From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Chen, Kenneth W" Date: Fri, 03 Feb 2006 18:30:37 +0000 Subject: RE: ia64 printk_clock() Message-Id: <200602031830.k13IUbg19769@unix-os.sc.intel.com> List-Id: References: <20060202204422.GA27082@sgi.com> In-Reply-To: <20060202204422.GA27082@sgi.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-ia64@vger.kernel.org Luck, Tony wrote on Friday, February 03, 2006 10:04 AM > [1] http://tinyurl.com/ah642 Ha, should've check the archive :-) Now that I read the whole thread, how about remove pining DTR requirement for per-cpu data? In alt_dtlb_miss, we can just detect whether ifa is per_cpu address and read ar.k3 to get the physical address, then insert a TC. That will free up a tlb entry for application to use. - Ken