From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mario Smarduch Date: Fri, 26 Sep 2003 16:57:41 +0000 Subject: Re: vhpt_miss handler question? Message-Id: List-Id: References: In-Reply-To: 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 Fri, 26 Sep 2003 09:43:55 -0500, Mario Smarduch said: > > Mario> Some work I'm doing has taken me to the vhpt_miss > Mario> handler. I've been looking at the following snippet just > Mario> wondering what happens in the case where the present bit is 0 > Mario> and p10,p11 predicates are not set anotherwords they retain > Mario> their application values. Would this not cause an errant > Mario> insertion if either p10 or p11 were true in the application > Mario> prior to the VHPT handler? > > Mario> (p7) tbit.nz.unc p10,p11=r19,32 > > Did you miss the .unc qualifier on that instruction? It causes p10 and > p11 to be set to FALSE when p7 is FALSE. > > --david I see! I guess I didn't fully understand what Keith wrote. - Mario.