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From: Robin Holt <holt@sgi.com>
To: Ingo Molnar <mingo@kernel.org>
Cc: Robin Holt <holt@sgi.com>, "H. Peter Anvin" <hpa@zytor.com>,
	Ingo Molnar <mingo@redhat.com>, Russ Anderson <rja@sgi.com>,
	Shawn Guo <shawn.guo@linaro.org>, Oleg Nesterov <oleg@redhat.com>,
	Andrew Morton <akpm@linux-foundation.org>,
	Lai Jiangshan <laijs@cn.fujitsu.com>,
	Linus Torvalds <torvalds@linux-foundation.org>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	Michel Lespinasse <walken@google.com>,
	"Paul E. McKenney" <paulmck@linux.vnet.ibm.com>,
	Paul Mackerras <paulus@samba.org>,
	Peter Zijlstra <peterz@infradead.org>,
	"rusty@rustcorp.com.au" <rusty@rustcorp.com.au>,
	Tejun Heo <tj@kernel.org>,
	the arch/x86 maintainers <x86@kernel.org>,
	Thomas Gleixner <tglx@linutronix.de>
Subject: Re: [Patch -v3 4/4] Make reboot_cpuid a kernel parameter.
Date: Tue, 16 Apr 2013 04:24:29 -0500	[thread overview]
Message-ID: <20130416092429.GI3658@sgi.com> (raw)
In-Reply-To: <20130416090109.GB8438@gmail.com>

On Tue, Apr 16, 2013 at 11:01:09AM +0200, Ingo Molnar wrote:
> 
> * Robin Holt <holt@sgi.com> wrote:
> 
> > On Mon, Apr 15, 2013 at 10:47:49AM -0700, H. Peter Anvin wrote:
> > > We usually don't break working user setups as a matter if policy.  Only if it can't be avoided.
> > > 
> > > Robin Holt <holt@sgi.com> wrote:
> > > 
> > > >On Mon, Apr 15, 2013 at 10:18:31AM -0700, H. Peter Anvin wrote:
> > > >> Um... doesn't this break anyone who currently depends on this?
> > > >
> > > >Yes.  That is also why I kept this separate and not tagged for
> > > >stable. They would need to start using the more general kernel
> > > >parameter
> > > >to get the same functionality.  Should I have done it differently?
> > 
> > How about:
> > Author: Robin Holt <holt@sgi.com>
> > Date:   Mon Apr 15 11:39:33 2013 -0500
> > 
> >     Make reboot_cpuid a kernel parameter.
> >     
> >     Moving the reboot=s<##> parameter for x86 to a kernel parameter
> >     proper.  I did not find any other arch that was specifying the
> >     reboot cpu.
> >     
> >     I left a compatibility mode in there.  The new parameter always
> >     takes precedence.  I also fixed up the current code to support
> >     up to cpuid's up to the current max of 4096.
> 
> Looks pretty nice and clean to me, as the old boot parameter still keeps working.
> 
> Mind sending an updated series that includes all the fixes and the Tested-by from 
> Shawn Guo?

Will do.  I am still going through the comments from Joe Perches to the
third patch.  Already have added the Tested-by to just the first patch.
Otherwise, I am ready to send -v4.

Robin

  reply	other threads:[~2013-04-16  9:24 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-04-15 17:12 [Patch -v3 0/4] Shutdown from reboot_cpuid without stopping other cpus Robin Holt
2013-04-15 17:14 ` [Patch -v3 1/4] Migrate shutdown/reboot to boot cpu Robin Holt
2013-04-16  3:02   ` Shawn Guo
2013-04-15 17:15 ` [Patch -v3 2/4] Move shutdown/reboot related functions to kernel/reboot.c Robin Holt
2013-04-15 17:38   ` Joe Perches
2013-04-15 17:16 ` [Patch -v3 3/4] checkpatch.pl the new kernel/reboot.c file Robin Holt
2013-04-15 17:45   ` Joe Perches
2013-04-15 18:39     ` Robin Holt
2013-04-16  9:41     ` Robin Holt
2013-04-16 15:10       ` Joe Perches
2013-04-15 17:16 ` [Patch -v3 4/4] Make reboot_cpuid a kernel parameter Robin Holt
2013-04-15 17:18   ` H. Peter Anvin
2013-04-15 17:33     ` Robin Holt
2013-04-15 17:47       ` H. Peter Anvin
2013-04-15 18:22         ` Robin Holt
2013-04-16  9:01           ` Ingo Molnar
2013-04-16  9:24             ` Robin Holt [this message]
2013-04-16  9:29               ` Ingo Molnar

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