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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 02B00FA3741 for ; Thu, 27 Oct 2022 02:39:42 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233166AbiJ0Cjl (ORCPT ); Wed, 26 Oct 2022 22:39:41 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54058 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233554AbiJ0Cji (ORCPT ); Wed, 26 Oct 2022 22:39:38 -0400 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 237ADB3F; Wed, 26 Oct 2022 19:39:29 -0700 (PDT) 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 9E2B623A; Wed, 26 Oct 2022 19:39:35 -0700 (PDT) Received: from a077893.blr.arm.com (unknown [172.31.20.19]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id BC7363F792; Wed, 26 Oct 2022 19:39:25 -0700 (PDT) From: Anshuman Khandual To: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, catalin.marinas@arm.com, will@kernel.org Cc: Anshuman Khandual , Suzuki K Poulose , James Morse , Jonathan Corbet , Mark Rutland , linux-doc@vger.kernel.org Subject: [PATCH 0/2] arm64: errata: Workaround Cortex-A715 errata #2645198 Date: Thu, 27 Oct 2022 08:09:13 +0530 Message-Id: <20221027023915.1318100-1-anshuman.khandual@arm.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This series adds Cortex-A715 partnumber and workarounds the errata #2645198 which gets triggered when an userspace page mapping permission changes from executable to non-executable, corrupting both ESR_EL1/FAR_EL1 registers when an instruction abort is taken. This series applies on v6.1-rc1. The errata description can be found here. https://developer.arm.com/documentation/SDEN2148827/1000/?lang=en Cc: Catalin Marinas Cc: Will Deacon Cc: Suzuki K Poulose Cc: James Morse Cc: Jonathan Corbet Cc: Mark Rutland Cc: linux-arm-kernel@lists.infradead.org Cc: linux-kernel@vger.kernel.org Cc: linux-doc@vger.kernel.org Anshuman Khandual (2): arm64: Add Cortex-715 CPU part definition arm64: errata: Workaround possible Cortex-A715 [ESR|FAR]_ELx corruption Documentation/arm64/silicon-errata.rst | 2 ++ arch/arm64/Kconfig | 16 +++++++++++ arch/arm64/include/asm/cputype.h | 2 ++ arch/arm64/include/asm/hugetlb.h | 9 +++++++ arch/arm64/include/asm/pgtable.h | 24 +++++++++++++++++ arch/arm64/kernel/cpu_errata.c | 7 +++++ arch/arm64/mm/hugetlbpage.c | 37 ++++++++++++++++++++++++++ arch/arm64/tools/cpucaps | 1 + 8 files changed, 98 insertions(+) -- 2.25.1