses a non-reentrant
> workqueue (by means of schedule_work)
> we need flush_work_sync to get that guarantee.
> Signed-off-by: Michael S. Tsirkin <>
> Reported-by: Jean-Philippe Menil <>
> Tested-by: Jean-Philippe Menil <>
> ---
> Note: this is needed for kernel 2.6.39 and earlier.

This is not the correct way to submit patches for inclusion in the
stable kernel tree. Please read Documentation/stable_kernel_rules.txt
for how to do this properly.


greg k-h

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