From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9BE61C5ACC6 for ; Tue, 16 Oct 2018 20:25:46 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 4BBB221470 for ; Tue, 16 Oct 2018 20:25:46 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 4BBB221470 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=linutronix.de Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727005AbeJQERv (ORCPT ); Wed, 17 Oct 2018 00:17:51 -0400 Received: from Galois.linutronix.de ([146.0.238.70]:58826 "EHLO Galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726067AbeJQERu (ORCPT ); Wed, 17 Oct 2018 00:17:50 -0400 Received: from localhost ([127.0.0.1] helo=bazinga.breakpoint.cc) by Galois.linutronix.de with esmtp (Exim 4.80) (envelope-from ) id 1gCVuP-0006PK-CQ; Tue, 16 Oct 2018 22:25:41 +0200 From: Sebastian Andrzej Siewior To: linux-kernel@vger.kernel.org Cc: x86@kernel.org, Dave Hansen , Andy Lutomirski , Peter Zijlstra , Borislav Petkov Subject: [0/3] A few 32bit x86 fixes Date: Tue, 16 Oct 2018 22:25:22 +0200 Message-Id: <20181016202525.29437-1-bigeasy@linutronix.de> X-Mailer: git-send-email 2.19.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org I wanted to get rid of fpu->initialized but I did not understand the FPU EMU code. So I decided to enable it and see how it works. Turns out it doesn't work. While #3 fixes this I propose the removal of it since probably nobody is using it. While at, we could also remove the 32bit x86 code since it makes things way more complicated. Anyway, I tried fma() in userland and it worked. The only thing that popped was not related to FPU and is addressed in #1. Sebastian