From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S964888AbcDNQuY (ORCPT ); Thu, 14 Apr 2016 12:50:24 -0400 Received: from foss.arm.com ([217.140.101.70]:44516 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S964837AbcDNQuX (ORCPT ); Thu, 14 Apr 2016 12:50:23 -0400 Subject: Re: [PATCH v3 5/7] arm64: cpufeature: Track 32bit EL0 support To: Will Deacon References: <1459445255-15653-1-git-send-email-suzuki.poulose@arm.com> <1459445255-15653-6-git-send-email-suzuki.poulose@arm.com> <20160414164305.GH4584@arm.com> Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, mark.rutland@arm.com, marc.zyngier@arm.com, ynorov@caviumnetworks.com From: Suzuki K Poulose Message-ID: <570FCA4C.4020208@arm.com> Date: Thu, 14 Apr 2016 17:50:20 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.2.0 MIME-Version: 1.0 In-Reply-To: <20160414164305.GH4584@arm.com> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 14/04/16 17:43, Will Deacon wrote: > On Thu, Mar 31, 2016 at 06:27:33PM +0100, Suzuki K Poulose wrote: >> Add cpu_hwcap bit for keeping track of the support for 32bit EL0. >> >> return id_aa64mmfr0_mixed_endian_el0(read_system_reg(SYS_ID_AA64MMFR0_EL1)); >> diff --git a/arch/arm64/kernel/cpufeature.c b/arch/arm64/kernel/cpufeature.c >> index cfc0cfd..739314b 100644 >> --- a/arch/arm64/kernel/cpufeature.c >> +++ b/arch/arm64/kernel/cpufeature.c >> @@ -733,6 +733,15 @@ static const struct arm64_cpu_capabilities arm64_features[] = { >> .capability = ARM64_HAS_VIRT_HOST_EXTN, >> .matches = runs_at_el2, >> }, >> + { >> + .desc = "32bit EL0 Support", > > Nit: missing hyphen (32-bit). OK, can change it. Suzuki