From: Julien Grall <julien.grall@arm.com>
To: Wei Liu <wei.liu2@citrix.com>,
"Edgar E. Iglesias" <edgar.iglesias@gmail.com>
Cc: edgar.iglesias@xilinx.com, sstabellini@kernel.org,
xen-devel@lists.xen.org
Subject: Re: [PATCH for-4.7 1/1] xen/arm: Rename map_regions_rw_cache and use p2m.default_access
Date: Wed, 8 Jun 2016 09:22:56 +0100 [thread overview]
Message-ID: <a0ab2eb9-f757-46d1-df84-7886ef304b61@arm.com> (raw)
In-Reply-To: <20160608081705.GB17632@citrix.com>
Hi Wei,
On 08/06/2016 09:17, Wei Liu wrote:
> On Wed, Jun 08, 2016 at 02:15:27AM +0200, Edgar E. Iglesias wrote:
>> From: "Edgar E. Iglesias" <edgar.iglesias@xilinx.com>
>>
>> Rename map_regions_rw_cache to map_regions_cache and make it use
>> p2m.default_access.
>>
>> Suggested-by: Julien Grall <julien.grall@arm.com>
>> Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
>
> I don't think this is absolutely necessary for 4.7.
>
> On the other hand, it is just straight renaming, which should be quite
> safe.
This patch does not only contain a renaming, it also contain a change to
fix the default memaccess attribute.
However, I don't see why we should rename the function to
map_regions_cache given this will always map the region Read-Write
(p2m_mmio_direct prevents the execution of the memory).
> If I can get an ack or review from maintainers and confirmation that it
> doesn't break ARM build within today, we can shovel this in; otherwise
> it needs to wait for next version of Xen.
I would wait for a backport here. Stefano, any opinions?
Regards,
--
Julien Grall
_______________________________________________
Xen-devel mailing list
Xen-devel@lists.xen.org
http://lists.xen.org/xen-devel
next prev parent reply other threads:[~2016-06-08 8:22 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-06-08 0:15 Edgar E. Iglesias
2016-06-08 8:17 ` Wei Liu
2016-06-08 8:22 ` Julien Grall [this message]
2016-06-08 8:25 ` Wei Liu
2016-06-08 9:36 ` Stefano Stabellini
2016-06-09 15:55 ` Edgar E. Iglesias
2016-06-08 8:24 ` Julien Grall
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=a0ab2eb9-f757-46d1-df84-7886ef304b61@arm.com \
--to=julien.grall@arm.com \
--cc=edgar.iglesias@gmail.com \
--cc=edgar.iglesias@xilinx.com \
--cc=sstabellini@kernel.org \
--cc=wei.liu2@citrix.com \
--cc=xen-devel@lists.xen.org \
--subject='Re: [PATCH for-4.7 1/1] xen/arm: Rename map_regions_rw_cache and use p2m.default_access' \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).