linux-kernel - Re: [PATCH 11/31] Add debugger entry points for ARC

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Message-ID: <CAO6TR8XCfoMkw4y0D11r-+NXRJR6e0Yg=rsQShdw=Qou-iwGaQ@mail.gmail.com>
Date:	Mon, 1 Feb 2016 09:04:33 -0700
From:	Jeff Merkey <linux.mdb@...il.com>
To:	Vineet Gupta <Vineet.Gupta1@...opsys.com>
Cc:	Jeffrey Merkey <jeffmerkey@...il.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-snps-arc@...ts.infradead.org" 
	<linux-snps-arc@...ts.infradead.org>
Subject: Re: [PATCH 11/31] Add debugger entry points for ARC

On 2/1/16, Vineet Gupta <Vineet.Gupta1@...opsys.com> wrote:
> On Friday 29 January 2016 01:16 AM, Jeffrey Merkey wrote:
>> This patch series adds an export which can be set by system debuggers to
>> direct the hard lockup and soft lockup detector to trigger a breakpoint
>> exception and enter a debugger if one is active.  It is assumed that if
>> someone sets this variable, then an breakpoint handler of some sort will
>> be actively loaded or registered via the notify die handler chain.
>>
>> This addition is extremely useful for debugging hard and soft lockups
>> real time and quickly from a console debugger.
>>
>> Signed-off-by: Jeffrey Merkey <jeffmerkey@...il.com>
>
> To reduce duplication, maybe later this could be used to replace
> arch_kgdb_breakpoint()
>
> Acked-by: Vineet Gupta <vgupta@...opsys.com>
>

You can drop this patch series, I am rethinking a better way to do this.

Jeff