linux-kernel - Re: [PATCH 1/6 RFC] arch/blackfin/kernel/process.c: Remove the BKL from sys

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Date:	Tue, 13 Oct 2009 10:27:53 +0200 (CEST)
From:	John Kacur <jkacur@...hat.com>
To:	Mike Frysinger <vapier.adi@...il.com>
cc:	linux-kernel@...r.kernel.org, Thomas Gleixner <tglx@...utronix.de>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Vincent Sanders <vince@...tec.co.uk>,
	Ingo Molnar <mingo@...e.hu>,
	Christoph Hellwig <hch@...radead.org>,
	Alan Cox <alan@...rguk.ukuu.org.uk>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Jonathan Corbet <corbet@....net>,
	David Howells <dhowells@...hat.com>,
	Yoshinori Sato <ysato@...rs.sourceforge.jp>,
	Roman Zippel <zippel@...ux-m68k.org>,
	Greg Ungerer <gerg@...inux.org>,
	Koichi Yasutake <yasutake.koichi@...panasonic.com>
Subject: Re: [PATCH 1/6 RFC] arch/blackfin/kernel/process.c: Remove the BKL
  from sys_execve



On Tue, 13 Oct 2009, Mike Frysinger wrote:

> On Mon, Oct 12, 2009 at 18:33, John Kacur wrote:
> > This looks like a cut-and-paste job.
> > For example, compare this function to sys_execve in
> > arch/x86/kernel/process_64.c
> >
> > and it is almost line by line the same, except the one in x86 nolonger has the
> > big kernel lock. All of the functions called between the lock are generic
> > and not specific to blackfin - thus, I believe it is safe to remove the
> > bkl here.
> 
> and it still boots/runs fine, so np here
> Acked-by: Mike Frysinger <vapier@...too.org>
> -mike

Cool - are you testing on one of those nifty smp (or smp-like) blackfins?
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