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Date: Tue, 16 Apr 2013 04:24:29 -0500 From: Robin Holt <holt@....com> To: Ingo Molnar <mingo@...nel.org> Cc: Robin Holt <holt@....com>, "H. Peter Anvin" <hpa@...or.com>, Ingo Molnar <mingo@...hat.com>, Russ Anderson <rja@....com>, Shawn Guo <shawn.guo@...aro.org>, Oleg Nesterov <oleg@...hat.com>, Andrew Morton <akpm@...ux-foundation.org>, Lai Jiangshan <laijs@...fujitsu.com>, Linus Torvalds <torvalds@...ux-foundation.org>, Linux Kernel Mailing List <linux-kernel@...r.kernel.org>, Michel Lespinasse <walken@...gle.com>, "Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>, Paul Mackerras <paulus@...ba.org>, Peter Zijlstra <peterz@...radead.org>, "rusty@...tcorp.com.au" <rusty@...tcorp.com.au>, Tejun Heo <tj@...nel.org>, the arch/x86 maintainers <x86@...nel.org>, Thomas Gleixner <tglx@...utronix.de> Subject: Re: [Patch -v3 4/4] Make reboot_cpuid a kernel parameter. On Tue, Apr 16, 2013 at 11:01:09AM +0200, Ingo Molnar wrote: > > * Robin Holt <holt@....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@....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@....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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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