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List:       qemu-devel
Subject:    Re: [Qemu-devel] [Xen-devel] [PULL 3/3] xen-disk: add support for multi-page shared rings
From:       Olaf Hering <olaf () aepfle ! de>
Date:       2017-07-27 6:02:41
Message-ID: 20170727060241.GA9327 () aepfle ! de
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On Tue, Jun 27, Stefano Stabellini wrote:

> From: Paul Durrant <paul.durrant@citrix.com>
> The blkif protocol has had provision for negotiation of multi-page shared
> rings for some time now and many guest OS have support in their frontend
> drivers.

> +++ b/hw/block/xen_disk.c

> +    domids = g_malloc0_n(blkdev->nr_ring_ref, sizeof(uint32_t));

According to [1] g_malloc0_n requires at least glib-2.24. As a result
compilation of qemu-2.10 fails in SLE11, which has just glib-2.22.

Olaf

[1] https://developer.gnome.org/glib/stable/glib-Memory-Allocation.html

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