linux-kernel - Re: [PATCH] vt_buffer: drop console buffer copying optimisations

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Message-ID: <20150209201721.528ce9b7@lxorguk.ukuu.org.uk>
Date:	Mon, 9 Feb 2015 20:17:21 +0000
From:	One Thousand Gnomes <gnomes@...rguk.ukuu.org.uk>
To:	Daniel Stone <daniel@...ishbar.org>
Cc:	Geert Uytterhoeven <geert@...ux-m68k.org>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Tomi Valkeinen <tomi.valkeinen@...com>, dri-devel@...ts.sf.net,
	Dave Airlie <airlied@...hat.com>,
	Linus Torvalds <torvalds@...ux-foundation.org>
Subject: Re: [PATCH] vt_buffer: drop console buffer copying optimisations

On Mon, 9 Feb 2015 11:00:55 +0000
Daniel Stone <daniel@...ishbar.org> wrote:

> On 9 February 2015 at 10:49, Geert Uytterhoeven <geert@...ux-m68k.org> wrote:
> > On Mon, Feb 9, 2015 at 11:35 AM, Daniel Stone <daniel@...ishbar.org> wrote:
> >> On 5 February 2015 at 11:35, One Thousand Gnomes
> >> <gnomes@...rguk.ukuu.org.uk> wrote:
> >>> #if defined (CONFIG_SUPPORT_SHITE_VGA_ADAPTERS)
> >>>
> >>> #endif
> >>>
> >>> around that and its sorted as an option everyone can leave off but the
> >>> afflicted.
> >>
> >> Well, given all the distros will enable that, might as well be #if
> >> !defined(CONFIG_BREAK_SOME_HARDWARE_BUT_VGA_SCROLLING_WILL_BE_IMMEASURABLY_FASTER).
> >
> > All distros on 1 out of 29 architectures?
> 
> It's a fairly popular architecture.

I imagine most distros wouldn't enable it even on x86. It's an incredibly
obscure setup from the evidence of how long it took to get reported.

Most distributions don't support non PAE processors and other far more
common things 8)

Alan

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