Messages in this thread | | | Date | Tue, 15 Sep 2015 19:20:08 +0800 | From | Leo Yan <> | Subject | Re: [PATCH] arm64: enable generic idle loop |
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Hi Will,
On Fri, Aug 21, 2015 at 04:54:25PM +0100, Catalin Marinas wrote: > On Fri, Aug 21, 2015 at 05:14:46PM +0800, Leo Yan wrote: > > On Fri, Aug 21, 2015 at 10:00:43AM +0100, Catalin Marinas wrote: > > > On Fri, Aug 21, 2015 at 11:40:22AM +0800, Leo Yan wrote: > > > > Enable generic idle loop for ARM64, so can support for hlt/nohlt > > > > command line options to override default idle loop behavior. > > > > > > Just curious, what do you need this for? > > > > With this config, usually we can add "nohlt" in command line to force > > the cpu will never be powered off; so can quickly narrow down if some > > issues are related with cpuidle or not. > > > > And if CPU is powered off, then its debug logic also will be powered off. > > So we can simply use this method to let debugger always hot connect with > > the target CPU. > > OK. > > Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Suppose you have missed this patch at previous merge window, so just for reminding.
Thanks, Leo Yan
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