From: "Edgar E. Iglesias" <edgar.iglesias@xilinx.com>
To: Stefano Stabellini <sstabellini@kernel.org>
Cc: "Edgar E. Iglesias" <edgar.iglesias@gmail.com>,
Julien Grall <julien.grall@arm.com>,
Wei Liu <wei.liu2@citrix.com>,
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: Thu, 9 Jun 2016 17:55:09 +0200 [thread overview]
Message-ID: <20160609155020.GA21443@toto> (raw)
In-Reply-To: <alpine.DEB.2.10.1606081036080.14126@sstabellini-ThinkPad-X260>
On Wed, Jun 08, 2016 at 10:36:19AM +0100, Stefano Stabellini wrote:
> On Wed, 8 Jun 2016, Julien Grall wrote:
> > 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?
>
> Indeed, I would also wait for a backport
OK, Sounds good. I'm travelling at the moment so it might take a couple of
weeks for me to get back to this.
Cheers,
Edgar
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next prev parent reply other threads:[~2016-06-09 15:55 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-06-08 0:15 [PATCH for-4.7 1/1] xen/arm: Rename map_regions_rw_cache and use p2m.default_access Edgar E. Iglesias
2016-06-08 8:17 ` Wei Liu
2016-06-08 8:22 ` Julien Grall
2016-06-08 8:25 ` Wei Liu
2016-06-08 9:36 ` Stefano Stabellini
2016-06-09 15:55 ` Edgar E. Iglesias [this message]
2016-06-08 8:24 ` Julien Grall
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