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=-2.1 required=3.0 tests=DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS,T_DKIM_INVALID, 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 75A9CC4321E for ; Mon, 10 Sep 2018 11:24:48 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 1BDCB2086E for ; Mon, 10 Sep 2018 11:24:48 +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="ky+pWNQv" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 1BDCB2086E 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-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728325AbeIJQSV (ORCPT ); Mon, 10 Sep 2018 12:18:21 -0400 Received: from bombadil.infradead.org ([198.137.202.133]:53514 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727269AbeIJQSV (ORCPT ); Mon, 10 Sep 2018 12:18:21 -0400 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=1MMOH2ALwC/omBErqjPDN4/uNe5vB+n/SJ0p/rc+f0g=; b=ky+pWNQvOnC0PONM/uBQwkWoG i+VAG+uBRArndNkVR5rrYuHQpyvnPVaGek3znAAC4JZYKaw8o3qrgaz7YAhAtMWhiE9WQESBS8KnO Xm0wk0nPANforbjpwCuURC5T4EMD6diwQK1PxvFxj6sby9zzlzhzdfdrIimGsAbfev5v8JNQd2nB3 JNQVmFfGD/fJ7UCYyrdwqh4u91tVhKKJDQZe3tMZql55fgS5Klhe1DVzqA/8c0AwwUU3pd6wlGjcb EnmnUoXPm2x2/cJ402wagqKKbfe9m/MV1s1WRuBcfV4m2UnrCv2PEbT2v+I4DnHzKzMagbe4Ke6WF auFchki+A==; Received: from hch by bombadil.infradead.org with local (Exim 4.90_1 #2 (Red Hat Linux)) id 1fzKJ9-0005bQ-CV; Mon, 10 Sep 2018 11:24:43 +0000 Date: Mon, 10 Sep 2018 04:24:43 -0700 From: Christoph Hellwig To: Atish Patra Cc: palmer@sifive.com, linux-riscv@lists.infradead.org, hch@infradead.org, anup@brainfault.org, mark.rutland@arm.com, Damien.LeMoal@wdc.com, jason@lakedaemon.net, ard.biesheuvel@linaro.org, marc.zyngier@arm.com, gregkh@linuxfoundation.org, dmitriy@oss-tech.org, linux-kernel@vger.kernel.org, jeremy.linton@arm.com, catalin.marinas@arm.com, tglx@linutronix.de Subject: Re: [PATCH v3 04/12] RISC-V: Disable preemption before enabling interrupts Message-ID: <20180910112443.GD12979@infradead.org> References: <1536221135-182613-1-git-send-email-atish.patra@wdc.com> <1536221135-182613-5-git-send-email-atish.patra@wdc.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1536221135-182613-5-git-send-email-atish.patra@wdc.com> User-Agent: Mutt/1.9.2 (2017-12-15) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Sep 06, 2018 at 01:05:27AM -0700, Atish Patra wrote: > Currently, irq is enabled before preemption disabling happens. > If the scheduler fired right here and cpu is scheduled then it > may blow up. > > Signed-off-by: Palmer Dabbelt > [Atish: Commit text and code comment formatting update] > Signed-off-by: Atish Patra Looks good, Reviewed-by: Christoph Hellwig