linux-kernel - Re: [PATCH] hvc_console: fix dropping of characters when output byte channel is full

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Date:	Tue, 14 Sep 2010 20:44:10 +0100
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Timur Tabi <timur@...escale.com>, linuxppc-dev@...abs.org,
	linux-kernel@...r.kernel.org, benh@...nel.crashing.org,
	kumar.gala@...escale.com, amit.shah@...hat.com
Subject: Re: [PATCH] hvc_console: fix dropping of characters when output
 byte channel is full

> Yes, hvc_push() reschedules.  It doesn't sit in a tight loop burning
> electrons!
> 
> Can we do something safer&smarter here?


Its a printk handler - better to lose the bytes than hang the box. I
think the current code is probably right.
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