linux-kernel - Re: [PATCH v3 2/2] sg_io: introduce unpriv

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Message-ID: <20121113173834.GB19014@mtj.dyndns.org>
Date:	Tue, 13 Nov 2012 09:38:34 -0800
From:	Tejun Heo <tj@...nel.org>
To:	Paolo Bonzini <pbonzini@...hat.com>
Cc:	linux-kernel@...r.kernel.org, linux-scsi@...r.kernel.org,
	Alan Cox <alan@...rguk.ukuu.org.uk>,
	James Bottomley <James.Bottomley@...senPartnership.com>,
	Jens Axboe <axboe@...nel.dk>, Ric Wheeler <rwheeler@...hat.com>
Subject: Re: [PATCH v3 2/2] sg_io: introduce unpriv_sgio queue flag

On Tue, Nov 13, 2012 at 06:25:13PM +0100, Paolo Bonzini wrote:
> This queue flag will let unprivileged users send any SG_IO command to the
> device, without any filtering.  This makes it possible to run a program
> where you want to access the full range of SCSI commands, while still
> running as confined as possible.  With this patch, such a program will
> not need the CAP_SYS_RAWIO capability anymore, and will also not be
> able to send SCSI commands to a partition (which would affect the full
> disk).
> 
> Cc: linux-scsi@...r.kernel.org
> Cc: Alan Cox <alan@...rguk.ukuu.org.uk>
> Cc: James Bottomley <James.Bottomley@...senPartnership.com>
> Cc: Jens Axboe <axboe@...nel.dk>
> Cc: Ric Wheeler <rwheeler@...hat.com>
> Cc: Tejun Heo <tj@...nel.org>
> Signed-off-by: Paolo Bonzini <pbonzini@...hat.com>

Acked-by: Tejun Heo <tj@...nel.org>

Thanks.

-- 
tejun
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