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From: Chris Wright <chrisw@osdl.org>
To: Andi Kleen <ak@suse.de>
Cc: Chris Wright <chrisw@osdl.org>,
	zach@vmware.com, akpm@osdl.org, chrisl@vmware.com, hpa@zytor.com,
	Keir.Fraser@cl.cam.ac.uk, linux-kernel@vger.kernel.org,
	m+Ian.Pratt@cl.cam.ac.uk, mbligh@mbligh.org, pratap@vmware.com,
	virtualization@lists.osdl.org, zwame@arm.linux.org.uk
Subject: Re: [PATCH 1/14] i386 / Make write ldt return error code
Date: Tue, 16 Aug 2005 17:22:39 -0700	[thread overview]
Message-ID: <20050817002239.GW7762@shell0.pdx.osdl.net> (raw)
In-Reply-To: <20050817001226.GB3996@wotan.suse.de>

* Andi Kleen (ak@suse.de) wrote:
> On Tue, Aug 16, 2005 at 05:06:18PM -0700, Chris Wright wrote:
> > In this case the callers do propagate the error (unless you mean
> > userspace doesn't check return value from syscall, which is same problem
> > if copy_from_user failed, for example).  Xen has done some more wrapping
> 
> Nothing checks them in user space.
> 
> Also how would you handle them anyways? It just doesn't make sense.

Yes, I see your point, although copy_from_user failing has similar issue
if userspace isn't checking errors.  But this one is not critical.

thanks,
-chris

      reply	other threads:[~2005-08-17  0:22 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-08-11  4:52 zach
2005-08-11 12:57 ` Chris Wright
2005-08-16 23:43 ` Andi Kleen
2005-08-17  0:06   ` Chris Wright
2005-08-17  0:12     ` Andi Kleen
2005-08-17  0:22       ` Chris Wright [this message]

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