KVM: PPC: Book3S: fix XIVE migration of pending interrupts

[Michael Ellerman]

On Tue, 2017-12-12 at 12:02:04 UTC, =?utf-8?q?C=C3=A9dric_Le_Goater?= wrote:
> When restoring a pending interrupt, we are setting the Q bit to force
> a retrigger in xive_finish_unmask(). But we also need to force an EOI
> in this case to reach the same initial state : P=1, Q=0.
> 
> This can be done by not setting 'old_p' for pending interrupts which
> will inform xive_finish_unmask() that an EOI needs to be sent.
> 
> Suggested-by: Benjamin Herrenschmidt <benh at kernel.crashing.org>
> Signed-off-by: Cédric Le Goater <clg at kaod.org>
> Reviewed-by: Laurent Vivier <lvivier at redhat.com>
> Tested-by: Laurent Vivier <lvivier at redhat.com>

Applied to powerpc fixes, thanks.

https://git.kernel.org/powerpc/c/dc1c4165d189350cb51bdd3057deb6

cheers