linux-kernel - Re: [PATCH v3 4/6] arm: add early

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: <20140110165847.GG925@arm.com>
Date:	Fri, 10 Jan 2014 16:58:47 +0000
From:	Catalin Marinas <catalin.marinas@....com>
To:	Rob Herring <robherring2@...il.com>
Cc:	"msalter@...hat.com" <msalter@...hat.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Russell King <linux@....linux.org.uk>,
	Arnd Bergmann <arnd@...db.de>,
	Will Deacon <Will.Deacon@....com>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH v3 4/6] arm: add early_ioremap support

On Fri, Jan 10, 2014 at 04:11:03PM +0000, Rob Herring wrote:
> On Thu, Jan 9, 2014 at 9:50 PM, Mark Salter <msalter@...hat.com> wrote:
> > This patch uses the generic early_ioremap code to implement
> > early_ioremap for ARM. The ARM-specific bits come mostly from
> > an earlier patch from Leif Lindholm <leif.lindholm@...aro.org>
> > here:
> >
> >   https://lkml.org/lkml/2013/10/3/279
> 
> I think this will be useful to implement an arm64 style earlycon for
> arm as the current DEBUG_LL doesn't really work with multi-platform
> kernels. I started on this and quickly realized I needed the fixmap
> support.

It would be even better if you can make it more generic
(drivers/tty/serial/) and keep DEBUG_LL as a specialised case for
arch/arm (when !multi-platform).

-- 
Catalin
--
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/