linux-kernel - Re: [PATCH v2] xen/grant-table: correctly initialize grant table version 1

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Message-ID: <20130114153157.GF1156@phenom.dumpdata.com>
Date:	Mon, 14 Jan 2013 10:31:57 -0500
From:	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
To:	Matt Wilson <msw@...zon.com>
Cc:	stable@...r.kernel.org, Ian Campbell <Ian.Campbell@...rix.com>,
	Annie Li <annie.li@...cle.com>, xen-devel@...ts.xen.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] xen/grant-table: correctly initialize grant table
 version 1

On Mon, Jan 14, 2013 at 10:29:41AM +0100, Matt Wilson wrote:
> On Fri, Jan 11, 2013 at 04:35:50PM -0500, Konrad Rzeszutek Wilk wrote:
> > 
> > With this patch I get:
> > 
> > [    2.555087] GHES: HEST is not enabled!
> > [    2.560522] ioatdma: Intel(R) QuickData Technology Driver 4.00
> > [    2.569651] ------------[ cut here ]------------
> > [    2.570529] kernel BUG at /home/konrad/linux/drivers/xen/grant-table.c:1175!
> 
> You dropped part of a hunk when you applied the patch:
> 
> @@ -1127,17 +1128,17 @@ static void gnttab_request_version(void)
>                 panic("we need grant tables version 2, but only version 1 is a
>         } else {
>                 grant_table_version = 1;
> +               grefs_per_grant_frame = PAGE_SIZE / sizeof(struct grant_entry_
>                 gnttab_interface = &gnttab_v1_ops;
>         }
>         printk(KERN_INFO "Grant tables using version %d layout.\n",
>                 grant_table_version);
>  }
>  
> I can rebase to v3.8-rc3 if that would help.

Yes pls.
> 
> Matt
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