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

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Message-ID: <48B6F7C5.3020204@kernel.org>
Date:	Thu, 28 Aug 2008 12:08:53 -0700
From:	"H. Peter Anvin" <hpa@...nel.org>
To:	Tejun Heo <tj@...nel.org>
CC:	fuse-devel@...ts.sourceforge.net, miklos@...redi.hu,
	greg@...ah.com, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 5/7] FUSE: implement ioctl support

Tejun Heo wrote:
> 
> Ah.... funky.  If this retry thing is too repulsive, I guess the best
> alternative would be directly accessing caller's memory as Miklos suggested.
> 

Be careful -- there are some serious dragons there in the presence of 
multiple threads.

	-hpa
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