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=-13.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,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 8AAB3C433EC for ; Tue, 14 Jul 2020 18:54:48 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5EEE922B4E for ; Tue, 14 Jul 2020 18:54:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1594752888; bh=RBIbnZzztTdxZ/SbCqbKeaEtPBUQ+wEz5vBOHX/Wrjk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=sQbWwVaqIbNqMCT0W8rqw4BgbN17Ckzx02A29a1KSER3Pbs25LrR4Y/UECo7hfSE5 rX2eM9fiHzh06FerhJ5v+pT/6n2rTSlzFdwhVIo6mVgf0h3xYJZWwTQI76633P5u1K NP8hfVsnYlLiwXIbeZhqtTdn7vaIR4bHxWORdw90= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730788AbgGNSyr (ORCPT ); Tue, 14 Jul 2020 14:54:47 -0400 Received: from mail.kernel.org ([198.145.29.99]:52256 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729677AbgGNSyq (ORCPT ); Tue, 14 Jul 2020 14:54:46 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 79E6A22BEF; Tue, 14 Jul 2020 18:54:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1594752886; bh=RBIbnZzztTdxZ/SbCqbKeaEtPBUQ+wEz5vBOHX/Wrjk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=bcf8IYg8ZQUA52/SWeFSIEydXtjwoW1lsuyLZFJen9hiWkQXvaQlV4GyGDw14mVEw /JjQsXHpAEqZzNfdfFYteuF2FbxrFs4etdi/LaXd6nkwg+vJuJFCtbjiCE5QIUmZcC N5JwB5EY1hhsL36a0xDvM+/Gsm2UEKDJWTGv5WaI= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Sai Prakash Ranjan , Will Deacon , Sasha Levin Subject: [PATCH 5.7 038/166] arm64: kpti: Add KRYO{3, 4}XX silver CPU cores to kpti safelist Date: Tue, 14 Jul 2020 20:43:23 +0200 Message-Id: <20200714184117.703665553@linuxfoundation.org> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20200714184115.844176932@linuxfoundation.org> References: <20200714184115.844176932@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@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