linux-kernel - Re: [PATCH RESEND] vgacon: remember scrollback buffer on console switch

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Message-ID: <20081029140056.GA1469@ucw.cz>
Date:	Wed, 29 Oct 2008 15:00:56 +0100
From:	Pavel Machek <pavel@...e.cz>
To:	Marcin Slusarz <marcin.slusarz@...il.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Antonino Daplas <adaplas@...il.com>,
	Krzysztof Helt <krzysztof.h1@...pl>,
	linux-fbdev-devel@...ts.sourceforge.net
Subject: Re: [PATCH RESEND] vgacon: remember scrollback buffer on console
	switch

Hi!

> > If so, it would be much much better to make this feature switchable at
> > runtime (module parameter/boot option or a /proc or /sys knob).
> 
> /sys knob seems to be the most flexible option.
> 
> /sys/class/vtconsole/vtconX/persistent_history? 0/1

0/number-of-lines-to-remember?
								Pavel

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