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=-7.6 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,SPF_PASS,USER_AGENT_MUTT 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 2067BC43441 for ; Mon, 19 Nov 2018 17:41:42 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id DC8412145D for ; Mon, 19 Nov 2018 17:41:41 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=alien8.de header.i=@alien8.de header.b="ft+I/XTt" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org DC8412145D Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=alien8.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 S2389820AbeKTEGI (ORCPT ); Mon, 19 Nov 2018 23:06:08 -0500 Received: from mail.skyhub.de ([5.9.137.197]:55216 "EHLO mail.skyhub.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2389109AbeKTEGI (ORCPT ); Mon, 19 Nov 2018 23:06:08 -0500 Received: from zn.tnic (p200300EC2BE2B700F95221CD056129B8.dip0.t-ipconnect.de [IPv6:2003:ec:2be2:b700:f952:21cd:561:29b8]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.skyhub.de (SuperMail on ZX Spectrum 128k) with ESMTPSA id B66C21EC00E5; Mon, 19 Nov 2018 18:41:38 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=alien8.de; s=dkim; t=1542649298; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:in-reply-to:in-reply-to: references:references; bh=SzPk3nirBxLx3bpqkoW94mXLdqj+soOuyRBqf9cjLno=; b=ft+I/XTtOOnOHGWljO5TAV+uQ3CHlCFcNLge4sSrHVEo8nDEsoKqc6hZ7JTltIS1Q2RVHx Zd9JxjK/M8/YzjgCxSB3rBwroSuabt/ZmCOfNRSs6G7a3gev03G0pFMwq4V0WJYQKj2cfQ GtBAeOGs4b20GCd2Ecf76VirwUJm+S8= Date: Mon, 19 Nov 2018 18:41:38 +0100 From: Borislav Petkov To: Sebastian Andrzej Siewior Cc: Dave Hansen , x86@kernel.org, Ingo Molnar , linux-kernel@vger.kernel.org, Andy Lutomirski , Paolo Bonzini , Radim =?utf-8?B?S3LEjW3DocWZ?= , kvm@vger.kernel.org, "Jason A. Donenfeld" , Rik van Riel , Dave Hansen Subject: Re: [PATCH v2] x86/fpu: Disable BH while while loading FPU registers in __fpu__restore_sig() Message-ID: <20181119174138.GG14688@zn.tnic> References: <20181119160410.ne7oiq2gkwt6jiqg@linutronix.de> <20181119171128.2lxnhga3pym2zlok@linutronix.de> <20181119172743.GE14688@zn.tnic> <20181119173135.sqxemqwfpuzszyfb@linutronix.de> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20181119173135.sqxemqwfpuzszyfb@linutronix.de> User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Nov 19, 2018 at 06:31:36PM +0100, Sebastian Andrzej Siewior wrote: > I though about __fpregs_changes_begin() in the last patch of the commit: > https://git.kernel.org/pub/scm/linux/kernel/git/bigeasy/staging.git/commit/?h=x86_fpu_rtu_v4 Also a good spot - api.h talks about preemption already so sure, why not. Thx. -- Regards/Gruss, Boris. Good mailing practices for 400: avoid top-posting and trim the reply.