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=-13.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable 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 7E7E1C64E8A for ; Tue, 17 Nov 2020 12:59:42 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3154D2225B for ; Tue, 17 Nov 2020 12:59:42 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="aECtkJ7w" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728383AbgKQM5Y (ORCPT ); Tue, 17 Nov 2020 07:57:24 -0500 Received: from mail.kernel.org ([198.145.29.99]:54226 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728612AbgKQM5X (ORCPT ); Tue, 17 Nov 2020 07:57:23 -0500 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 5163824686; Tue, 17 Nov 2020 12:57:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1605617843; bh=51+6+uPww+RmJBsPsYhNpnC8ORVfQ015jaj6oYZgpvs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=aECtkJ7wKr/VLhBOxDsIExGA0y2L2Ow+n2eeW20jN92PiuZJb6i1juYisanrIheX8 ELL+gQL+VV3t3wSFUFiT4MQLEtsyA/+LE0KAaobWdAAF3U5x/y7dl4iNrUYd0/MiRR qSdbWz62TW0i+cavT+z5hFjqKLWnI5r6xclZWXtQ= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Konrad Dybcio , Will Deacon , Sasha Levin , linux-arm-kernel@lists.infradead.org Subject: [PATCH AUTOSEL 5.9 20/21] arm64: kpti: Add KRYO2XX gold/silver CPU cores to kpti safelist Date: Tue, 17 Nov 2020 07:56:51 -0500 Message-Id: <20201117125652.599614-20-sashal@kernel.org> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20201117125652.599614-1-sashal@kernel.org> References: <20201117125652.599614-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Konrad Dybcio [ Upstream commit e3dd11a9f2521cecbcf30c2fd17ecc5a445dfb94 ] QCOM KRYO2XX gold (big) silver (LITTLE) CPU cores are based on Cortex-A73 and Cortex-A53 respectively and are meltdown safe, hence add them to kpti_safe_list[]. Signed-off-by: Konrad Dybcio Link: https://lore.kernel.org/r/20201104232218.198800-3-konrad.dybcio@somainline.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 6424584be01e6..9d0e4afdc8caa 100644 --- a/arch/arm64/kernel/cpufeature.c +++ b/arch/arm64/kernel/cpufeature.c @@ -1333,6 +1333,8 @@ 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_2XX_GOLD), + MIDR_ALL_VERSIONS(MIDR_QCOM_KRYO_2XX_SILVER), MIDR_ALL_VERSIONS(MIDR_QCOM_KRYO_3XX_SILVER), MIDR_ALL_VERSIONS(MIDR_QCOM_KRYO_4XX_SILVER), { /* sentinel */ } -- 2.27.0