linux-kernel - Re: [Xen-devel] Re: [PATCH 2/3] xen/granttable: Grant tables V2 implementation

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Date:	Mon, 21 Nov 2011 10:35:48 +0000
From:	Ian Campbell <Ian.Campbell@...rix.com>
To:	ANNIE LI <annie.li@...cle.com>
CC:	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>,
	"jeremy@...p.org" <jeremy@...p.org>,
	"xen-devel@...ts.xensource.com" <xen-devel@...ts.xensource.com>,
	"kurt.hackel@...cle.com" <kurt.hackel@...cle.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Paul Durrant <Paul.Durrant@...rix.com>
Subject: Re: [Xen-devel] Re: [PATCH 2/3] xen/granttable: Grant tables V2
 implementation

On Mon, 2011-11-21 at 09:51 +0000, ANNIE LI wrote:
> > The idea is just to have one function. Whichever prints the
> > string and panics the machine. If 'panic' does this properly
> > (and properly meaning it actually prints data when using
> > the earlyprintk=xen as well as console=hvc0) printout system
> > the we cuold just use 'panic' and not worry about it.
> >
> >
> > But if it does not, then we (and by we I mean you) should
> > provide a variant of panic() that prints the data properly using the
> > earlprintk mechanism. Preferrabily to make it generic.
> I did a simple test, a serial cable was connected,  and console=hvc0 was 
> added in grub.conf.
> Whether earlyprintk=xen is set or not, both panic() and xen_raw_printk 
> all can print out strings in gnttab_request_version of grant-table.c.
> 
> So I changed the
> 
> xen_raw_printk();
> panic();
> 
> back to
> 
> panic();

> Other change is the re-arrange "else if" format in 
> gnttab_request_version function.

Neither of these changes are in the attached patch, did you resend an
old one by mistake?

I think a fresh reposting of the series is in order, at least I've
rather lost track of which patches are the most recent ones in this
thread.

Ian.

> 
> Please refer to the patch attached.
> 
> Thanks
> Annie


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