linux-kernel - Re: [fuse-devel] [PATCH 5/7] FUSE: implement ioctl support

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]

Date:	Fri, 29 Aug 2008 13:54:48 +0200
From:	Tejun Heo <tj@...nel.org>
To:	Roger Willcocks <roger@...mlight.ltd.uk>
CC:	Miklos Szeredi <miklos@...redi.hu>,
	fuse-devel@...ts.sourceforge.net, greg@...ah.com,
	linux-kernel@...r.kernel.org
Subject: Re: [fuse-devel] [PATCH 5/7] FUSE: implement ioctl support

Roger Willcocks wrote:
> One thing to bear in mind is the possibility of 32-bit client programs
> running on a 64-bit platform, so your user-space driver will need be be
> aware of the flavour of the client, and parse the ioctl arguments (and
> in particular, pointers) appropriately.
> 
> That's true of a kernel implementation too, of course.

Yeap, for 32bit client on 64bit machine, FUSE_IOCTL_COMPAT will be set.
 For OSS emulation, it doesn't make any difference tho.  It's the same
for both word sizes.

Thanks.

-- 
tejun
--
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/