Re: [Xen-devel] [PATCH RFC 0/5] Split off mini-os to a separate tree

[Wei Liu <wei.liu2@xxxxxxxxxx>]

On Mon, Jan 26, 2015 at 09:53:25AM +0000, Thomas Leonard wrote:
> [ Cc += Anil ]
> 
> On 25 January 2015 at 18:25, Wei Liu <wei.liu2@xxxxxxxxxx> wrote:
> > Cc Ian and Ian and some folks who might be interested in this work.
> >
> > On Sun, Jan 25, 2015 at 06:13:41PM +0000, Wei Liu wrote:
> >> There has been increasing use of mini-os in unikernel world and basically
> >> everybody has their own fork of mini-os. That way going foward is going
> >> to cause fragmentation of the community.
> >>
> >> We would like to split off mini-os tree so that everybody can upstream 
> >> their
> >> changes and work on a common code base. Later I would also like to setup
> >> a proper push gate for mini-os.
> >>
> >> Stubdom's build environment is known to be very fragile, so basically all 
> >> the
> >> real work is done in top level Makefile.
> >>
> >> I use following runes to split off mini-os:
> >>
> >>   git filter-branch --tag-name-filter cat \
> >>     --subdirectory-filter extras/mini-os/ -- --all
> >>
> >>   # There is already a tag name 4.3.0-rc2 which points to the same commit.
> >>   git tag -d xen-4.3.0-rc2
> >>
> >>   # Add xen- prefix to all tags
> >>   for t in `git tag`; do git tag "xen-$t" "$t"; git tag -d "$t" ; done
> >>
> >>   git gc --aggressive
> >>
> >> The tree can be found at:
> >>   git://xenbits.xen.org/people/liuw/mini-os.git master
> >>
> >> Note that mini-os cannot build on its own due to the limitation of it's own
> >> build system. Splitting it off it's the first step towards fixing that 
> >> problem
> 
> In case it's useful: for the standalone version of Mini-OS used by
> Mirage, I had to include these directories too:
> 
> 1. xen/include/public
> 2. xen/common/libfdt
> 3. xen/include/xen/libfdt

Is libfdt required? I see inclusion of libfdt.h in arch/arm/mm.c but I
couldn't find trace to link libfdt in Makefile. And I ran a simple test
to compile minios in Xen tree on an arm board it doesn't compile.

If arm support is still WIP I'm going to ignore libfdt for now.

Wei.

> 4. config
> 
> ( https://github.com/talex5/xen/tree/minios-releases )
> 
> Will there be a separate mailing list for Mini-OS? That would be very
> useful for people who don't want to keep up with xen-devel.
> 
> Thanks!
> 
> 
> -- 
> Dr Thomas Leonard        http://0install.net/
> GPG: 9242 9807 C985 3C07 44A6  8B9A AE07 8280 59A5 3CC1
> GPG: DA98 25AE CAD0 8975 7CDA  BD8E 0713 3F96 CA74 D8BA

_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxx
http://lists.xen.org/xen-devel