Re: [Xen-devel] Re: [PATCH 0/2] Fix hangup after creating checkpoint on Xen.

From: Ian Campbell <ijc@hellion.org.uk>
To: Brendan Cully <brendan@cs.ubc.ca>
Cc: "xen-devel@lists.xensource.com" <xen-devel@lists.xensource.com>,
	LKML <linux-kernel@vger.kernel.org>,
	"linux-pm@lists.linux-foundation.org"
	<linux-pm@lists.linux-foundation.org>,
	"SUZUKI, Kazuhiro" <kaz@jp.fujitsu.com>
Subject: Re: [Xen-devel] Re: [PATCH 0/2] Fix hangup after creating checkpoint on Xen.
Date: Thu, 10 Feb 2011 11:31:13 +0000	[thread overview]
Message-ID: <1297337473.20491.144.camel__21312.3436239131$1297337563$gmane$org@zakaz.uk.xensource.com> (raw)
In-Reply-To: <20110209231659.GB249@zanzibar.kublai.com>

On Wed, 2011-02-09 at 23:16 +0000, Brendan Cully wrote:
> I'd like to keep the fast resume option, and expect that it can be
> contained entirely in Xen-specific code. I'll try to get someone to
> look into it here.

Thanks, please put them in contact with Kazuhiro who has already been
looking into this.

> I think fast resume is somewhat orthogonal to the problem of hanging
> on resume, which just sounds like a xen-specific bug in the slow
> path.

The bug on the Xen side is taking the slow path when the suspend was
actually cancelled, which is what the original patch tries to fix.

Or should/could the slow path be able cope either way?

Ian.

-- 
Ian Campbell
Current Noise: Neil Young - Love And War

For every complex problem, there is a solution that is simple, neat, and wrong.
		-- H. L. Mencken