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xen-devel
RE: [Xen-devel] [PATCH]xend: passthrough: do not check non-page-aligned
To: |
Tom Rotenberg <tom.rotenberg@xxxxxxxxx> |
Subject: |
RE: [Xen-devel] [PATCH]xend: passthrough: do not check non-page-aligned MMIO BAR if not strict-check |
From: |
"Cui, Dexuan" <dexuan.cui@xxxxxxxxx> |
Date: |
Fri, 16 Oct 2009 00:00:54 +0800 |
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"xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>, "Kay, Allen M" <allen.m.kay@xxxxxxxxx>, Keir Fraser <keir.fraser@xxxxxxxxxxxxx> |
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Thu, 15 Oct 2009 09:00:42 -0700 |
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[Xen-devel] [PATCH]xend: passthrough: do not check non-page-aligned MMIO BAR if not strict-check |
Yes, because by default we try to prevent potential security issue.
Thanks,
-- Dexuan
-----Original Message-----
From: Tom Rotenberg [mailto:tom.rotenberg@xxxxxxxxx]
Sent: 2009?10?15? 23:57
To: Cui, Dexuan
Cc: Keir Fraser; xen-devel@xxxxxxxxxxxxxxxxxxx; Kay, Allen M
Subject: Re: [Xen-devel] [PATCH]xend: passthrough: do not check
non-page-aligned MMIO BAR if not strict-check
Will the default setting be to check the alignment?
On Thu, Oct 15, 2009 at 5:54 PM, Cui, Dexuan <dexuan.cui@xxxxxxxxx> wrote:
> When the option pci-passthrough-strict-check of /etc/xen/xend-config.sxp is
> set to 'no', we don't check the non-page-aligned MMIO BAR.
> This could be useful in some cases, e.g., when there is only 1 device in the
> range of the page and we try to assign the device to pv guest.
>
> Signed-off-by: Dexuan Cui <dexuan.cui@xxxxxxxxx>
> _______________________________________________
> Xen-devel mailing list
> Xen-devel@xxxxxxxxxxxxxxxxxxx
> http://lists.xensource.com/xen-devel
>
>
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