Received: by 2002:a05:6a10:a852:0:0:0:0 with SMTP id d18csp3175231pxy; Mon, 3 May 2021 17:32:34 -0700 (PDT) X-Google-Smtp-Source: ABdhPJwCNLZfGS+lljiXEuOraCvqd8Q9AjZQRzjUF7VVrjlAnHD6We4Mr/CLviMI1RLWGzVPGUU3 X-Received: by 2002:aa7:dc17:: with SMTP id b23mr5900804edu.359.1620088354102; Mon, 03 May 2021 17:32:34 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1620088354; cv=none; d=google.com; s=arc-20160816; b=TP4KkNRk0EA0BgS6xVKDNSGKO/kYpVQcc+3nQUDAgCWfK8aOPzabLSF/b3TAnJUosP cNj3B6YQjLwCQjvJaBnSwCdvdGkDsOsi4+QzEeMshcvIpHK1eo7tPCWWUWz18MNMZ50O mDA7n+9CFPL/HcQOZn+szaWtYcjvuckekl8IspVeC37tmA8p0NuVmDugCYV9/jEG4up1 AsAmuRqN4e58fJoXKDPVQflPTS9aXIc874cUXCgDYORb8DZJNTKf+xWvXU7jjR2E0xML ZuNThEMEwfcKVBhP/2lzcOQM96Obc2k3kW0d6vdp2puFQ8ozt+OhDEpIZtIMgCiGn2He ut9Q== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:in-reply-to:content-disposition :mime-version:references:message-id:subject:cc:to:from:date; bh=ItXYrfYcNmS01KQMwfYLj7o7JQdksYC4Iyok/5Pc8Wg=; b=ll1STj0CWFpZwpeGbkvCMBDXgF5uAK7Hc8Oa1MxMWs42KmhoutjUuYTwCEuGCHsFgv MF9SSLBq2Z6hNBWGClPkx5wYqPYt8q1IJXXcd5VYAU0SXsKAWk16pavkJNCirGJrk6+7 egAKPIWbCydK/UjihF76dVzusI+XJKLsVReU5biuA5GvLqOEyKiFug/CJhaKBFt2nlmU cbiCP9Q5xOV4plymH2BP8wqtr9t9DBgBvPmLNf5uhfjL8mwaYQk7TB7P4Lpg22tqlpy3 jkctYv3LcaStIU/MdduizfFzy4f1JhWwlKJQmodU1PxUvIbzNbfoXoos4OkQ3DXmuqFz 8vsQ== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id l33si10959781ede.161.2021.05.03.17.32.10; Mon, 03 May 2021 17:32:34 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229610AbhEDAcO (ORCPT + 99 others); Mon, 3 May 2021 20:32:14 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42744 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229497AbhEDAcN (ORCPT ); Mon, 3 May 2021 20:32:13 -0400 Received: from zeniv-ca.linux.org.uk (zeniv-ca.linux.org.uk [IPv6:2607:5300:60:148a::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 858C8C061574 for ; Mon, 3 May 2021 17:31:19 -0700 (PDT) Received: from viro by zeniv-ca.linux.org.uk with local (Exim 4.94 #2 (Red Hat Linux)) id 1ldixx-00AouL-2g; Tue, 04 May 2021 00:31:09 +0000 Date: Tue, 4 May 2021 00:31:09 +0000 From: Al Viro To: Josh Poimboeuf Cc: x86@kernel.org, linux-kernel@vger.kernel.org, Linus Torvalds , Will Deacon , Dan Williams , Andrea Arcangeli , Waiman Long , Peter Zijlstra , Thomas Gleixner , Andrew Cooper , Andy Lutomirski , Christoph Hellwig , David Laight , Mark Rutland Subject: Re: [PATCH v3] x86/uaccess: Use pointer masking to limit uaccess speculation Message-ID: References: <1d06ed6485b66b9f674900368b63d7ef79f666ca.1599756789.git.jpoimboe@redhat.com> <20200914195354.yghlqlwtqz7mqteb@treble> <20200923033848.GD3421308@ZenIV.linux.org.uk> <20210503233154.lhumcispdgj5dgaz@treble> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210503233154.lhumcispdgj5dgaz@treble> Sender: Al Viro Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, May 03, 2021 at 06:31:54PM -0500, Josh Poimboeuf wrote: > On Wed, Sep 23, 2020 at 04:38:48AM +0100, Al Viro wrote: > > On Mon, Sep 14, 2020 at 02:53:54PM -0500, Josh Poimboeuf wrote: > > > Al, > > > > > > This depends on Christoph's set_fs() removal patches. Would you be > > > willing to take this in your tree? > > > > in #uaccess.x86 and #for-next > > Hm, I think this got dropped somehow. Will repost. Ow... #uaccess.x86 got dropped from -next at some point, mea culpa. What I have is b4674e334bb4; it's 5.8-based (well, 5.9-rc1). It missed post-5.9 merge window and got lost. Could you rebase to to more or less current tree and repost?