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Message-ID: <CAH+eYFAfCSVjf=dbfJn=kUyWQ8v7him7jLnKkPM33qGxb_nj3A@mail.gmail.com> Date: Sun, 7 Aug 2011 15:00:20 +0530 From: Rabin Vincent <rabin@....in> To: Tejun Heo <tj@...nel.org> Cc: Andrew Morton <akpm@...ux-foundation.org>, linux-kernel@...r.kernel.org, x86@...nel.org Subject: Re: [PATCH] stop_machine: build unconditionally if SMP On Sun, Aug 7, 2011 at 13:09, Tejun Heo <tj@...nel.org> wrote: > On Sat, Aug 06, 2011 at 04:38:37PM -0700, Andrew Morton wrote: >> The priority is unclear. It appears that the patch fixes a build error >> under sone circumstances in current mainline? > > I don't think it would have triggered build error as there are dummy > functions which just calls the function on the local CPU, but it does > look pretty broken now. e.g. ia64 supports memory hotplug which > depends on stop machine but it would still be using dummy local > version, which can't be right. Right. Although I guess most people build with MODULE_UNLOAD enabled, so wouldn't hit the problem. > Robin, is there an open bug report regarding this issue? I'm not sure > enough to suggest -stable but definitely mainline material. There's no bug report. I noticed it because I sometimes build ARM kernels with module support and HOTPLUG_CPU disabled. -- 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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