From nobody Sun Feb 8 00:36:30 2026 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 010B6C19F29 for ; Mon, 1 Aug 2022 12:07:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233593AbiHAMHy (ORCPT ); Mon, 1 Aug 2022 08:07:54 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48190 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233523AbiHAMHT (ORCPT ); Mon, 1 Aug 2022 08:07:19 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C259C4D14A; Mon, 1 Aug 2022 04:55:21 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 498CBB80EAC; Mon, 1 Aug 2022 11:55:20 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9D9E0C433C1; Mon, 1 Aug 2022 11:55:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1659354919; bh=KvfUaIHcTB0p6wpwGMyOq7nomADf+22xhnDmP9/yU04=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=KDPNI95bnoQWzG498pd6vC1DKvwFS245zYjbXxFIiy2Ru8pomXLdnxLsZBt6gostk m4xdp/hQVRtY7vh6Nq1/vrG47RM2C4Uvlw4fDXmr5Qc+h05tX1xm0vf5hTl0R6ln/d yeSOuiaAyKsDd+pcrba4DR14hWPgMVCpoFcbb2xg= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Eiichi Tsukata , Borislav Petkov , corbet@lwn.net Subject: [PATCH 5.15 67/69] docs/kernel-parameters: Update descriptions for "mitigations=" param with retbleed Date: Mon, 1 Aug 2022 13:47:31 +0200 Message-Id: <20220801114137.165241886@linuxfoundation.org> X-Mailer: git-send-email 2.37.1 In-Reply-To: <20220801114134.468284027@linuxfoundation.org> References: <20220801114134.468284027@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" From: Eiichi Tsukata commit ea304a8b89fd0d6cf94ee30cb139dc23d9f1a62f upstream. Updates descriptions for "mitigations=3Doff" and "mitigations=3Dauto,nosmt" with the respective retbleed=3D settings. Signed-off-by: Eiichi Tsukata Signed-off-by: Borislav Petkov Cc: corbet@lwn.net Link: https://lore.kernel.org/r/20220728043907.165688-1-eiichi.tsukata@nuta= nix.com Signed-off-by: Greg Kroah-Hartman --- Documentation/admin-guide/kernel-parameters.txt | 2 ++ 1 file changed, 2 insertions(+) --- a/Documentation/admin-guide/kernel-parameters.txt +++ b/Documentation/admin-guide/kernel-parameters.txt @@ -3020,6 +3020,7 @@ no_entry_flush [PPC] no_uaccess_flush [PPC] mmio_stale_data=3Doff [X86] + retbleed=3Doff [X86] =20 Exceptions: This does not have any effect on @@ -3042,6 +3043,7 @@ mds=3Dfull,nosmt [X86] tsx_async_abort=3Dfull,nosmt [X86] mmio_stale_data=3Dfull,nosmt [X86] + retbleed=3Dauto,nosmt [X86] =20 mminit_loglevel=3D [KNL] When CONFIG_DEBUG_MEMORY_INIT is set, this