Re: [Xen-devel] [PATCH 00/84] Remove direct map from Xen

[<hongyax@xxxxxxxxxx>]

I am updating my git email settings to comply with the Xen development 
guidelines. I am also asking my manager for permissions to set up git trees on 
xen.org. Once those are done, I will repost the series. Hopefully it will be 
less messy than this round.

Hongyan

On 25/09/2019 16:25, Wei Liu wrote:
> One thing I forgot to ask: can you publish a git branch for this
> series?
>
> Thanks,
> Wei.
>
> On Wed, Sep 25, 2019 at 04:13:49PM +0100, Wei Liu wrote:
> > Hi Hongyan
> >
> > Thanks for picking up this work.
> >
> > Please CC relevant maintainers and reviewers in the future. I have done
> > this for this cover letter.
> >
> > The From: field of your emails is not correct. This makes people not
> > able to reply to you directly. You may want to check your email
> > settings.
> >
> > On Wed, Sep 25, 2019 at 03:32:46PM +0100, hongyax wrote:
> > > Previously, Wei Liu has created the patch series to switch to
> > > alloc/map/unmap/free APIs for Xen page tables so that Xen page tables
> > > are mapped with map_domain_page(). This is the first step towards
> > > removing the direct map. I implemented patches on top of Wei's to remove
> > > the direct map completely.
> > >
> > > In addition to Wei's, my patches:
> > > - implement a proper PMAP infrastructure for bootstrapping
> > > - remove direct map code in map_domain_page() and use mapcache, use PMAP
> > >    when mapcache not ready
> > > - map/unmap xenheap allocations to the direct map region so that va<->pa
> > >    macros still work
> > > - install dummy mappings (no permissions, INVALID_MFN) instead of actual
> > >    1:1 mappings during boot, so the direct map no longer exists
> > > - fix many places where code incorrectly assumes a direct map
> > I think the series will need some reordering just by looking at the
> > things listed here and the commit subjects.  I will try to have a closer
> > look at some point.  Please also allow some time for other people to
> > have their say. Xen is about to freeze (or frozen already?) so people
> > may not get around to this large series any time soon.
> >
> > And in case you don't know, there is a wiki page [0] for submitting Xen
> > patches. In it there is a section about add_maintainers.pl. You can use
> > that script to add relevant maintainers.
> >
> > Thanks,
> > Wei.
> >
> > [0]: https://wiki.xenproject.org/wiki/Submitting_Xen_Project_Patches

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