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From: Vlad Zolotarov <vlad@scalemp.com>
To: Ingo Molnar <mingo@kernel.org>
Cc: linux-kernel <linux-kernel@vger.kernel.org>,
	Thomas Gleixner <tglx@linutronix.de>,
	Ingo Molnar <mingo@redhat.com>, "H. Peter Anvin" <hpa@zytor.com>,
	"Shai Fultheim (Shai@ScaleMP.com)" <Shai@scalemp.com>,
	Ido Yariv <ido@wizery.com>
Subject: Re: [PATCH v3 1/2] x86: Define early read-mostly per-cpu macros
Date: Mon, 21 May 2012 14:12:18 +0300	[thread overview]
Message-ID: <10387490.kMM6uuuW2C@vlad> (raw)
In-Reply-To: <20120521084626.GD31407@gmail.com>

On Monday, May 21, 2012 10:46:26 AM Ingo Molnar wrote:
> * Vlad Zolotarov <vlad@scalemp.com> wrote:
> > Some read-mostly per-cpu data may need to be declared or defined early,
> > so it can be initialized and accessed before per_cpu areas are
> > allocated.
> > 
> > Only the data that resides in the per_cpu areas should be read-mostly,
> > as there is little benefit in optimizing cache lines on initialization.
> > 
> > Signed-off-by: Vlad Zolotarov <vlad@scalemp.com>
> > Signed-off-by: Ido Yariv <ido@wizery.com>
> > Signed-off-by: Shai Fultheim <shai@scalemp.com>
> 
> That's not a valid signoff chain. If you send me a patch then
> you should be the last SOB - but as the author you should be the
> first SOB as well. I edited the two SOBs to be Acked-by's.

Thanks, Ingo. I understand. However the "history" of this patch is not as 
simple as u represent. ;) 

It was originally written by Ido and I just posted it (then I put my SOB at 
the end of SOB list). But after u noted that it didn't compile on !SMP i 
reworked it but yet Ido did at least half of the coding, so I put my SOB at 
the first place (as I was the last one writing the code) and then Ido's as he 
actually wrote the code in this patch as well and I do wanted to give him a 
credit.

Do u still think changing his (Ido's) SOB to Acked-by was the right thing to 
do?

Thanks,
vlad

> 
> Thanks,
> 
> 	Ingo

  reply	other threads:[~2012-05-21 11:12 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-05-20 15:19 [PATCH v3 1/2] x86: Define early read-mostly per-cpu macros Vlad Zolotarov
2012-05-21  8:46 ` Ingo Molnar
2012-05-21 11:12   ` Vlad Zolotarov [this message]
2012-05-21 12:28     ` Ingo Molnar
2012-05-21 13:27       ` Vlad Zolotarov

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