From: Julien Grall <julien.grall@linaro.org>
To: Ian Campbell <ian.campbell@citrix.com>, xen-devel@lists.xen.org
Cc: tim@xen.org, stefano.stabellini@eu.citrix.com
Subject: Re: [PATCH] xen: arm: configure correct dom0_gnttab_start/size
Date: Thu, 11 Sep 2014 13:11:51 -0700 [thread overview]
Message-ID: <54120207.8060000@linaro.org> (raw)
In-Reply-To: <1410448889-18731-1-git-send-email-ian.campbell@citrix.com>
Hi Ian,
On 11/09/14 08:21, Ian Campbell wrote:
> This just fixes vexpress, I wonder if a followup patch should either remove the
> default dom0_gnttab (forcing all platforms to specify one explicitly) or make
> the default something less arbitrary than 0xb0000000, e.g. 0x0-0x20000 or
> 0xfffe0000-0x100000000 (very start or very end of RAM). Perhaps with a command
> line option to override for new platform hacking.
Dropping the default value sounds a good solution.
> Or maybe we should search for an unused hole in the dom0 RAM space?
I'm not sure to understand your suggestion here. Did you mean that as
DOM0 will never use all the host RAM, we could find a space in the RAM
to use for grant table?
Regards,
--
Julien Grall
next prev parent reply other threads:[~2014-09-11 20:11 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-09-11 15:21 [PATCH] xen: arm: configure correct dom0_gnttab_start/size Ian Campbell
2014-09-11 15:37 ` Ian Campbell
2014-09-11 15:54 ` Andrew Cooper
2014-09-11 16:05 ` Ian Campbell
2014-09-11 16:51 ` David Vrabel
2014-09-12 9:56 ` Ian Campbell
2014-09-11 20:11 ` Julien Grall [this message]
2014-09-12 9:54 ` Ian Campbell
2014-09-12 19:20 ` Julien Grall
2014-11-04 10:17 ` Ian Campbell
2014-11-04 10:20 ` Stefano Stabellini
2014-11-04 12:48 ` Julien Grall
2014-11-04 17:20 ` Konrad Rzeszutek Wilk
2014-11-05 10:59 ` Ian Campbell
2014-11-04 12:46 ` Julien Grall
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