From owner-svn-src-all@freebsd.org Wed Jan 31 15:07:53 2018 Return-Path: Delivered-To: svn-src-all@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id CFE36ED037D; Wed, 31 Jan 2018 15:07:53 +0000 (UTC) (envelope-from rpokala@mac.com) Received: from mr11p00im-asmtp004.me.com (mr11p00im-asmtp004.me.com [17.110.69.135]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 7134787A7C; Wed, 31 Jan 2018 15:07:53 +0000 (UTC) (envelope-from rpokala@mac.com) Received: from process-dkim-sign-daemon.mr11p00im-asmtp004.me.com by mr11p00im-asmtp004.me.com (Oracle Communications Messaging Server 8.0.1.2.20170607 64bit (built Jun 7 2017)) id <0P3F00B00DUSZ700@mr11p00im-asmtp004.me.com>; Wed, 31 Jan 2018 15:07:44 +0000 (GMT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=mac.com; s=04042017; t=1517411264; bh=eHWghtrWgLl+xmNrp2jgl9VDvNHZrn7YVdCdEcSsj0k=; h=Date:Subject:From:To:Message-id:MIME-version:Content-type; b=pKHWBf024h6efO63Rh9MHDn5UR2MJyfMKqt3++hHN0Fnyea2a+H8uaXb15qenf0dv MPHttioe9aqXE5vamDgAKCbtPDrJUeGoT1nJYeQckJJByC1BFocFFo/+cYYek/Rv7A q2ZFdjVRMnLhAsU1Vn7XvontNjPA2ifCeefPjnwlOGCfGzf8nWD/6zlGMwoCtQhtiQ +MG5ZwCfYR+MZZgbuXO7OlValap9hfv6B48x7u+rnA4YUIMwbcACygMdcT6YOZOEkf WEFx3yq0KoKoJXRZKohdxnFMYveW94PBKgTmsxsyxUZrBsBlQlAIJuDFDHCaMFhVCW zb43JQn9hgPJw== Received: from icloud.com ([127.0.0.1]) by mr11p00im-asmtp004.me.com (Oracle Communications Messaging Server 8.0.1.2.20170607 64bit (built Jun 7 2017)) with ESMTPSA id <0P3F00FHYE0SPG00@mr11p00im-asmtp004.me.com>; Wed, 31 Jan 2018 15:07:42 +0000 (GMT) X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:,, definitions=2018-01-31_07:,, signatures=0 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 spamscore=0 clxscore=1015 suspectscore=0 malwarescore=0 phishscore=0 adultscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1707230000 definitions=main-1801310197 User-Agent: Microsoft-MacOutlook/10.9.0.180116 Date: Wed, 31 Jan 2018 07:07:40 -0800 Subject: Re: svn commit: r328625 - in head/sys: amd64/amd64 amd64/ia32 amd64/include dev/cpuctl i386/i386 x86/include x86/x86 From: Ravi Pokala To: Konstantin Belousov Cc: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Message-id: <13FA8F78-4647-47A1-99FA-05793EF44E50@mac.com> Thread-topic: svn commit: r328625 - in head/sys: amd64/amd64 amd64/ia32 amd64/include dev/cpuctl i386/i386 x86/include x86/x86 References: <201801311436.w0VEaRrZ030839@repo.freebsd.org> <20180131150204.GQ97752@kib.kiev.ua> In-reply-to: <20180131150204.GQ97752@kib.kiev.ua> MIME-version: 1.0 Content-type: text/plain; charset=UTF-8 Content-transfer-encoding: 7bit X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.25 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 31 Jan 2018 15:07:54 -0000 -----Original Message----- From: on behalf of Konstantin Belousov Date: 2018-01-31, Wednesday at 07:02 To: Ravi Pokala Cc: , , Subject: Re: svn commit: r328625 - in head/sys: amd64/amd64 amd64/ia32 amd64/include dev/cpuctl i386/i386 x86/include x86/x86 > On Wed, Jan 31, 2018 at 06:52:43AM -0800, Ravi Pokala wrote: > >> Thanks Kostik! >> >> Quick question: IBRS stands for...? For that matter, in the previous change, what does RDCL_NO stand for too? > > Indirect Branch Restricted Speculation > Rogue Data Cache Load. > > Read (or at least skim over) the Intel paper I referenced in the commit message. Certainly. That said, it's nice to spell out un-familiar acronyms the first time they're used. :-) Thanks again, Ravi (rpokala@)