From nobody Fri Dec 19 17:42:14 2025 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 DC8DFC00144 for ; Mon, 1 Aug 2022 11:57:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232609AbiHAL5J (ORCPT ); Mon, 1 Aug 2022 07:57:09 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49124 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232837AbiHAL4H (ORCPT ); Mon, 1 Aug 2022 07:56:07 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3A39447BA7; Mon, 1 Aug 2022 04:51:37 -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 E004EB8117B; Mon, 1 Aug 2022 11:51:34 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 4CD1FC433C1; Mon, 1 Aug 2022 11:51:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1659354693; bh=5QFadlSXgXSglT340fPMpSI4euDZVQDvEDAnpaAMXg4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=yyIoUIC2h4cHymeDBAwl26Zqzreahc9/ylm6t88FgHy3eF5TlJFeOuYi+6WpHSBPS 2LHEhLMkiksYHoQ3Fym8Xf7FfSNpJaYwjAe5sip4PBG4VTw0wS/YtyzhCkU6A14v+x QTA+7X1LOy70uEOCRKlyJDZkcuyhJWqHcX3Z0RiM= 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 5.10 52/65] docs/kernel-parameters: Update descriptions for "mitigations=" param with retbleed Date: Mon, 1 Aug 2022 13:47:09 +0200 Message-Id: <20220801114135.857998247@linuxfoundation.org> X-Mailer: git-send-email 2.37.1 In-Reply-To: <20220801114133.641770326@linuxfoundation.org> References: <20220801114133.641770326@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 @@ -2873,6 +2873,7 @@ 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 @@ -2895,6 +2896,7 @@ 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