linux-kernel - Re: [PATCH] hvc_dcc : add support to armv4 and armv5 core

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20120831103351.GE18957@n2100.arm.linux.org.uk>
Date:	Fri, 31 Aug 2012 11:33:51 +0100
From:	Russell King - ARM Linux <linux@....linux.org.uk>
To:	Matthieu CASTET <matthieu.castet@...rot.com>
Cc:	Alan Cox <alan@...rguk.ukuu.org.uk>,
	"arnd@...db.de" <arnd@...db.de>, "gregkh@...e.de" <gregkh@...e.de>,
	"sboyd@...eaurora.org" <sboyd@...eaurora.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Matthieu CASTET <castet.matthieu@...e.fr>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH] hvc_dcc : add support to armv4 and armv5 core

On Fri, Aug 31, 2012 at 12:29:04PM +0200, Matthieu CASTET wrote:
> Alan Cox a écrit :
> > On Fri, 31 Aug 2012 11:21:56 +0200
> > Matthieu CASTET <castet.matthieu@...e.fr> wrote:
> > 
> >> Signed-off-by: Matthieu Castet <matthieu.castet@...rot.com>
> >> ---
> >>  drivers/tty/hvc/hvc_dcc.c |   34 ++++++++++++++++++++++++++++++++++
> >>  1 file changed, 34 insertions(+)
> > 
> > This is a step in the wrong direction. This should all be runtime handled
> > 
> > NAK.
> > 
> 
> AFAIK you can't build a arm kernel that support arm6/armv7 and armv5.
> And I am not sure it will be possible one day.

There are no plans to ever make it possible; there are too many significant
differences between ARMv4, v5 architectures and ARMv6,v7 architectures
to warrant making this runtime selectable.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/