lkml.org 
[lkml]   [2015]   [Sep]   [12]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [Xen-devel] [PATCH 0/2] block/xen-blkfront: Support non-indirect with 64KB page granularity
Hi Julien,

On 09/12/2015 03:31 AM, Julien Grall wrote:
> Hi all,
>
> This is a follow-up on the previous discussion [1] related to guest using 64KB
> page granularity not booting with backend using non-indirect grant.
>
> This has been successly tested on ARM64 with both 64KB and 4KB page granularity
> guests and QEMU as the backend. Indeed QEMU is not supported indirect.
>

What's the linux kernel page granularity of the backend(dom0) in your test?

Did you test if using xen-blkback as the backend? Especially when linux kernel page
granularity of dom0 is 4kB while domU is 64KB.

Thanks,
-Bob

> For a summary of the previous discussion see patch #2.
>
> This series is based on top of my 64KB page granularity support [2].
>
> Comments are welcomed.
>
> Sincerely yours,
>
> [1] http://lists.xen.org/archives/html/xen-devel/2015-08/msg01659.html
> [2] https://lwn.net/Articles/656797/
>
> Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
> Cc: "Roger Pau Monné" <roger.pau@citrix.com>
> Cc: Boris Ostrovsky <boris.ostrovsky@oracle.com>
> Cc: David Vrabel <david.vrabel@citrix.com>
>
> Julien Grall (2):
> block/xen-blkfront: Introduce blkif_ring_get_request
> block/xen-blkfront: Handle non-indirect grant with 64KB pages
>
> drivers/block/xen-blkfront.c | 229 ++++++++++++++++++++++++++++++++++++++-----
> 1 file changed, 202 insertions(+), 27 deletions(-)
>


\
 
 \ /
  Last update: 2015-09-12 12:01    [W:0.095 / U:3.656 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site