linux-kernel - Re: [PATCH RFC 1/3] lightnvm: check mm before use

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: <5661622B.5030502@bjorling.me>
Date:	Fri, 4 Dec 2015 10:51:39 +0100
From:	Matias Bjørling <m@...rling.me>
To:	Wenwei Tao <ww.tao0320@...il.com>
Cc:	linux-block@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH RFC 1/3] lightnvm: check mm before use

> Is there any chance core can initialize IOs on device without register
> with a media manger ?
> In my understanding core cannot create target on device without a
> media manger, if core doesn't have a target how can core initialize
> IOs on these devices?  If I'm wrong about this, please correct me.
>

You're right. This is preparation patches for system blocks. The core 
gets features added to work with the device, before gennvm is 
initialized. For that case, no media manager will have been initialized, 
and we therefore can't call it.
--
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/