[Xen-devel] Re: Stable candidate? xen: events: do not unmask event channels on resume

[Ian Campbell <Ian.Campbell@xxxxxxxxxxxxx>]

On Tue, 2011-06-07 at 08:44 +0100, Stefan Bader wrote:
> Resending. I could not see this going to the list, so I subscribed and am 
> trying
> again.

Posts from non-subscribers are moderated, it would have come through at
some point.

> -Stefan
> 
> -------- Original Message --------
> Subject: Stable candidate? xen: events: do not unmask event channels on resume
> Date: Wed, 25 May 2011 16:46:47 +0200
> From: Stefan Bader <stefan.bader@xxxxxxxxxxxxx>
> To: xen-devel@xxxxxxxxxxxxxxxxxxx <xen-devel@xxxxxxxxxxxxxxxxxxx>
> CC: Ian Campbell <ian.campbell@xxxxxxxxxx>
> 
> The following patch was reported to solve (at least some in the .32 case) 
> hangs
> on migration for 2.6.32 and 2.6.35 based kernels. I am not completely sure 
> about
> the 2.6.32 case as some reporters were reporting success after it was applied,
> others still had issues[1]. But at least it seemed to improve the situation.
> Should this get proposed for upstream longterm trees?
> 
> -Stefan
> 
> From cf2e26cf8402af6f65bd89611682497db278f309 Mon Sep 17 00:00:00 2001

This seems to be 6903591f314b in the upstream tree. Also there was a
subsequent cleanup in 676dc3cf5bc3 which relies on dc5f219e, which we
should consider too. I think as a set they make sense for a
stable/longterm backport so you can have my:
Acked-by: Ian Campbell <ian.campbell@xxxxxxxxxx>
for forwarding to stable@

I expect you'll want/need tglx's Ack for the latter two as well.

Ian.

> From: Ian Campbell <ian.campbell@xxxxxxxxxx>
> Date: Mon, 1 Nov 2010 16:30:09 +0000
> Subject: [PATCH] xen: events: do not unmask event channels on resume
> 
> [1] https://bugs.launchpad.net/ubuntu/maverick/+source/linux/+bug/681083



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