Messages in this thread | | | Date | Tue, 5 Jun 2012 19:18:23 +0800 | From | Zhao Chenhui <> | Subject | Re: [PATCH v5 2/5] powerpc/85xx: add HOTPLUG_CPU support |
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On Mon, Jun 04, 2012 at 11:32:47AM -0500, Scott Wood wrote: > On 06/04/2012 06:04 AM, Zhao Chenhui wrote: > > On Fri, Jun 01, 2012 at 04:27:27PM -0500, Scott Wood wrote: > >> On 05/11/2012 06:53 AM, Zhao Chenhui wrote: > >>> -#ifdef CONFIG_KEXEC > >>> +#if defined(CONFIG_KEXEC) || defined(CONFIG_HOTPLUG_CPU) > >> > >> Let's not grow lists like this. Is there any harm in building it > >> unconditionally? > >> > >> -Scott > > > > We need this ifdef. We only set give_timebase/take_timebase > > when CONFIG_KEXEC or CONFIG_HOTPLUG_CPU is defined. > > If we really need this to be a compile-time decision, make a new symbol > for it, but I really think this should be decided at runtime. Just > because we have kexec or hotplug support enabled doesn't mean that's > actually what we're doing at the moment. > > -Scott
If user does not enable kexec or hotplug, these codes are redundant. So use CONFIG_KEXEC and CONFIG_HOTPLUG_CPU to gard them.
-Chenhui
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