linux-kernel - Re: [uClinux-dev] Re: [PATCH 2/2] mtd/maps: uclinux: support Blackfin systems

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: <20090526232701.GC24644@securecomputing.com>
Date:	Wed, 27 May 2009 09:27:01 +1000
From:	David McCullough <David_Mccullough@...urecomputing.com>
To:	Paul Mundt <lethal@...ux-sh.org>,
	Mike Frysinger <vapier.adi@...il.com>,
	linux-kernel@...r.kernel.org,
	uclinux-dist-devel@...ckfin.uclinux.org,
	Greg Ungerer <gerg@...inux.org>, uclinux-dev@...inux.org,
	linux-mtd@...ts.infradead.org
Subject: Re: [uClinux-dev] Re: [PATCH 2/2] mtd/maps: uclinux: support
	Blackfin systems


Jivin Paul Mundt lays it down ...
> On Tue, May 26, 2009 at 01:24:46PM -0400, Mike Frysinger wrote:
> > On Tue, May 26, 2009 at 13:06, Paul Mundt wrote:
> > > Use the attached, and then just set uclinux_ram_map.phys = your_address_here
> > > in your setup_arch(). Having weak symbols in drivers that are supposed to
> > > be overriden by the architecture code is just way too backwards for
> > > words. Globals suffice fine for this sort of thing, if you are not going
> > > to go to the effort to pass this information to the driver directly that
> > > is.
> > 
> > i was thinking something else, but obviously this is nicer than what i
> > was thinking
> 
> Unfortunately there is the problem that the map driver itself is a
> tristate, so if this is built as a module, the symbol will not be
> available to you. On the other hand, if it doesn't need to ever really be
> a module, converting it to a bool ought to be workable. There are no
> in-tree users that enable this as a module anyways.

Based on how it relocates the rootfs,  I don't believe a module can ever
be work,  so a boolean would be a better choice IMO,

Cheers,
Davidm

-- 
David McCullough,  david_mccullough@...urecomputing.com,  Ph:+61 734352815
McAfee - SnapGear  http://www.snapgear.com                http://www.uCdot.org
--
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/