linux-kernel - Re: [PATCH] panic: keep blinking in spite of long spin timer mode

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Message-ID: <20100530065522.GA14556@basil.fritz.box>
Date:	Sun, 30 May 2010 08:55:22 +0200
From:	Andi Kleen <andi@...stfloor.org>
To:	TAMUKI Shoichi <tamuki@...et.gr.jp>
Cc:	Andi Kleen <andi@...stfloor.org>, Ingo Molnar <mingo@...e.hu>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Anton Blanchard <anton@...ba.org>,
	Andy Green <andy@...mcat.com>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] panic: keep blinking in spite of long spin timer mode

> Therefore, I changed to call panic_blink_enter() between every mdelay.
> The default time calls to mdelay is 1ms.  If the kernel parameter
> panic_longspin is set to true, it will be switched to 240ms and the
> maximum speed of blinking will be automatically limited slower due to
> the granularity of the blinking time.

Thanks for this explanation, makes all sense. 
But should do these changes by default then, not with a parameter.

Changing the frequency is ok, the only requirement is that it is
visible and different from the frequency kdb uses.

-Andi
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