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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6E9A3ECAAD8 for ; Wed, 21 Sep 2022 20:09:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230274AbiIUUJH (ORCPT ); Wed, 21 Sep 2022 16:09:07 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52658 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229970AbiIUUJE (ORCPT ); Wed, 21 Sep 2022 16:09:04 -0400 Received: from ms.lwn.net (ms.lwn.net [45.79.88.28]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5534EA3D3F; Wed, 21 Sep 2022 13:09:03 -0700 (PDT) Received: from localhost (unknown [IPv6:2601:281:8300:73::5f6]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ms.lwn.net (Postfix) with ESMTPSA id DE4A2536; Wed, 21 Sep 2022 20:09:02 +0000 (UTC) DKIM-Filter: OpenDKIM Filter v2.11.0 ms.lwn.net DE4A2536 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=lwn.net; s=20201203; t=1663790943; bh=UmtzTfo4/0xLh6E30ZF1ufnH7+LQRzfKsIVJ7wUASaU=; h=From:To:Cc:Subject:In-Reply-To:References:Date:From; b=LCqmoQDdBoKvFfQZOMqL0glMhFPVqs5X9bggwK+PwtxyNsXIZNdE9CmOFUpytY6TQ 50cCTxW3rqtuL2ccGFfNgzfBq8nBnBJPd07DIwLetBw3AwglMXRV4wNz3+mhVzV8Fi DmyZdQtcOfnose9CzZSqZ9hTL3H8WnXVYgjtc9nsoSDsg90mtRvJthjUWA8u7L/Ctd JhXZ2/OHH3/a5F7yERJBKMxNboqOb/sFjgQOr4GPEtcfO8d/eDVyhvHZ4s6OKR5qgP cAhHx9AqB84Z/SqVtFCRZlZ3SxHhl0nI4YtdNMwdvvXuENxyZrmzNzVdn5Vnd1mqzo FjETVWJ1+Sk+g== From: Jonathan Corbet To: Lin Yujun , bp@suse.de, keescook@chromium.org, aarcange@redhat.com, daniel.sneddon@linux.intel.com, longman@redhat.com, lukas.bulwahn@gmail.com, peterz@infradead.org, kim.phillips@amd.com, linyujun809@huawei.com Cc: linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH -next] Documentation/hw-vuln: Update spectre doc In-Reply-To: <20220830123614.23007-1-linyujun809@huawei.com> References: <20220830123614.23007-1-linyujun809@huawei.com> Date: Wed, 21 Sep 2022 14:09:02 -0600 Message-ID: <87h710v6ap.fsf@meer.lwn.net> MIME-Version: 1.0 Content-Type: text/plain Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Lin Yujun writes: > commit 7c693f54c873691 ("x86/speculation: Add spectre_v2=ibrs > option to support Kernel IBRS") adds the "ibrs " option in > Documentation/admin-guide/kernel-parameters.txt but omits it to > Documentation/admin-guide/hw-vuln/spectre.rst, add it. > > Signed-off-by: Lin Yujun > --- > Documentation/admin-guide/hw-vuln/spectre.rst | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/Documentation/admin-guide/hw-vuln/spectre.rst b/Documentation/admin-guide/hw-vuln/spectre.rst > index 2ce2a38cdd55..c4dcdb3d0d45 100644 > --- a/Documentation/admin-guide/hw-vuln/spectre.rst > +++ b/Documentation/admin-guide/hw-vuln/spectre.rst > @@ -613,6 +613,7 @@ kernel command line. > eibrs enhanced IBRS > eibrs,retpoline enhanced IBRS + Retpolines > eibrs,lfence enhanced IBRS + LFENCE > + ibrs use IBRS to protect kernel > Applied (after reformatting the "commit" line to prevent linux-next warnings), thanks. jon