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=-14.1 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,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 008C4C433DF for ; Mon, 24 Aug 2020 17:16:30 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C8D9C2067C for ; Mon, 24 Aug 2020 17:16:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1598289389; bh=nN2X4oEKGVhTNSkEAU4v2/jWqY5AJGIkryR8OT7ctnQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=MMa/BvFd+a+LHSjZztvwbLQZd62K1Ozd6FNqft5avPqd7zs6wm7grnZ1zOOLMCi2o 5EARY1m2JVyG4n1nshapZhsmKH+LFfEmA5OKsM77iKVXRSz8fwuaOWoTyPIC/PITXc pIP2YKbfJaGo3hgh4DvZ9IVN1Ycd3Q0jRKBAkmyI= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727925AbgHXRQ1 (ORCPT ); Mon, 24 Aug 2020 13:16:27 -0400 Received: from mail.kernel.org ([198.145.29.99]:40124 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728290AbgHXQg6 (ORCPT ); Mon, 24 Aug 2020 12:36:58 -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 BAB1D22D07; Mon, 24 Aug 2020 16:36:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1598286991; bh=nN2X4oEKGVhTNSkEAU4v2/jWqY5AJGIkryR8OT7ctnQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=UJvAFp/PLv0xT/tLMbqqMS1LMoHnj6aTRnm/LuJhW4K00li2xvafqxWDVcrW4kWQI 5x2vH0JB57KCeYn4oTI73x3c3HwIKo9n9C6znArhDBYXuzsibg4NRlQ1aOkMpfL8HH IO+RaRfiPwSyXFplMePoiVbmn13fLbPiwDByQzUY= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Marc Zyngier , Sai Prakash Ranjan , Stephen Boyd , Suzuki K Poulose , Will Deacon , Catalin Marinas , Sasha Levin , linux-arm-kernel@lists.infradead.org Subject: [PATCH AUTOSEL 5.8 63/63] arm64: Allow booting of late CPUs affected by erratum 1418040 Date: Mon, 24 Aug 2020 12:35:03 -0400 Message-Id: <20200824163504.605538-63-sashal@kernel.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200824163504.605538-1-sashal@kernel.org> References: <20200824163504.605538-1-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: 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