linux-kernel - Re: RFC: Device isolation infrastructure

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: <20111208013640.GK2395@x200.localdomain>
Date:	Wed, 7 Dec 2011 17:36:40 -0800
From:	Chris Wright <chrisw@...hat.com>
To:	Benjamin Herrenschmidt <benh@...nel.crashing.org>
Cc:	Chris Wright <chrisw@...hat.com>,
	Alex Williamson <alex.williamson@...hat.com>,
	David Gibson <dwg@....ibm.com>, joerg.roedel@....com,
	dwmw2@...radead.org, iommu@...ts.linux-foundation.org,
	aik@....ibm.com, linux-kernel@...r.kernel.org, agraf@...e.de,
	scottwood@...escale.com, B08248@...escale.com
Subject: Re: RFC: Device isolation infrastructure

* Benjamin Herrenschmidt (benh@...nel.crashing.org) wrote:
> On Wed, 2011-12-07 at 16:16 -0800, Chris Wright wrote:
> > Since users will want to drive devices, not groups, how would you
> > enumerate and expose devices here if the user visible construct
> > exposed is groups?
> 
> We do expose the individual devices in the group, which can then be used
> for things like mmap'ing of BARs etc...

Right, one of the areas that got sticky before, which is why I wondered
how you'd manage it.

> However, at least, the ownership transition is done on a whole group
> basis

Yeah, that makes sense.

thanks,
-chris
--
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/