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From: Vivek Goyal <vgoyal@redhat.com>
To: Prarit Bhargava <prarit@redhat.com>
Cc: Andi Kleen <ak@linux.intel.com>,
	hedi@sgi.com, Jonathan Corbet <corbet@lwn.net>,
	jbaron@akamai.com, kexec@lists.infradead.org,
	Rusty Russell <rusty@rustcorp.com.au>,
	linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org,
	Fabian Frederick <fabf@skynet.be>,
	isimatu.yasuaki@jp.fujitsu.com, "H. Peter Anvin" <hpa@zytor.com>,
	Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>,
	Andrew Morton <akpm@linux-foundation.org>,
	linux-api@vger.kernel.org
Subject: Re: [PATCH v6] kernel, add panic_on_warn
Date: Mon, 3 Nov 2014 10:21:16 -0500	[thread overview]
Message-ID: <20141103152116.GB22503@redhat.com> (raw)
In-Reply-To: <1415025143-4345-1-git-send-email-prarit@redhat.com>

On Mon, Nov 03, 2014 at 09:32:23AM -0500, Prarit Bhargava wrote:

[..]
> +
> +static int __init panic_on_warn_setup(char *s)
> +{
> +	/* Enabling this on a kdump kernel could cause a bogus panic. */
> +	if (!is_kdump_kernel())
> +		panic_on_warn = 1;

I think it would be better if we leave it to user space to remove
panic_on_warn from command line of second kernel.

Thanks
Vivek

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WARNING: multiple messages have this Message-ID (diff)
From: Vivek Goyal <vgoyal-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
To: Prarit Bhargava <prarit-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
Cc: Andi Kleen <ak-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>,
	hedi-sJ/iWh9BUns@public.gmane.org,
	Jonathan Corbet <corbet-T1hC0tSOHrs@public.gmane.org>,
	jbaron-JqFfY2XvxFXQT0dZR+AlfA@public.gmane.org,
	kexec-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org,
	Rusty Russell <rusty-8n+1lVoiYb80n/F98K4Iww@public.gmane.org>,
	linux-doc-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	Fabian Frederick <fabf-AgBVmzD5pcezQB+pC5nmwQ@public.gmane.org>,
	isimatu.yasuaki-+CUm20s59erQFUHtdCDX3A@public.gmane.org,
	"H. Peter Anvin" <hpa-YMNOUZJC4hwAvxtiuMwx3w@public.gmane.org>,
	Masami Hiramatsu
	<masami.hiramatsu.pt-FCd8Q96Dh0JBDgjK7y7TUQ@public.gmane.org>,
	Andrew Morton
	<akpm-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org>,
	linux-api-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: [PATCH v6] kernel, add panic_on_warn
Date: Mon, 3 Nov 2014 10:21:16 -0500	[thread overview]
Message-ID: <20141103152116.GB22503@redhat.com> (raw)
In-Reply-To: <1415025143-4345-1-git-send-email-prarit-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>

On Mon, Nov 03, 2014 at 09:32:23AM -0500, Prarit Bhargava wrote:

[..]
> +
> +static int __init panic_on_warn_setup(char *s)
> +{
> +	/* Enabling this on a kdump kernel could cause a bogus panic. */
> +	if (!is_kdump_kernel())
> +		panic_on_warn = 1;

I think it would be better if we leave it to user space to remove
panic_on_warn from command line of second kernel.

Thanks
Vivek

WARNING: multiple messages have this Message-ID (diff)
From: Vivek Goyal <vgoyal@redhat.com>
To: Prarit Bhargava <prarit@redhat.com>
Cc: linux-kernel@vger.kernel.org, Jonathan Corbet <corbet@lwn.net>,
	Andrew Morton <akpm@linux-foundation.org>,
	Rusty Russell <rusty@rustcorp.com.au>,
	"H. Peter Anvin" <hpa@zytor.com>, Andi Kleen <ak@linux.intel.com>,
	Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>,
	Fabian Frederick <fabf@skynet.be>,
	isimatu.yasuaki@jp.fujitsu.com, jbaron@akamai.com, hedi@sgi.com,
	linux-doc@vger.kernel.org, kexec@lists.infradead.org,
	linux-api@vger.kernel.org
Subject: Re: [PATCH v6] kernel, add panic_on_warn
Date: Mon, 3 Nov 2014 10:21:16 -0500	[thread overview]
Message-ID: <20141103152116.GB22503@redhat.com> (raw)
In-Reply-To: <1415025143-4345-1-git-send-email-prarit@redhat.com>

On Mon, Nov 03, 2014 at 09:32:23AM -0500, Prarit Bhargava wrote:

[..]
> +
> +static int __init panic_on_warn_setup(char *s)
> +{
> +	/* Enabling this on a kdump kernel could cause a bogus panic. */
> +	if (!is_kdump_kernel())
> +		panic_on_warn = 1;

I think it would be better if we leave it to user space to remove
panic_on_warn from command line of second kernel.

Thanks
Vivek

  reply	other threads:[~2014-11-03 15:21 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-11-03 14:32 [PATCH v6] kernel, add panic_on_warn Prarit Bhargava
2014-11-03 14:32 ` Prarit Bhargava
2014-11-03 14:32 ` Prarit Bhargava
2014-11-03 15:21 ` Vivek Goyal [this message]
2014-11-03 15:21   ` Vivek Goyal
2014-11-03 15:21   ` Vivek Goyal

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