Re: [Xen-devel] Patch "x86/irq: Probe for PIC presence before allocating descs for legacy IRQs" has been added to the 4.3-stable tree

[Greg KH <gregkh@xxxxxxxxxxxxxxxxxxx>]

On Mon, Dec 07, 2015 at 01:54:35PM +0100, Vitaly Kuznetsov wrote:
> <gregkh@xxxxxxxxxxxxxxxxxxx> writes:
> 
> > This is a note to let you know that I've just added the patch titled
> >
> >     x86/irq: Probe for PIC presence before allocating descs for legacy IRQs
> >
> > to the 4.3-stable tree which can be found at:
> >     
> > http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
> >
> > The filename of the patch is:
> >      
> > x86-irq-probe-for-pic-presence-before-allocating-descs-for-legacy-irqs.patch
> > and it can be found in the queue-4.3 subdirectory.
> >
> > If you, or anyone else, feels it should not be added to the stable tree,
> > please let <stable@xxxxxxxxxxxxxxx> know about it.
> 
> This commit is known for breaking Xen PV guests, the breakage is fixed
> with the following:
> 
> commit b4ff8389ed14b849354b59ce9b360bdefcdbf99c
> Author: Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>
> Date:   Fri Nov 20 11:25:04 2015 -0500
> 
>     xen/events: Always allocate legacy interrupts on PV guests
> 
> I suggest we include this commit as well. Same for 4.2-stable tree.

Thanks, now applied.

greg k-h

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