Received: by 2002:a25:ab43:0:0:0:0:0 with SMTP id u61csp261846ybi; Fri, 7 Jun 2019 07:40:48 -0700 (PDT) X-Google-Smtp-Source: APXvYqzCExQ/K8lcPJcITk/QAQQ+mpmwSntow1MCRhLaOCZmrtZ+qsYkfAWMikL8+2AT6JdxX2mm X-Received: by 2002:a63:9dcc:: with SMTP id i195mr2899367pgd.183.1559918448356; Fri, 07 Jun 2019 07:40:48 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1559918448; cv=none; d=google.com; s=arc-20160816; b=D7mLrUcvPyejpens1n8CXUQPG+GB2k0WN7RDSTzezuvFThcV/JYQAVocmHaUeExV3n mkAXUhz04uk8B/FcwpFBI+2gjrpn3Au7iRkFUcQxo0Ox+i9yRQvvb1FVHVBA+tbhnHPF vd5MvQUKidxyQHreBvS7cVt2NkZb1lpfbepKZDywwzIr37ajfSkXRw6e3NuDmElUkoNh XQGEzx1oWMaYEVDSHFWVstaD5n/I1CUuQ3l9wVra51LWIMzGakVxoGIVAoRrrv9Ea+hm hSc1dBk7dmj85ob3GbOZM/IJWKE+vMWSudetv9VO0K4P9NS5sT2Lrltg/TloBIE6wEkE oEKA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:message-id:date:content-id:mime-version :subject:cc:to:references:in-reply-to:from:organization; bh=7RDrSHylxhjEpI+ElvO3sbbcyHzTuL/F3yQXDEw0q+k=; b=w95Z6qHpCnhK5iTLSFNgGxDbOxVzBqqqQVfl+TwJbMsnX7P6s7KpcUqcGF7apvFzBG O+J4z/4iKU1swAa60p832EHav/4pql0KMZT1ihzzDM4hPV0fl4LjsbTl/cGCMKmJT33m 3yecy0xQgS3tLT+Kmpic+23FPs384S9LNT0cAOA6aDIvjFay/9B7CaSBuGRLn2ILo/lW xoSifyzvrBlOhfMHSCeY0dhMGisznVgurYBvpFIh5V0Db7+nOBWPUXVm3EoAm/DdzOrb tZ+h2OXKKbMjO3q31nUpx1GwVsWRTqb5iAqZn/XX7yWhepX+ukHVu4dUpTzHrr6k54LE JIeQ== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=redhat.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id 132si1813803pfu.263.2019.06.07.07.40.31; Fri, 07 Jun 2019 07:40:48 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=redhat.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728816AbfFGOh6 (ORCPT + 99 others); Fri, 7 Jun 2019 10:37:58 -0400 Received: from mx1.redhat.com ([209.132.183.28]:51142 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728311AbfFGOh5 (ORCPT ); Fri, 7 Jun 2019 10:37:57 -0400 Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.13]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id B001F3092647; Fri, 7 Jun 2019 14:37:52 +0000 (UTC) Received: from warthog.procyon.org.uk (ovpn-120-173.rdu2.redhat.com [10.10.120.173]) by smtp.corp.redhat.com (Postfix) with ESMTP id 6C4C260C23; Fri, 7 Jun 2019 14:37:50 +0000 (UTC) Organization: Red Hat UK Ltd. Registered Address: Red Hat UK Ltd, Amberley Place, 107-111 Peascod Street, Windsor, Berkshire, SI4 1TE, United Kingdom. Registered in England and Wales under Company Registration No. 3798903 From: David Howells In-Reply-To: <20190606212140.GA25664@vmlxhi-102.adit-jv.com> References: <20190606212140.GA25664@vmlxhi-102.adit-jv.com> <155981411940.17513.7137844619951358374.stgit@warthog.procyon.org.uk> <155981421379.17513.13158528501056454772.stgit@warthog.procyon.org.uk> To: Eugeniu Rosca Cc: dhowells@redhat.com, viro@zeniv.linux.org.uk, raven@themaw.net, linux-fsdevel@vger.kernel.org, linux-api@vger.kernel.org, linux-block@vger.kernel.org, keyrings@vger.kernel.org, linux-security-module@vger.kernel.org, linux-kernel@vger.kernel.org, Eugeniu Rosca Subject: Re: [PATCH 10/10] Add sample notification program [ver #3] MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-ID: <17510.1559918269.1@warthog.procyon.org.uk> Date: Fri, 07 Jun 2019 15:37:49 +0100 Message-ID: <17511.1559918269@warthog.procyon.org.uk> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.43]); Fri, 07 Jun 2019 14:37:57 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Eugeniu Rosca wrote: > > + asm ("lfence" : : : "memory" ); > [..] > > + asm("mfence" ::: "memory"); Have a look at ver #4. David