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=-9.8 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,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 8B5AAC433DF for ; Thu, 25 Jun 2020 10:31:43 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5FB1420773 for ; Thu, 25 Jun 2020 10:31:43 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=mg.codeaurora.org header.i=@mg.codeaurora.org header.b="DuPj/XWc" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2403997AbgFYKbm (ORCPT ); Thu, 25 Jun 2020 06:31:42 -0400 Received: from m43-7.mailgun.net ([69.72.43.7]:43749 "EHLO m43-7.mailgun.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2403816AbgFYKbk (ORCPT ); Thu, 25 Jun 2020 06:31:40 -0400 DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1593081100; h=Content-Transfer-Encoding: MIME-Version: Message-Id: Date: Subject: Cc: To: From: Sender; bh=uniitDF92Om9eWqQEbl7z3lfvQkVJMZ8568QaLGavN4=; b=DuPj/XWc4EvYnlqlEUxXaM18ZSiiE/hWnEpbur3QHa9d31i8KJuQ7OWJPazSbS1n8qArmekF Ac2BFNtrU7cLFSJB6r46zSglJZ+6vfRxsaLJVJAzhB9XVDvlkmFN/paxxS5U4dctW832f1NZ 8d2vkocpivrxwfVwHKgFKgNIWvg= X-Mailgun-Sending-Ip: 69.72.43.7 X-Mailgun-Sid: WyI0MWYwYSIsICJsaW51eC1rZXJuZWxAdmdlci5rZXJuZWwub3JnIiwgImJlOWU0YSJd Received: from smtp.codeaurora.org (ec2-35-166-182-171.us-west-2.compute.amazonaws.com [35.166.182.171]) by smtp-out-n18.prod.us-east-1.postgun.com with SMTP id 5ef47d090206ad41d1c6c453 (version=TLS1.2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256); Thu, 25 Jun 2020 10:31:36 GMT Received: by smtp.codeaurora.org (Postfix, from userid 1001) id 293E4C433C8; Thu, 25 Jun 2020 10:31:36 +0000 (UTC) Received: from blr-ubuntu-253.qualcomm.com (blr-bdr-fw-01_GlobalNAT_AllZones-Outside.qualcomm.com [103.229.18.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: saiprakash.ranjan) by smtp.codeaurora.org (Postfix) with ESMTPSA id 1C2EAC433C6; Thu, 25 Jun 2020 10:31:31 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 1C2EAC433C6 Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; spf=none smtp.mailfrom=saiprakash.ranjan@codeaurora.org From: Sai Prakash Ranjan To: Will Deacon , Catalin Marinas , Mark Rutland , Douglas Anderson , Stephen Boyd Cc: Jeffrey Hugo , linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-arm-msm@vger.kernel.org, Sai Prakash Ranjan Subject: [PATCH] arm64: Add KRYO{3,4}XX silver CPU cores to SSB safelist Date: Thu, 25 Jun 2020 16:01:23 +0530 Message-Id: <20200625103123.7240-1-saiprakash.ranjan@codeaurora.org> X-Mailer: git-send-email 2.24.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org QCOM KRYO{3,4}XX silver/LITTLE CPU cores are based on Cortex-A55 and are SSB safe, hence add them to SSB safelist -> arm64_ssb_cpus[]. Reported-by: Stephen Boyd Signed-off-by: Sai Prakash Ranjan --- arch/arm64/kernel/cpu_errata.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/arm64/kernel/cpu_errata.c b/arch/arm64/kernel/cpu_errata.c index ad06d6802d2e..cf50c53e9357 100644 --- a/arch/arm64/kernel/cpu_errata.c +++ b/arch/arm64/kernel/cpu_errata.c @@ -460,6 +460,8 @@ static const struct midr_range arm64_ssb_cpus[] = { MIDR_ALL_VERSIONS(MIDR_CORTEX_A53), MIDR_ALL_VERSIONS(MIDR_CORTEX_A55), MIDR_ALL_VERSIONS(MIDR_BRAHMA_B53), + MIDR_ALL_VERSIONS(MIDR_QCOM_KRYO_3XX_SILVER), + MIDR_ALL_VERSIONS(MIDR_QCOM_KRYO_4XX_SILVER), {}, }; -- QUALCOMM INDIA, on behalf of Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, hosted by The Linux Foundation