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=-4.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,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 E0371C54FC9 for ; Tue, 21 Apr 2020 14:29:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id AE0902070B for ; Tue, 21 Apr 2020 14:29:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1587479369; bh=s5Sab4jJiJDHJIpjD4RvCm2z34zP3dXNvjG8qk3JShE=; h=From:To:Cc:Subject:Date:List-ID:From; b=WxorjtURXFtqh2gqEhsxjICgnxxOlkMjOsDdW07ODVXWfhUULk7cu24kqzVCm2GFB x9h8HRqWeCmDNPo0aN32yUkHWyCnoLofjINaDyYwgzOgC+1jik6AfzeSrxlyHxzF51 neKzBKuRCLOCyTReaUXWUfk/lSNwJIa8dANHDWjM= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728874AbgDUO33 (ORCPT ); Tue, 21 Apr 2020 10:29:29 -0400 Received: from mail.kernel.org ([198.145.29.99]:42014 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726628AbgDUO32 (ORCPT ); Tue, 21 Apr 2020 10:29:28 -0400 Received: from localhost.localdomain (236.31.169.217.in-addr.arpa [217.169.31.236]) (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 03F4F206B8; Tue, 21 Apr 2020 14:29:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1587479368; bh=s5Sab4jJiJDHJIpjD4RvCm2z34zP3dXNvjG8qk3JShE=; h=From:To:Cc:Subject:Date:From; b=lzpP1FSGfbR/3p7IVdtgVFBf7t6Kgb/fybDrn+J9ySJZy9hpI+kFaRHIz2yOU8hg2 iFs6Ze2Hxjz3yyrg2ROMU9YOm0b6kqPKS5d1zkqvyTFq9vAZ4aCtJC4y4oFavDrM7G n64/U9FpYOqS9ta9AX9SxGMl0ruF1YCwnqJsD1i8= From: Will Deacon To: linux-arm-kernel@lists.infradead.org, kvmarm@lists.cs.columbia.edu Cc: linux-kernel@vger.kernel.org, Will Deacon , Suzuki K Poulose , Mark Rutland , Marc Zyngier , Anshuman Khandual , Catalin Marinas , Sai Prakash Ranjan , Doug Anderson , kernel-team@android.com Subject: [PATCH v2 0/8] Relax sanity checking for mismatched AArch32 EL1 Date: Tue, 21 Apr 2020 15:29:14 +0100 Message-Id: <20200421142922.18950-1-will@kernel.org> X-Mailer: git-send-email 2.20.1 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 Hi folks, This is version two of the patches I previously posted here: https://lore.kernel.org/lkml/20200414213114.2378-1-will@kernel.org/ Changes since v1 include: * Typo fixes * Added comment to update_32bit_cpu_features() callsite regarding sanitisation * Extended comment in final patch to mention KVM * Add acks/tested-bys Cheers, Will Cc: Suzuki K Poulose Cc: Mark Rutland Cc: Marc Zyngier Cc: Anshuman Khandual Cc: Catalin Marinas Cc: Sai Prakash Ranjan Cc: Doug Anderson Cc: kernel-team@android.com --->8 Sai Prakash Ranjan (1): arm64: cpufeature: Relax check for IESB support Will Deacon (7): arm64: cpufeature: Spell out register fields for ID_ISAR4 and ID_PFR1 arm64: cpufeature: Add CPU capability for AArch32 EL1 support arm64: cpufeature: Remove redundant call to id_aa64pfr0_32bit_el0() arm64: cpufeature: Factor out checking of AArch32 features arm64: cpufeature: Relax AArch32 system checks if EL1 is 64-bit only arm64: cpufeature: Relax checks for AArch32 support at EL[0-2] arm64: cpufeature: Add an overview comment for the cpufeature framework arch/arm64/include/asm/cpucaps.h | 3 +- arch/arm64/include/asm/cpufeature.h | 7 + arch/arm64/include/asm/sysreg.h | 18 ++ arch/arm64/kernel/cpufeature.c | 247 +++++++++++++++++++++------- arch/arm64/kvm/reset.c | 12 +- 5 files changed, 217 insertions(+), 70 deletions(-) -- 2.26.1.301.g55bc3eb7cb9-goog