From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Mosberger Date: Wed, 26 Jan 2005 21:30:34 +0000 Subject: Re: syscall exit path optimization Message-Id: <16888.3066.620857.773456@napali.hpl.hp.com> List-Id: References: <200501262102.j0QL2Qg28166@unix-os.sc.intel.com> In-Reply-To: <200501262102.j0QL2Qg28166@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 I like the patch (it's quite clever!), except it would be nice if we could avoid the p8/p9 dependencies. Couldn't you restore r8/r10 after .work_pending is done in if pLvSys is TRUE? That way, .work_processed would simply preserve (save _and_ restore) r8/r10. My comments are based on reading the diff only, though, so perhaps I'm missing something. --david