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Message-ID: <20150915112008.GA30920@leoy-linaro> Date: Tue, 15 Sep 2015 19:20:08 +0800 From: Leo Yan <leo.yan@...aro.org> To: Catalin Marinas <catalin.marinas@....com> Cc: Will Deacon <will.deacon@....com>, linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org Subject: Re: [PATCH] arm64: enable generic idle loop 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@....com> Suppose you have missed this patch at previous merge window, so just for reminding. Thanks, Leo Yan -- 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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