From mboxrd@z Thu Jan 1 00:00:00 1970 Received: with ECARTIS (v1.0.0; list linux-mips); Tue, 16 Mar 2010 20:56:26 +0100 (CET) Received: from localhost.localdomain ([127.0.0.1]:50338 "EHLO h5.dl5rb.org.uk" rhost-flags-OK-OK-OK-FAIL) by eddie.linux-mips.org with ESMTP id S1492490Ab0CPT4W (ORCPT ); Tue, 16 Mar 2010 20:56:22 +0100 Received: from h5.dl5rb.org.uk (localhost.localdomain [127.0.0.1]) by h5.dl5rb.org.uk (8.14.3/8.14.3) with ESMTP id o2GJuKgw008382; Tue, 16 Mar 2010 20:56:20 +0100 Received: (from ralf@localhost) by h5.dl5rb.org.uk (8.14.3/8.14.3/Submit) id o2GJuKcS008381; Tue, 16 Mar 2010 20:56:20 +0100 Date: Tue, 16 Mar 2010 20:56:20 +0100 From: Ralf Baechle To: David Daney Cc: linux-mips@linux-mips.org Subject: Re: [PATCH 3/3] MIPS: Move signal trampolines off of the stack. Message-ID: <20100316195619.GF20160@linux-mips.org> References: <1266538385-29088-1-git-send-email-ddaney@caviumnetworks.com> <1266538385-29088-4-git-send-email-ddaney@caviumnetworks.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1266538385-29088-4-git-send-email-ddaney@caviumnetworks.com> User-Agent: Mutt/1.5.20 (2009-08-17) 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: 26246 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: ralf@linux-mips.org Precedence: bulk X-list: linux-mips On Thu, Feb 18, 2010 at 04:13:05PM -0800, David Daney wrote: > This is a follow on to the vdso patch. > > Since all processes now have signal trampolines permanently mapped, we > can use those instead of putting the trampoline on the stack and > invalidating the corresponding icache across all CPUs. We also get > rid of a bunch of ICACHE_REFILLS_WORKAROUND_WAR code. Thanks, applied. Ralf