linux-kernel - Re: [PATCH v3 4/4] futex: Avoid taking hb lock if nothing to wakeup

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Date:	Thu, 19 Dec 2013 20:42:13 +0100
From:	Ingo Molnar <mingo@...nel.org>
To:	Davidlohr Bueso <davidlohr@...com>
Cc:	linux-kernel@...r.kernel.org, mingo@...hat.com,
	dvhart@...ux.intel.com, peterz@...radead.org, tglx@...utronix.de,
	paulmck@...ux.vnet.ibm.com, efault@....de, jeffm@...e.com,
	torvalds@...ux-foundation.org, jason.low2@...com,
	Waiman.Long@...com, tom.vaden@...com, scott.norton@...com,
	aswin@...com
Subject: Re: [PATCH v3 4/4] futex: Avoid taking hb lock if nothing to wakeup


* Davidlohr Bueso <davidlohr@...com> wrote:

> On Thu, 2013-12-19 at 20:25 +0100, Ingo Molnar wrote:
> > * Davidlohr Bueso <davidlohr@...com> wrote:
> > 
> > > Signed-off-by: Davidlohr Bueso <davidlohr@...com>
> > > Signed-off-by: Waiman Long <Waiman.Long@...com>
> > > Signed-off-by: Jason Low <jason.low2@...com>
> > 
> > So, that's not a valid SOB sequence either, the person sending me a 
> > patch should be the last person in the SOB chain 
> 
> Which is why I had it like that in the original version.

The problem with that order was that the first person should be the 
primary author and in the 'From' tag.

A SOB chain is intended to depict the true propagation/route of a 
patch, from author, through maintainers who handle and forward it, to 
the maintainer who applies it to a Git tree. The patch starts up with 
a single SOB (the primary author's) and every 'hop' after that adds a 
SOB to the tail of the existing SOB chain.

> > - if you want to 
> > credit them please add a Reviewed-by or add special credits to the 
> > changelog.
> 
> I will change the tags and resend in a v4.

Thanks,

	Ingo
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