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=-2.5 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,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 9D19FC43381 for ; Sat, 16 Feb 2019 10:32:53 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 5A25A222DD for ; Sat, 16 Feb 2019 10:32:53 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="fQDmbbvr" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 5A25A222DD Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=3Xjdr5S2g+EBqpNabcQmKzZo523Wn5jaIwkYhcyEnbs=; b=fQDmbbvrxc+FHW Va3oMAa612FWZThXz2kyeYJG8nVkEHhustDiH4jIE1fmP4ALVLHyGYPPnbm8lcLoiS3inRU7LiFs8 SD4IYaNntpMsxQhyMLOfDssq1vOykWw07EYwt4e2v16JRVBc1Sk+YjmlxDvQ+eMieXGMYDahzXspg 1RZeXCDqYUh5/0VtNcQhSZO5d5p1rvblqgjSj5Fp4aC2HjTi7jo01b6nxqUeIqPpO/QzGkWBKvX0U iyI3CQMDTCxmObikGFct5xBWwvR43WZQHBwJUr2k9QeUwCbUEsyNqgphCLYrgwT47uvtylJVPFK/B qtIuJkvm75bFH4/B8DjA==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1guxH9-0004H3-Cp; Sat, 16 Feb 2019 10:32:51 +0000 Received: from j217100.upc-j.chello.nl ([24.132.217.100] helo=hirez.programming.kicks-ass.net) by bombadil.infradead.org with esmtpsa (Exim 4.90_1 #2 (Red Hat Linux)) id 1guxH5-0004Gk-RH; Sat, 16 Feb 2019 10:32:48 +0000 Received: by hirez.programming.kicks-ass.net (Postfix, from userid 1000) id 28F3C201A4021; Sat, 16 Feb 2019 11:32:46 +0100 (CET) Date: Sat, 16 Feb 2019 11:32:46 +0100 From: Peter Zijlstra To: Linus Torvalds Subject: Re: [PATCH] sched/x86: Save [ER]FLAGS on context switch Message-ID: <20190216103246.GS32494@hirez.programming.kicks-ass.net> References: <20190213222146.GC32494@hirez.programming.kicks-ass.net> <20190214101429.GD32494@hirez.programming.kicks-ass.net> <20190214193432.GR32477@hirez.programming.kicks-ass.net> <20190215174034.GP32494@hirez.programming.kicks-ass.net> <20190215233414.GS32534@hirez.programming.kicks-ass.net> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.10.1 (2018-07-13) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Denys Vlasenko , Josh Poimboeuf , Julien Thierry , Brian Gerst , "H. Peter Anvin" , Will Deacon , Linux Kernel Mailing List , Andy Lutomirski , valentin.schneider@arm.com, Ingo Molnar , James Morse , Andy Lutomirski , Catalin Marinas , Borislav Petkov , Thomas Gleixner , Ingo Molnar , "linux-alpha@vger.kernel.org" Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Fri, Feb 15, 2019 at 04:21:46PM -0800, Linus Torvalds wrote: > Even just a comment about it would be fine. But it might also be good > to show that it's an explicit eflags value and just use > X86_EFLAGS_FIXED as the initializer. That is in fact what I have now; I'll repost on Monday or so. _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel 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=-2.3 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,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 A47A7C43381 for ; Sat, 16 Feb 2019 10:32:55 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 754DC222DD for ; Sat, 16 Feb 2019 10:32:55 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="phZcaNBP" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731516AbfBPKcx (ORCPT ); Sat, 16 Feb 2019 05:32:53 -0500 Received: from bombadil.infradead.org ([198.137.202.133]:51318 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726335AbfBPKcx (ORCPT ); Sat, 16 Feb 2019 05:32:53 -0500 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20170209; h=In-Reply-To:Content-Type:MIME-Version :References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id: List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=3EcQWiX/CRLDgctPl+JlYpV6742xtIDMvMxTk2IX8YU=; b=phZcaNBP+lNGP120uZQzYpq3t QlsGJOtUGAMpvpbCbGBLvTWZoXwuWL9Cs7lqF1H8+SvX5vs9aPjN7u7KgxCl/TjsIYLsbEGgd2Usn ciWi31zzjpjCyYNqmxTkqT8o/xNswqFQxrfaT+uzKt4vLdA3VNo/FA713SJpfp3sV1hjMv4iMbyUH v7TCr/xc0+kGYNZT9vSRC7fGJ/hBkeVDZM8WYa9oz+ii3oEgtrv65Ed3Gfy97dU7kqu1VkOIFT86G LT7zuKqel3s9uxsu3L1kLg4VqmcZBjZlef8qMspV812Jdi/f4S/XhZnTVT4h4Q/IcbC4zdZESbLSY EtxB2Dqnw==; Received: from j217100.upc-j.chello.nl ([24.132.217.100] helo=hirez.programming.kicks-ass.net) by bombadil.infradead.org with esmtpsa (Exim 4.90_1 #2 (Red Hat Linux)) id 1guxH5-0004Gk-RH; Sat, 16 Feb 2019 10:32:48 +0000 Received: by hirez.programming.kicks-ass.net (Postfix, from userid 1000) id 28F3C201A4021; Sat, 16 Feb 2019 11:32:46 +0100 (CET) Date: Sat, 16 Feb 2019 11:32:46 +0100 From: Peter Zijlstra To: Linus Torvalds Cc: Brian Gerst , Andy Lutomirski , Julien Thierry , Will Deacon , Ingo Molnar , Linux Kernel Mailing List , "linux-alpha@vger.kernel.org" , Ingo Molnar , Catalin Marinas , James Morse , "H. Peter Anvin" , valentin.schneider@arm.com, Josh Poimboeuf , Andy Lutomirski , Borislav Petkov , Denys Vlasenko , Thomas Gleixner Subject: Re: [PATCH] sched/x86: Save [ER]FLAGS on context switch Message-ID: <20190216103246.GS32494@hirez.programming.kicks-ass.net> References: <20190213222146.GC32494@hirez.programming.kicks-ass.net> <20190214101429.GD32494@hirez.programming.kicks-ass.net> <20190214193432.GR32477@hirez.programming.kicks-ass.net> <20190215174034.GP32494@hirez.programming.kicks-ass.net> <20190215233414.GS32534@hirez.programming.kicks-ass.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: 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 Fri, Feb 15, 2019 at 04:21:46PM -0800, Linus Torvalds wrote: > Even just a comment about it would be fine. But it might also be good > to show that it's an explicit eflags value and just use > X86_EFLAGS_FIXED as the initializer. That is in fact what I have now; I'll repost on Monday or so.