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=1.3 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FSL_HELO_FAKE,MAILING_LIST_MULTI,SPF_PASS, USER_AGENT_MUTT autolearn=no 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 73CAFC282C2 for ; Wed, 13 Feb 2019 08:21:57 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 3EA8B222BB for ; Wed, 13 Feb 2019 08:21:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1550046117; bh=ucpUIGLfvZudHfak4ac2wjOCoDPxELcKGWuGNLDkVV0=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=2nAuJj+LowtAc7TehAyqLBxQUeGkI7aSF6he4LXG1dVj61HkOxsQn0bqJpsop0Jue c9NcPMZ8icsOLAp2llygvJsiYzErRA1OtaT+UXbmR+aInsR8Cqts+5VG1ZPpH9jkBw g4Pa/VyuuuRaFf7pWycYTmfsJ9GuW8TfFdECUUvE= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2390595AbfBMIVz (ORCPT ); Wed, 13 Feb 2019 03:21:55 -0500 Received: from mail-wr1-f65.google.com ([209.85.221.65]:37745 "EHLO mail-wr1-f65.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2387986AbfBMIVz (ORCPT ); Wed, 13 Feb 2019 03:21:55 -0500 Received: by mail-wr1-f65.google.com with SMTP id c8so1426350wrs.4 for ; Wed, 13 Feb 2019 00:21:54 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=sender:date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=OP1OccV571tuh3QSGB4f69ZRaeS/Vq+cIRqqhx3Knhw=; b=C+RTdKtVwJW4ufQjVmHZ5hACH3WjYlv8ZEJ3kGThVSgx+bQMCls+gLCCKQXGzW+GZH ZJF/FPkHLiwlNVx0MFxF/tpoZcHxcYxkJ+IsGEzZ1KSJlDvK37KIq28q4H0wlrTakH97 /2gnj65LEO8975uU22MmlOlCKR9xgGsVtXIJKA0YxyjL9d8senBOPpvj671y0eZBVlOq 1hsyE0CbDWhsnexGmiXGaqASJHph3Y+pdYSVEw9K3P9b+wKrsgkYQUW9IwU3UBeNqHFN AlCL1Zc2i9CZCG13tpaTv2K2+/jCNrwgk/6C0OBchboI5cOnUxVlAJTRMTANXhAYLEdP NGdw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:date:from:to:cc:subject:message-id :references:mime-version:content-disposition:in-reply-to:user-agent; bh=OP1OccV571tuh3QSGB4f69ZRaeS/Vq+cIRqqhx3Knhw=; b=AAde9/KUBB45QDLx46PMfnAeD0tA+UuDmwT8JEUfgGwBltmbxbQDEPQL6ZJ6d1gnur EhOGAj4luuFNkm6QGrkGfBDv6sxTaSuSd2Df1VB3UvG/EU/8DnKkmrYQll230bFp32qU ejjnBN2JzVreRzKhYV2/baBE/Id0AKwOajHyW9n2UKEC2WB2q3Xc2t4tEng8Mw+t9Muw 1DVKgUFOZAn1j+O7JGHA+8dZDQ2qQu7D1Dq+dPi+XRTehh787/9MxvAm5LbmjPeDgrNy z+C/isjJYpBDNmEE0qZSMJsG9GTi1ccDsWAIE2fKu6icLIIAlb8QSvWTSGaJJE4B2rj3 1iYA== X-Gm-Message-State: AHQUAuZl6L/ZrdRxffmzgKGob1bjovOdp4UjTsPxahz1lraulMoQNIBM etscgzg3xhfWzGF0LSFEKbA= X-Google-Smtp-Source: AHgI3IYXEgkxWzm0pHd6UslqLXP0PacBc7qfraB4ipE7T2v2FPgavLd+ZmYzew/bsu1YYAVUVjXpPg== X-Received: by 2002:adf:f4c8:: with SMTP id h8mr6458431wrp.6.1550046113810; Wed, 13 Feb 2019 00:21:53 -0800 (PST) Received: from gmail.com (2E8B0CD5.catv.pool.telekom.hu. [46.139.12.213]) by smtp.gmail.com with ESMTPSA id x18sm11372256wrw.61.2019.02.13.00.21.52 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Wed, 13 Feb 2019 00:21:53 -0800 (PST) Date: Wed, 13 Feb 2019 09:21:50 +0100 From: Ingo Molnar To: Julien Thierry Cc: Peter Zijlstra , linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, mingo@redhat.com, catalin.marinas@arm.com, will.deacon@arm.com, james.morse@arm.com, hpa@zytor.com, valentin.schneider@arm.com Subject: Re: [PATCH v3 3/4] uaccess: Check no rescheduling function is called in unsafe region Message-ID: <20190213082150.GA57916@gmail.com> References: <1547560709-56207-1-git-send-email-julien.thierry@arm.com> <1547560709-56207-4-git-send-email-julien.thierry@arm.com> <20190211134527.GA121589@gmail.com> <20190211135159.GC32511@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/1.9.4 (2018-02-28) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org * Julien Thierry wrote: > I guess I'll drop the might_resched() part of this patch if that sounds > alright. That sounds perfect - that bit was pretty much the only problem I had with the series. Thanks, Ingo