linux-kernel - Re: [EDT][PATCH 1/1] hw_breakpoint.c :cpu hotplug handling

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Message-ID: <20150513160847.GG3343@arm.com>
Date:	Wed, 13 May 2015 17:08:47 +0100
From:	Will Deacon <will.deacon@....com>
To:	Maninder Singh <maninder1.s@...sung.com>
Cc:	"linux@....linux.org.uk" <linux@....linux.org.uk>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"v.narang@...sung.com" <v.narang@...sung.com>,
	Amit Arora <amit.arora@...sung.com>,
	AJEET YADAV <ajeet.y@...sung.com>,
	AKHILESH KUMAR <akhilesh.k@...sung.com>
Subject: Re: [EDT][PATCH 1/1] hw_breakpoint.c :cpu hotplug handling

On Wed, May 13, 2015 at 06:24:06AM +0100, Maninder Singh wrote:
> EP-2DAD0AFA905A4ACB804C4F82A001242F
> 
> Subject: [PATCH 1/1] hw_breakpoint.c :cpu hotplug handling
> 
> This patch adds support for CPU hotplug, It re-installl all installed watchpoints and breakpoints
> back on H/W in case of cpu-hot plug.

Not sure why this is needed -- the scheduler should reinstall the
breakpoints when the debugged task gets scheduled in via
arch_install_hw_breakpoint.

Will
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