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From: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
To: "Roger Pau Monné" <roger.pau@citrix.com>, axboe@fb.com
Cc: Bob Liu <bob.liu@oracle.com>,
	xen-devel@lists.xenproject.org, boris.ostrovsky@oracle.com,
	jennifer.herbert@citrix.com, david.vrabel@citrix.com,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH RESEND 1/2] xen/blkback: safely unmap purge persistent grants
Date: Thu, 26 Mar 2015 15:01:01 -0400	[thread overview]
Message-ID: <20150326190101.GB31979@l.oracle.com> (raw)
In-Reply-To: <5514246F.7020909@citrix.com>

On Thu, Mar 26, 2015 at 04:23:27PM +0100, Roger Pau Monné wrote:
> El 26/03/15 a les 13.16, Bob Liu ha escrit:
> > Commit c43cf3ea8385 ("xen-blkback: safely unmap grants in case they are still
> > in use") use gnttab_unmap_refs_async() to wait until the mapped pages are no
> > longer in use before unmapping them, but that commit missed the persistent case.
> > Purge persistent pages can't be unmapped either unless no longer in use.
> > 
> > Signed-off-by: Bob Liu <bob.liu@oracle.com>
> 
> AFAICT since this is basically the same patch as what I've sent:
> 
> Acked-by: Roger Pau Monné <roger.pau@citrix.com>
>

Hey Jens,

These patches are on top of patches that add this framework in the Xen tree.
Would you be OK with this patch (and the other which I will CC shortly)
to go through the Xen tree?

Thanks. 

  reply	other threads:[~2015-03-26 19:01 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-03-26 12:16 Bob Liu
2015-03-26 12:16 ` [PATCH 2/2] xen/grant: introduce func gnttab_unmap_refs_async_wait_completion() Bob Liu
2015-03-26 15:32   ` Roger Pau Monné
2015-03-28  0:44     ` Konrad Rzeszutek Wilk
2015-03-30  0:03       ` Bob Liu
2015-04-01 10:05         ` [Xen-devel] " David Vrabel
2015-03-26 19:01   ` Konrad Rzeszutek Wilk
2015-04-01 10:18   ` [Xen-devel] " David Vrabel
2015-04-01 11:55     ` Bob Liu
2015-03-26 15:23 ` [PATCH RESEND 1/2] xen/blkback: safely unmap purge persistent grants Roger Pau Monné
2015-03-26 19:01   ` Konrad Rzeszutek Wilk [this message]
2015-03-26 20:11     ` Jens Axboe

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