linux-kernel - Re: [RFC PATCH RT] rwsem: The return of multi-reader PI rwsems

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Message-ID: <20140414140820.GK11096@twins.programming.kicks-ass.net>
Date:	Mon, 14 Apr 2014 16:08:20 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	Steven Rostedt <rostedt@...dmis.org>
Cc:	Ingo Molnar <mingo@...nel.org>,
	LKML <linux-kernel@...r.kernel.org>,
	linux-rt-users <linux-rt-users@...r.kernel.org>,
	Mike Galbraith <umgwanakikbuti@...il.com>,
	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>,
	Paul Gortmaker <paul.gortmaker@...driver.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Sebastian Andrzej Siewior <bigeasy@...utronix.de>,
	Clark Williams <williams@...hat.com>,
	Frederic Weisbecker <fweisbec@...il.com>
Subject: Re: [RFC PATCH RT] rwsem: The return of multi-reader PI rwsems

On Mon, Apr 14, 2014 at 09:34:19AM -0400, Steven Rostedt wrote:
> On Mon, 14 Apr 2014 11:55:54 +0200
> Ingo Molnar <mingo@...nel.org> wrote:
> 
> > > Index: linux-rt.git/kernel/rtmutex.c  
> > 
> > Side note: could you please in general include diffstats with such 
> > patches, especially since you seem to be exporting it from a Git repo?
> 
> Sure, I'll try to remember to add them. I do my work in a git repo and
> then do:
> 
> git diff > mypatch.patch
> quilt import mypatch.patch
> patch -p1 -R < mypatch.patch
> rm mypatch.patch
> 
> and then I pull patches/mypatch.patch into my email to do the RFC.
> 
> > 
> > Newfangled patch summaries like:
> > 
> >  include/linux/rtmutex.h  |   29 ++
> >  include/linux/rwsem_rt.h |    8 
> >  include/linux/sched.h    |   20 +
> >  kernel/fork.c            |   20 +
> >  kernel/futex.c           |    2 
> >  kernel/rt.c              |   27 +
> >  kernel/rtmutex.c         |  645 +++++++++++++++++++++++++++++++++++++++++++++--
> >  kernel/rtmutex_common.h  |   19 +
> >  kernel/sysctl.c          |   13 
> >  9 files changed, 753 insertions(+), 30 deletions(-)
> > 
> > Really give a useful bird's eye view of forest Fangorn, before 
> > straying into it!
> 
> diffstat patches/mypatch.patch should also give the same. Hmm, I wonder
> if quilt has any commands to do this for me?

QUILT_REFRESH_ARGS="--no-timestamps --backup --diffstat --strip-trailing-whitespace --no-index --sort -p1 -p ab"


Note the --diffstat; you'll need to add 'quilt refresh' to your cmd-list
though.
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