From: Ian Campbell <ian.campbell@citrix.com>
To: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Cc: Konrad Rzeszutek Wilk <konrad@kernel.org>,
Chen Baozi <cbz@baozis.org>,
julien.grall@linaro.org, xen-devel@lists.xen.org
Subject: Re: Question about DMA on 1:1 mapping dom0 of arm64
Date: Fri, 17 Apr 2015 15:38:13 +0100 [thread overview]
Message-ID: <1429281493.25195.341.camel@citrix.com> (raw)
In-Reply-To: <alpine.DEB.2.02.1504171521260.7690@kaball.uk.xensource.com>
On Fri, 2015-04-17 at 15:32 +0100, Stefano Stabellini wrote:
> I think that given that dom0 is mapped 1:1 on ARM, the easiest and best
> fix would be to simply allocate memory under 4G to begin with.
Not necessarily best, see my reply (hint: dom0 might not have RAM under
4GB even if the host does).
next prev parent reply other threads:[~2015-04-17 14:38 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-04-17 11:24 Question about DMA on 1:1 mapping dom0 of arm64 Chen Baozi
2015-04-17 13:21 ` Ian Campbell
2015-04-17 14:34 ` Stefano Stabellini
2015-04-17 14:46 ` Ian Campbell
2015-04-17 16:13 ` Stefano Stabellini
2015-04-17 16:31 ` Ian Campbell
2015-04-18 9:08 ` Chen Baozi
2015-04-18 9:23 ` Chen Baozi
2015-04-20 9:00 ` Ian Campbell
2015-04-20 9:58 ` Stefano Stabellini
2015-04-20 10:11 ` Ian Campbell
2015-04-20 10:38 ` Stefano Stabellini
2015-04-20 11:11 ` Ian Campbell
2015-04-20 17:28 ` Stefano Stabellini
2015-04-20 10:46 ` Chen Baozi
2015-04-17 16:41 ` Chen Baozi
2015-04-20 9:07 ` Ian Campbell
2015-04-17 14:32 ` Stefano Stabellini
2015-04-17 14:38 ` Ian Campbell [this message]
2015-04-18 6:56 ` Chen Baozi
2015-04-18 8:29 ` Chen Baozi
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