From mboxrd@z Thu Jan 1 00:00:00 1970 From: "H. Peter Anvin" Subject: Re: [PATCH RFC 1/5] scripts: Add sortextable to sort the kernel's exception table. Date: Sun, 20 Nov 2011 15:26:15 -0800 Message-ID: <4EC98C97.50604@kernel.org> References: <1321645068-20475-1-git-send-email-ddaney.cavm@gmail.com> <1321645068-20475-2-git-send-email-ddaney.cavm@gmail.com> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1321645068-20475-2-git-send-email-ddaney.cavm@gmail.com> Sender: linux-arch-owner@vger.kernel.org List-ID: Content-Type: text/plain; charset="us-ascii" To: David Daney Cc: linux-mips@linux-mips.org, ralf@linux-mips.org, linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org, linux-embedded@vger.kernel.org, x86@kernel.org, David Daney On 11/18/2011 11:37 AM, David Daney wrote: > From: David Daney > > Using this build-time sort saves time booting as we don't have to burn > cycles sorting the exception table. > If we're going to do this at build time, I would suggest using a collisionless hash instead. The lookup time for those are O(1), but they definitely need to be done at build time. -hpa