From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757674AbcASJWk (ORCPT ); Tue, 19 Jan 2016 04:22:40 -0500 Received: from mx2.suse.de ([195.135.220.15]:36881 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757361AbcASJWi (ORCPT ); Tue, 19 Jan 2016 04:22:38 -0500 Date: Tue, 19 Jan 2016 10:22:13 +0100 From: Borislav Petkov To: "H. Peter Anvin" Cc: Brian Gerst , the arch/x86 maintainers , Linux Kernel Mailing List , Ingo Molnar , Denys Vlasenko , Andy Lutomirski , Linus Torvalds Subject: Re: [PATCH] x86: static_cpu_has_safe: discard dynamic check after init Message-ID: <20160119092213.GA15071@pd.tnic> References: <1452972124-7380-1-git-send-email-brgerst@gmail.com> <20160116193658.GC32085@pd.tnic> <20160117103337.GC8549@pd.tnic> <20160118181457.GG12651@pd.tnic> <20160118185107.GI12651@pd.tnic> <20160119011026.GA12911@pd.tnic> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: User-Agent: Mutt/1.5.24 (2015-08-30) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Jan 18, 2016 at 05:33:03PM -0800, H. Peter Anvin wrote: > Why the f do we call a subroutine for what amounts to a single bt or > test instruction? No real reason. You can kick me when you see me next time: 4a90a99c4f80 ("x86: Add a static_cpu_has_safe variant") :-) -- Regards/Gruss, Boris. SUSE Linux GmbH, GF: Felix Imendörffer, Jane Smithard, Graham Norton, HRB 21284 (AG Nürnberg) --