From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 15CC413DDDD; Thu, 11 Apr 2024 09:58:21 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712829502; cv=none; b=PVxju6xvX3nl5HRS5zB1KntSWk3HIMjQ0aKm3WxBmn9e0QqSqX5j3W/8cnWjZK4xAef9Qvw8Kapqmyeb6zbA1zZZnvtQlxg3yrC0P3JZjTUgYnLQ8a4Iur5fYy91Cgu2khGg9BX0s0r20kx8e2d60+7xpUhsc+1Tq4TSe3O2aqc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712829502; c=relaxed/simple; bh=9sZt5gAUZK/5ywk6rjr8fE8idDVQ0MA0xAjgQ1JuhbY=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=o+G43RXiw1CaysYCLHoJdZHio93q4a6jjDNr+a1xcmKp7sMxEZux4Pyx+l+WblXWzvjCObR+Klbkx5Ld7IOHZCqzuhCRc0hzwB2BiCBGnlRE5mmn5Wbb3AgzfYasmIixwvhfkRJaLCJTB6HeKx07wqANH1w7gX+37MwrWufkvRw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=enxN7mNb; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="enxN7mNb" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 37682C433F1; Thu, 11 Apr 2024 09:58:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1712829501; bh=9sZt5gAUZK/5ywk6rjr8fE8idDVQ0MA0xAjgQ1JuhbY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=enxN7mNb5qgwNSn2dyoGwinbP7Aa4vBLRwgAVpuHH7U5ojHfi5WH9hhq2EITZtryU 3/T9ebUAzzf/YZ/GbxCTS062oyI4BjKJva7zeHT2/g1dQzX0QRAj/OfHgdz0GcbVYv B5pdSQ6GEfqwKlp2jsaNkFNTy2C2NvQu90sn2POw= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Lin Yujun , Jonathan Corbet Subject: [PATCH 4.19 001/175] Documentation/hw-vuln: Update spectre doc Date: Thu, 11 Apr 2024 11:53:44 +0200 Message-ID: <20240411095419.580385928@linuxfoundation.org> X-Mailer: git-send-email 2.44.0 In-Reply-To: <20240411095419.532012976@linuxfoundation.org> References: <20240411095419.532012976@linuxfoundation.org> User-Agent: quilt/0.67 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 4.19-stable review patch. If anyone has any objections, please let me know. ------------------ From: Lin Yujun commit 06cb31cc761823ef444ba4e1df11347342a6e745 upstream. 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 Link: https://lore.kernel.org/r/20220830123614.23007-1-linyujun809@huawei.com Signed-off-by: Jonathan Corbet Signed-off-by: Greg Kroah-Hartman --- Documentation/admin-guide/hw-vuln/spectre.rst | 1 + 1 file changed, 1 insertion(+) --- a/Documentation/admin-guide/hw-vuln/spectre.rst +++ b/Documentation/admin-guide/hw-vuln/spectre.rst @@ -625,6 +625,7 @@ kernel command line. eibrs enhanced IBRS eibrs,retpoline enhanced IBRS + Retpolines eibrs,lfence enhanced IBRS + LFENCE + ibrs use IBRS to protect kernel Not specifying this option is equivalent to spectre_v2=auto.