linux-kernel - [PATCH 0/2] block/xen-blkfront: Support non-indirect with 64KB page granularity

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Message-ID: <1441999920-3639-1-git-send-email-julien.grall@citrix.com>
Date:	Fri, 11 Sep 2015 20:31:58 +0100
From:	Julien Grall <julien.grall@...rix.com>
To:	<xen-devel@...ts.xenproject.org>
CC:	<ian.campbell@...rix.com>, <stefano.stabellini@...citrix.com>,
	<linux-kernel@...r.kernel.org>,
	Julien Grall <julien.grall@...rix.com>,
	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>,
	Roger Pau Monné <roger.pau@...rix.com>,
	Boris Ostrovsky <boris.ostrovsky@...cle.com>,
	David Vrabel <david.vrabel@...rix.com>
Subject: [PATCH 0/2] block/xen-blkfront: Support non-indirect with 64KB page granularity

Hi all,

This is a follow-up on the previous discussion [1] related to guest using 64KB
page granularity not booting with backend using non-indirect grant.

This has been successly tested on ARM64 with both 64KB and 4KB page granularity
guests and QEMU as the backend. Indeed QEMU is not supported indirect.

For a summary of the previous discussion see patch #2.

This series is based on top of my 64KB page granularity support [2].

Comments are welcomed.

Sincerely yours,

[1] http://lists.xen.org/archives/html/xen-devel/2015-08/msg01659.html
[2] https://lwn.net/Articles/656797/

Cc: Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
Cc: "Roger Pau Monné" <roger.pau@...rix.com>
Cc: Boris Ostrovsky <boris.ostrovsky@...cle.com>
Cc: David Vrabel <david.vrabel@...rix.com>

Julien Grall (2):
  block/xen-blkfront: Introduce blkif_ring_get_request
  block/xen-blkfront: Handle non-indirect grant with 64KB pages

 drivers/block/xen-blkfront.c | 229 ++++++++++++++++++++++++++++++++++++++-----
 1 file changed, 202 insertions(+), 27 deletions(-)

-- 
2.1.4

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