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 54EC77CF3A; Mon, 8 Apr 2024 13:00:16 +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=1712581216; cv=none; b=Wh9lLTo6v9NFrKTTts6GrKPKD43t29yydiySCXnYjEcejVgQMKN605tocAkTMpiNqBeRbgXpjVNut+7SJKlOQFr1S0VC9scZJ+PqXmGVOJWUYKAkq9267KVthhFjAJHa3Cby3udWnMMQG8NooZCz0GS2+XqkBak3WJv6rAO4xco= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712581216; c=relaxed/simple; bh=cOnsSsxyeB8GsxXhbyoXb9VYv73QgA9uIIIQS+P1q54=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=YkOOcjhikcOMuck7vaQCdpxlnO4FDMEBJ0aTt1SNcNK4GVgoijT86Mnpu1ehssy6fO4ULL5UHnobw5TCetFxN2rm9kxKGWcMtVaVA64PqsySmVBENv2xN/1jQKZYQUMadXmcB7zDo46pZdY0Hq2HA7i6SsEVPmd3+b3glTBVirg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=tov0pTgd; 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="tov0pTgd" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6826CC433C7; Mon, 8 Apr 2024 13:00:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1712581215; bh=cOnsSsxyeB8GsxXhbyoXb9VYv73QgA9uIIIQS+P1q54=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=tov0pTgdPplf+SwMgzrC2WtZsLxMSBJkiPJcElkHt1NijqxYnCfITischMlmBHYI+ IQ33ocf/AgwxsKCGtEiytPzj7UwamcAui6pNjroS7a8mXeTQUniU63vGnebi3/iOKt btBdWyNqKmt4GaFU2EliTYRcwv+G8LXSSRnqeFCU= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Lin Yujun , Jonathan Corbet Subject: [PATCH 5.15 001/690] Documentation/hw-vuln: Update spectre doc Date: Mon, 8 Apr 2024 14:47:47 +0200 Message-ID: <20240408125359.583837532@linuxfoundation.org> X-Mailer: git-send-email 2.44.0 In-Reply-To: <20240408125359.506372836@linuxfoundation.org> References: <20240408125359.506372836@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 5.15-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.