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Re: [Xen-devel] [PATCH v2 12/12] xenctx: Add optional fCPU.

On 11/07/13 07:53, Ian Campbell wrote:
On Thu, 2013-11-07 at 08:40 +0000, Jan Beulich wrote:
On 06.11.13 at 21:08, Don Slutz <dslutz@xxxxxxxxxxx> wrote:
This can be used to dump the normal ctx for an HVM DomU by passing
-1 to fCPU.

If only some of the vCPUs in a HVM DomU, you need to ask for ask for
the on line CPU number, not the expected vCPU number; fCPU can be
used for this.
I'm sorry, but I can't make sense of this description, and hence
can't review the patch.
Yeah, I'm wondering what the f stands for.


As I have said in

Subject: Re: [PATCH v2 11/12] xenctx: Dump registers via hvm info if available.
Date: Thu, 7 Nov 2013 16:19:34 -0500
From: Don Slutz <dslutz@xxxxxxxxxxxxx>
To: Jan Beulich <JBeulich@xxxxxxxx>, Don Slutz <dslutz@xxxxxxxxxxx>
CC: Ian Campbell <ian.campbell@xxxxxxxxxx>, Don Slutz <Don@xxxxxxxxxxxxxxx>, George Dunlap <george.dunlap@xxxxxxxxxxxxx>, Ian Jackson <ian.jackson@xxxxxxxxxxxxx>, Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>, xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxxx>

This was code to work around a bug. I do not see how I got the result I did and since that DomU (and old xen version) is long gone, I will attempt to get a DomU in a similar state and check that this is not need.
ÂÂÂ -Don Slutz

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