RE: [GIT/PATCH 0/5] Re: [Xen-devel] unfair servicing of DomU vbd requests

[Ian Campbell <Ian.Campbell@xxxxxxxxxxxxx>]

On Mon, 2011-03-07 at 03:37 +0000, MaoXiaoyun wrote:
> Hi Ian:
>  
>    Sorry to bother again. 
>    I've learnt git a bit, but still quite confused.
>    I've done the operation below, which in my understanding, I've
> merged
> irq-fairness branch into master. But the code is not complete, I need
> merge
> more, as your said, such as Konrad's 2.6.38 branch. Well, I have no
> idea what kinds of branch I need, and how to find them, do the
> branches exist in "git branch -r" or some place else?

The point at which you did the merge below should have been with e.g.
Konrad's 2.6.38 branch as your current HEAD. In other words you need to
merge my irq-frairness branch _into_ an existing complete branch.

Ian.

>  
>  
> 
> 
> $ git clone
> git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6.git
> 
> $ cd linux-2.6
> 
> linux-2.6$ git remote add ianc
> git://xenbits.xen.org/people/ianc/linux-2.6.git
> 
> linux-2.6$ git fetch ianc
> 
> linux-2.6$ git merge ianc/irq-fairness
> 
>  
> Git is not easy to learn, espescially on understaning kernel source
> management.
> many thanks.
> 
>  
> > Subject: RE: [GIT/PATCH 0/5] Re: [Xen-devel] unfair servicing of
> DomU vbd requests
> > From: Ian.Campbell@xxxxxxxxxxxxx
> > To: tinnycloud@xxxxxxxxxxx
> > CC: xen-devel@xxxxxxxxxxxxxxxxxxx; james.harper@xxxxxxxxxxxxxxxx
> > Date: Fri, 4 Mar 2011 10:06:03 +0000
> > 
> > On Fri, 2011-03-04 at 09:59 +0000, MaoXiaoyun wrote:
> > > 
> > > Thanks Ian.
> > > 
> > > I've just pull the code.
> > > But could the kernel be used as dom0, since I can't find blkback
> in
> > > driver/xen which is needed, right?
> > 
> > > And what is the usage of this branch?
> > 
> > It is a topic branch intended for a maintainer to pull into their
> tree.
> > It is not a standalone tree which you can just use -- that is why I
> > described below how to pull it into an existing base.
> > 
> > You will find that the majority of git branches are topic branches
> which
> > do not standalone. If you intend to be pulling peoples development
> > branches then I strongly recommend you google up some git
> documentation
> > and learn all about branches and merging etc.
> > 
> > Ian. 
> > 
> > > 
> > > 
> > > > Subject: RE: [GIT/PATCH 0/5] Re: [Xen-devel] unfair servicing of
> > > DomU vbd requests
> > > > From: Ian.Campbell@xxxxxxxxxxxxx
> > > > To: tinnycloud@xxxxxxxxxxx
> > > > CC: xen-devel@xxxxxxxxxxxxxxxxxxx; james.harper@xxxxxxxxxxxxxxxx
> > > > Date: Fri, 4 Mar 2011 07:21:29 +0000
> > > > 
> > > > On Fri, 2011-03-04 at 07:12 +0000, MaoXiaoyun wrote:
> > > > > I've tried to clone, but confront this error, did I do right?
> > > > 
> > > > Your command will try and clone my default branch, which I'm not
> > > sure I
> > > > have configured (I don't really want one since no branch is
> > > particularly
> > > > special in my tree).
> > > > 
> > > > I would recommend that instead of completely cloning a fresh
> tree
> > > for
> > > > each tree you are interested in that you just add a new remote
> to
> > > your
> > > > existing tree, which could be a clone of e..g xen.git or Linus'
> > > tree.
> > > > 
> > > > e.g:
> > > > 
> > > > Once:
> > > > $ git clone
> > >
> git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6.git
> > > > $ cd linux-2.6
> > > > 
> > > > Then for each new tree you are interested in:
> > > > linux-2.6$ git remote add ianc
> > > git://xenbits.xen.org/people/ianc/linux-2.6.git
> > > > linux-2.6$ git fetch ianc
> > > > [...pulls in updates from ianc...]
> > > > linux-2.6$ git log ianc/irq-fairness
> > > > 
> > > > etc. See "git remote --help" for more info.
> > > > 
> > > > Since my irq-fairness branch likely doesn't stand alone you will
> > > > probably need to merge it into your current 2.6.38 based head
> > > (something
> > > > like Konrad's 2.6.38 branch for example). e.g.
> > > > 
> > > > linux-2.6$ git merge ianc/irq-fairness
> > > > 
> > > > Alternatively (and better) you can pull a single remote branch
> and
> > > merge
> > > > it into your current head. e.g.
> > > > linux-2.6$ git pull
> git://xenbits.xen.org/people/ianc/linux-2.6.git
> > > irq-fairness
> > > > 
> > > > Compared with the git merge approach this creates a more
> informative
> > > > automated merge commit log.
> > > > 
> > > > The arguments to git pull are taken literally from the pull
> request:
> > > > > > > The following changes since commit
> > > c5ae07bb307b658c8458f29ca77d237aec0f9327:
> > > > > > > Ian Campbell (1):
> > > > > > > xen: events: remove dom0 specific xen_create_msi_irq
> > > > > > > 
> > > > > > > are available in the git repository at:
> > > > > > > 
> > > > > > > git://xenbits.xen.org/people/ianc/linux-2.6.git
> irq-fairness
> > > > 
> > > > Ian.
> > > > 
> > > > 
> > 
> > 



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