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=-3.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=no 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 1AA42C54FCB for ; Fri, 24 Apr 2020 16:38:22 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id DEB8F206D7 for ; Fri, 24 Apr 2020 16:38:21 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="H0KpvdrU" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org DEB8F206D7 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=arm.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-Id:Date:Subject:To :From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; bh=DfQqNLP+6LkQmrxZgZNRm5UJYJHKYnPN/uH0EqmuK+0=; b=H0KpvdrU2xuMRL ZMdx81Cpd5+5VphxXJO0w71T2tnlWOU3fP4mkmCaclET+fq0H9Fk3QS2ieisMwfZhvxjXhpuN2WwJ FGt/NKtMec0F2PeEfOkpcZXrwaiR4pJyYnpDkTfZI7XbI+NVeSS8c9WrdOzjzuvvjNvk09skRoHBX yDCVzlDm2OuPIdmf4EZEsAbjvXj6c+MDkmz5VchjovVwMj37Bpa06+h4MMZIvXsrgmhOAbY5bfnyC EuVZPfysQ4PysbkN/ozwD/htUZ+q1HfDY8nmZFzBLYnl4b6r/XZaleD6dU31JCmN3sJjStRFF8C8V 9hQh54IRzJee7q9svu7g==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jS1LJ-0007jN-2M; Fri, 24 Apr 2020 16:38:21 +0000 Received: from foss.arm.com ([217.140.110.172]) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jS1LG-0007iM-Dy for linux-arm-kernel@lists.infradead.org; Fri, 24 Apr 2020 16:38:19 +0000 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 0955B31B; Fri, 24 Apr 2020 09:38:16 -0700 (PDT) Received: from melchizedek.cambridge.arm.com (melchizedek.cambridge.arm.com [10.1.196.50]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 8E85B3F68F; Fri, 24 Apr 2020 09:38:15 -0700 (PDT) From: James Morse To: stable@vger.kernel.org Subject: [stable:PATCH 0/4 v5.4] arm64: Workaround Neoverse-N1 #1542419 Date: Fri, 24 Apr 2020 17:38:01 +0100 Message-Id: <20200424163805.4087-1-james.morse@arm.com> X-Mailer: git-send-email 2.19.1 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200424_093818_511233_DFE6A9C3 X-CRM114-Status: UNSURE ( 8.08 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org This series backports the Neoverse-N1 #1542419 erratum workaround to v5.4.35. The series was originally merged in v5.5. These patches handle user-space. The kernel change was: commit dd8a1f134884 ("arm64: ftrace: Ensure synchronisation in PLT setup for Neoverse-N1 #1542419"), which was taken as a fix for v5.4. Thanks, James Catalin Marinas (1): arm64: Silence clang warning on mismatched value/register sizes James Morse (3): arm64: errata: Hide CTR_EL0.DIC on systems affected by Neoverse-N1 #1542419 arm64: Fake the IminLine size on systems affected by Neoverse-N1 #1542419 arm64: compat: Workaround Neoverse-N1 #1542419 for compat user-space Documentation/arm64/silicon-errata.rst | 2 ++ arch/arm64/Kconfig | 16 +++++++++++++ arch/arm64/include/asm/cache.h | 3 ++- arch/arm64/include/asm/cpucaps.h | 3 ++- arch/arm64/kernel/cpu_errata.c | 32 +++++++++++++++++++++++++- arch/arm64/kernel/sys_compat.c | 11 +++++++++ arch/arm64/kernel/traps.c | 9 ++++++++ 7 files changed, 73 insertions(+), 3 deletions(-) -- 2.19.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel