linux-kernel - Re: [PATCH V2] mtd: block2mtd: Present block2mtd timely on boot time

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: <1415374224.22887.24.camel@sauron.fi.intel.com>
Date:	Fri, 07 Nov 2014 17:30:24 +0200
From:	Artem Bityutskiy <dedekind1@...il.com>
To:	Felix Fietkau <nbd@...nwrt.org>
Cc:	Brian Norris <computersforpeace@...il.com>,
	Rodrigo Freire <rfreire@...hat.com>,
	Jörn Engel <joern@...fs.org>,
	Herton Krzesinski <hkrzesin@...hat.com>,
	linux-kernel@...r.kernel.org, linux-mtd@...ts.infradead.org,
	dwmw2@...radead.org
Subject: Re: [PATCH V2] mtd: block2mtd: Present block2mtd timely on boot time

On Fri, 2014-11-07 at 16:20 +0100, Felix Fietkau wrote:
> > The only usage of this driver is emulating a block device on top of NOR
> > flash, and in most cases, only for debugging / research purposes. This
> > is because (a) this driver does not handle bad blocks (and hence,
> > NAND-incompatible) and (b) it does read-erase-write when you modify a
> > block, so it is extremely slow and does not handle power cuts at all.
> I think you got things mixed up a bit. This is not about emulating a
> block device on top of NOR flash. This is about emulating NOR flash on
> top of a regular block device - e.g. USB sticks, SD cards.

Gosh, I'm sorry, you are right. I did mix things up, please, ignore my
e-mail.

--
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/