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=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 528A8C433E6 for ; Tue, 1 Sep 2020 15:45:56 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0FA432078B for ; Tue, 1 Sep 2020 15:45:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1598975156; bh=nN2X4oEKGVhTNSkEAU4v2/jWqY5AJGIkryR8OT7ctnQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=vVwORTyD/BVLDqOwLCBBmTx+Vh7cMXfMn78J4NeizLlxBa/zjzuVCeCylLAlCWFwb TgH377ROUTygaJftsQl/2qXQr5MEKTGVMxeE0duNvxM1WWRx7efCsV4y6uP6L8iVD/ hzbsyWD/jQugJ7W8mhH3Y9T+fm7BXhmVhsRqFI8k= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731560AbgIAPpy (ORCPT ); Tue, 1 Sep 2020 11:45:54 -0400 Received: from mail.kernel.org ([198.145.29.99]:56756 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731637AbgIAPnG (ORCPT ); Tue, 1 Sep 2020 11:43:06 -0400 Received: from localhost (83-86-74-64.cable.dynamic.v4.ziggo.nl [83.86.74.64]) (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 6EEE920866; Tue, 1 Sep 2020 15:43:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1598974986; bh=nN2X4oEKGVhTNSkEAU4v2/jWqY5AJGIkryR8OT7ctnQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=08tVhlU8O46NqbZRFBzbf7Ah+IRqhqOR0MXtPoImm7Y8NdQy4UFxdYz5IcqQLYvaD dFUjNFuhWB/9M/McQ8PDSlatZnXZT8OeUt+4OC/UAivxQhZeiqePh4SgfzzmfBwTJ/ pQ2uI33a+tFXF5jHh1QqI54373bOHe4eEF14QDt4= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Marc Zyngier , Sai Prakash Ranjan , Stephen Boyd , Suzuki K Poulose , Will Deacon , Catalin Marinas , Sasha Levin Subject: [PATCH 5.8 166/255] arm64: Allow booting of late CPUs affected by erratum 1418040 Date: Tue, 1 Sep 2020 17:10:22 +0200 Message-Id: <20200901151008.648624285@linuxfoundation.org> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20200901151000.800754757@linuxfoundation.org> References: <20200901151000.800754757@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Marc Zyngier [ Upstream commit bf87bb0881d0f59181fe3bbcf29c609f36483ff8 ] As we can now switch from a system that isn't affected by 1418040 to a system that globally is affected, let's allow affected CPUs to come in at a later time. Signed-off-by: Marc Zyngier Tested-by: Sai Prakash Ranjan Reviewed-by: Stephen Boyd Reviewed-by: Suzuki K Poulose Acked-by: Will Deacon Link: https://lore.kernel.org/r/20200731173824.107480-3-maz@kernel.org Signed-off-by: Catalin Marinas Signed-off-by: Sasha Levin --- 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 79728bfb5351f..2c0b82db825ba 100644 --- a/arch/arm64/kernel/cpu_errata.c +++ b/arch/arm64/kernel/cpu_errata.c @@ -910,6 +910,8 @@ const struct arm64_cpu_capabilities arm64_errata[] = { .desc = "ARM erratum 1418040", .capability = ARM64_WORKAROUND_1418040, ERRATA_MIDR_RANGE_LIST(erratum_1418040_list), + .type = (ARM64_CPUCAP_SCOPE_LOCAL_CPU | + ARM64_CPUCAP_PERMITTED_FOR_LATE_CPU), }, #endif #ifdef CONFIG_ARM64_WORKAROUND_SPECULATIVE_AT -- 2.25.1