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 X-Spam-Level: X-Spam-Status: No, score=-10.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id CA8B9C433DF for ; Thu, 2 Jul 2020 01:25:06 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 997D320748 for ; Thu, 2 Jul 2020 01:25:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1593653106; bh=RBIbnZzztTdxZ/SbCqbKeaEtPBUQ+wEz5vBOHX/Wrjk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=pTjfk3Vn3Hzy3SSO6NPit4qqhj6Vti1RoaYULkMDvi5Ta/pij1JBNyjU/KtsYlBg0 UCRbi7r5pJ6FUWtVIhKgc2jVcRBiQQRup8ftMg9OCpjJNucb1hFJaeU/H/ZPgvDovz P5BFwjepJ86jzx4h457CRbiPSapufmFEnQ83cbNA= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728733AbgGBBZF (ORCPT ); Wed, 1 Jul 2020 21:25:05 -0400 Received: from mail.kernel.org ([198.145.29.99]:54634 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728502AbgGBBXv (ORCPT ); Wed, 1 Jul 2020 21:23:51 -0400 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id A849B2083E; Thu, 2 Jul 2020 01:23:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1593653031; bh=RBIbnZzztTdxZ/SbCqbKeaEtPBUQ+wEz5vBOHX/Wrjk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=rHQUu7FtU3nGIxL2D7Bi7T3krfNPaxV/cQdo9r3XS+Xj+P2hKar89MIe8mbxYihND 30ZpV4dwhTPXvOckJZs7536zdw9FjjWENY1jwLh34SNtLyNwqo3qlrMPFZIDNDWpaU akq8LIve+nUI+gl9RgOMVzh1CBrC9bVGiztDlMjc= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Sai Prakash Ranjan , Will Deacon , Sasha Levin , linux-arm-kernel@lists.infradead.org Subject: [PATCH AUTOSEL 5.7 45/53] arm64: kpti: Add KRYO{3, 4}XX silver CPU cores to kpti safelist Date: Wed, 1 Jul 2020 21:21:54 -0400 Message-Id: <20200702012202.2700645-45-sashal@kernel.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200702012202.2700645-1-sashal@kernel.org> References: <20200702012202.2700645-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Sai Prakash Ranjan [ Upstream commit f4617be35b4b547e82d30993f56d631dfc2d5f88 ] QCOM KRYO{3,4}XX silver/LITTLE CPU cores are based on Cortex-A55 and are meltdown safe, hence add them to kpti_safe_list[]. Signed-off-by: Sai Prakash Ranjan Link: https://lore.kernel.org/r/20200624123406.3472-1-saiprakash.ranjan@codeaurora.org Signed-off-by: Will Deacon Signed-off-by: Sasha Levin --- arch/arm64/kernel/cpufeature.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/arm64/kernel/cpufeature.c b/arch/arm64/kernel/cpufeature.c index 9fac745aa7bb2..b0fb1d5bf2235 100644 --- a/arch/arm64/kernel/cpufeature.c +++ b/arch/arm64/kernel/cpufeature.c @@ -1059,6 +1059,8 @@ static bool unmap_kernel_at_el0(const struct arm64_cpu_capabilities *entry, MIDR_ALL_VERSIONS(MIDR_CORTEX_A73), MIDR_ALL_VERSIONS(MIDR_HISI_TSV110), MIDR_ALL_VERSIONS(MIDR_NVIDIA_CARMEL), + MIDR_ALL_VERSIONS(MIDR_QCOM_KRYO_3XX_SILVER), + MIDR_ALL_VERSIONS(MIDR_QCOM_KRYO_4XX_SILVER), { /* sentinel */ } }; char const *str = "kpti command line option"; -- 2.25.1