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From: Andrew Cooper <andrew.cooper3@citrix.com>
To: Jan Beulich <JBeulich@suse.com>,
	xen-devel <xen-devel@lists.xenproject.org>
Cc: Ian Campbell <Ian.Campbell@eu.citrix.com>,
	Ian Jackson <Ian.Jackson@eu.citrix.com>,
	Keir Fraser <keir@xen.org>, Tim Deegan <tim@xen.org>
Subject: Re: [PATCH] ns16550: limit mapped MMIO size
Date: Thu, 12 Nov 2015 17:04:00 +0000	[thread overview]
Message-ID: <5644C680.50601@citrix.com> (raw)
In-Reply-To: <5644C3E002000078000B4594@prv-mh.provo.novell.com>

On 12/11/15 15:52, Jan Beulich wrote:
> There's no point in mapping more than the memory we actually may need
> to touch, and in fact the too large region could actually extend into
> another device's one (which currently is benign on x86 since only a
> single page gets mapped anyway, but which is a latent bug on ARM
> whenever PCI support gets enabled there).
>
> Signed-off-by: Jan Beulich <jbeulich@suse.com>

Reviewed-by: Andrew Cooper <andrew.cooper3@citrix.com>

  reply	other threads:[~2015-11-12 17:04 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-11-12 15:52 [PATCH] ns16550: limit mapped MMIO size Jan Beulich
2015-11-12 17:04 ` Andrew Cooper [this message]
2015-11-16 16:52 ` Ian Campbell
2015-11-17 10:19   ` Jan Beulich
2015-11-17 10:32     ` Ian Campbell

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