From mboxrd@z Thu Jan 1 00:00:00 1970 Received: with ECARTIS (v1.0.0; list linux-mips); Mon, 21 Mar 2005 20:34:54 +0000 (GMT) Received: from nevyn.them.org ([IPv6:::ffff:66.93.172.17]:12501 "EHLO nevyn.them.org") by linux-mips.org with ESMTP id ; Mon, 21 Mar 2005 20:34:39 +0000 Received: from drow by nevyn.them.org with local (Exim 4.50 #1 (Debian)) id 1DDTbp-0001qb-3N; Mon, 21 Mar 2005 15:34:45 -0500 Date: Mon, 21 Mar 2005 15:34:45 -0500 From: Daniel Jacobowitz To: ralf@linux-mips.org, linux-mips@linux-mips.org Subject: Re: NPTL support for the kernel Message-ID: <20050321203445.GA7082@nevyn.them.org> References: <20050316141151.GA23225@nevyn.them.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20050316141151.GA23225@nevyn.them.org> User-Agent: Mutt/1.5.6+20040907i Return-Path: X-Envelope-To: <"|/home/ecartis/ecartis -s linux-mips"> (uid 0) X-Orcpt: rfc822;linux-mips@linux-mips.org Original-Recipient: rfc822;linux-mips@linux-mips.org X-archive-position: 7488 X-ecartis-version: Ecartis v1.0.0 Sender: linux-mips-bounce@linux-mips.org Errors-to: linux-mips-bounce@linux-mips.org X-original-sender: dan@debian.org Precedence: bulk X-list: linux-mips On Wed, Mar 16, 2005 at 09:11:52AM -0500, Daniel Jacobowitz wrote: > Here's a kernel patch to enable NPTL support. This doesn't include Maciej's > uber-fast rdhwr emulation; I believe we ought to include both the fast and > slow paths, since the slow path will handle use of other destination > registers. Changes: > > - Clone takes five arguments, not four. Um, this bit is gross. > - New syscall sys_set_thread_area. Only glibc uses this. > - Emulation of the rdhwr instruction. This version is only loosely > based on the emulation on the malta branch; the major difference > is that I fixed ll/sc/rdhwr emulation in branch delay slots. > GCC 4.1 will generate rdhwr in branch delay slots in some > conditions. > - PTRACE_GET_THREAD_AREA support for GDB. Ping? -- Daniel Jacobowitz CodeSourcery, LLC