linux-kernel - Re: [PATCH V4] kernel, add bug_on

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Date:	Tue, 28 Oct 2014 05:59:27 -0700
From:	Andi Kleen <ak@...ux.intel.com>
To:	Vivek Goyal <vgoyal@...hat.com>
Cc:	Prarit Bhargava <prarit@...hat.com>, linux-kernel@...r.kernel.org,
	Jonathan Corbet <corbet@....net>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Rusty Russell <rusty@...tcorp.com.au>,
	"H. Peter Anvin" <hpa@...or.com>,
	Masami Hiramatsu <masami.hiramatsu.pt@...achi.com>,
	Fabian Frederick <fabf@...net.be>,
	isimatu.yasuaki@...fujitsu.com, linux-doc@...r.kernel.org,
	kexec@...ts.infradead.org, linux-api@...r.kernel.org,
	jason.wessel@...driver.com
Subject: Re: [PATCH V4] kernel, add bug_on_warn

> > kdb="on, bp warn_slowpath_common sr c, go" 
> 
> So does it already work or proposal is to make something like this work
> with kdb?

It does not work today, the missing pieces are: 

- extending kdb= to execute a list of kdb commands
- extending bp to define a list of commands to execute

> 
> What about the case of enabling it post boot and using a /sys file for 
> that.

This would be another patch, add a sysfs file to run a list of kdb commands.

-Andi

-- 
ak@...ux.intel.com -- Speaking for myself only
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