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[23.128.96.18]) by mx.google.com with ESMTP id 35si1185639pgy.459.2021.05.03.16.32.36; Mon, 03 May 2021 16:32:49 -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; dkim=pass header.i=@redhat.com header.s=mimecast20190719 header.b="IJNmxB/4"; 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; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=redhat.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229980AbhECXc7 (ORCPT + 99 others); Mon, 3 May 2021 19:32:59 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]:48627 "EHLO us-smtp-delivery-124.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229948AbhECXc6 (ORCPT ); Mon, 3 May 2021 19:32:58 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1620084724; 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: in-reply-to:in-reply-to:references:references; bh=j/f3+B4CU9YMYTXz4OiA6lfkrhjlWRJ5BGOH+u8U4PA=; b=IJNmxB/4jBa9MZdOEw9Fi4LxqQjwUm3JPinfMwtYVc0+QARmuAvzAM4P+DFss708eaSrIx 5l1aM6dQZDSXVixX9z9WrrckNPVf7kl0VPjvNvvZTm6SMAdbHvoJtQaKtHbwuWKUSqtDVX 3C2HR248Tm1dTzNpQUigu3VuiTseuVc= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-372-H1OBOYaSN9KXbRtPs9kYLw-1; Mon, 03 May 2021 19:32:02 -0400 X-MC-Unique: H1OBOYaSN9KXbRtPs9kYLw-1 Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 306906D241; Mon, 3 May 2021 23:32:00 +0000 (UTC) Received: from treble (ovpn-115-93.rdu2.redhat.com [10.10.115.93]) by smtp.corp.redhat.com (Postfix) with SMTP id 124F460C05; Mon, 3 May 2021 23:31:54 +0000 (UTC) Date: Mon, 3 May 2021 18:31:54 -0500 From: Josh Poimboeuf To: Al Viro 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: <20210503233154.lhumcispdgj5dgaz@treble> References: <1d06ed6485b66b9f674900368b63d7ef79f666ca.1599756789.git.jpoimboe@redhat.com> <20200914195354.yghlqlwtqz7mqteb@treble> <20200923033848.GD3421308@ZenIV.linux.org.uk> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20200923033848.GD3421308@ZenIV.linux.org.uk> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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. -- Josh