From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Chen, Kenneth W" Date: Wed, 07 Sep 2005 02:11:08 +0000 Subject: RE: [patch] make exception handler in copy_user more robust Message-Id: <200509070211.j872Bng21886@unix-os.sc.intel.com> List-Id: References: <200509062306.j86N64g19803@unix-os.sc.intel.com> In-Reply-To: <200509062306.j86N64g19803@unix-os.sc.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-ia64@vger.kernel.org david mosberger wrote on Tuesday, September 06, 2005 7:08 PM > On 9/6/05, Chen, Kenneth W wrote: > > > Does anyone need precise partial copy_user, > > meaning copy all the bytes up until faulting address? > > Yes, I'm pretty sure that's the case. I recall seeing problems with > mount option copying when copy_user doesn't give the exact number of > bytes that haven't been copied. OK, in that case, we won't be able to simplify too much code in the exception handler. Good for me :-p - Ken