Received: by 2002:ac0:a594:0:0:0:0:0 with SMTP id m20-v6csp3286715imm; Fri, 25 May 2018 03:06:25 -0700 (PDT) X-Google-Smtp-Source: AB8JxZo3I9TtguTFigKg0HvuY9jDpE1Lucx38C9zj9KGzbRR8y0AVGcLU9SfAeHsisvxNGTPXkyE X-Received: by 2002:a62:8a5b:: with SMTP id y88-v6mr1878178pfd.103.1527242785656; Fri, 25 May 2018 03:06:25 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1527242785; cv=none; d=google.com; s=arc-20160816; b=nui+wq2htROwJgQWHgl/qceOplMgJcfG96goPy4RjyuRFxGt/GcOjiKnYJPnpC8Zy6 AExLfLKVf9NwBVDoUqiAdOZeYUljNILXE6XhmauW2IBZDhwm0zOzR1hyQhkBk59q40F5 lox2L4QyhhNHX9LTBZDH/Rcnlz4VjR7kjGBX6IEJUGp3qaxgblFQD+4Q9p2HktgYMTQc 1a39CJTiqBa0lzCxfbIXq4mq9rWhhhoN0obmQVcZBfzhpvBmI/LXiupTZcneOw4HnBKH JjZioRjMLHO+JRvp6NUZMn5wBBRiLBGR0Mv2fYM9GLgte9DvHtQSZDU8liCGmiM3M7th Ih3A== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-transfer-encoding :content-language:in-reply-to:mime-version:user-agent:date :message-id:from:references:cc:to:subject:arc-authentication-results; bh=r6iH90fBln8oV5hNi8voIAUx6I2D1mRnOSiwjPYW5nY=; b=JCVI9eUZ3zgTxArXPwYnniz0PcyEOWyWADWyPYwxtbKFxfOneU3QpR4s8fsPh64pib u+8eDxKeT7262HmuBcuzj8CgYCRNHvQhQdo8Zd6IkSgASKuUD0m+gMIV3UElodyqG07q L3S2bW6U1B1uazIH0qhcrweoyQ8Fy3hOUBpZL4tf8pOe0BresvqpEMsxdPxjmCxbsXdi bbhJMcQMN9NfFgT8GwapVVAbizeRKyJXVRn99NhcgaiL9teQCtVj+x1LaEhhGg5haHzs QUhq+0e/5A+IatnfGbziW4Rd/hACUya9qvcRM+XOslbndVI2gZr7qYvCHptS5gz+zbJE /HmQ== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id d124-v6si23437696pfc.176.2018.05.25.03.06.10; Fri, 25 May 2018 03:06:25 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965710AbeEYKE4 (ORCPT + 99 others); Fri, 25 May 2018 06:04:56 -0400 Received: from foss.arm.com ([217.140.101.70]:58324 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S965291AbeEYKEz (ORCPT ); Fri, 25 May 2018 06:04:55 -0400 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.72.51.249]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id D193F80D; Fri, 25 May 2018 03:04:54 -0700 (PDT) Received: from [10.1.206.73] (en101.cambridge.arm.com [10.1.206.73]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 6F98A3F25D; Fri, 25 May 2018 03:04:52 -0700 (PDT) Subject: Re: [PATCH v4 02/26] arm64: cpufeature: Add cpufeature for IRQ priority masking To: Julien Thierry , linux-arm-kernel@lists.infradead.org Cc: linux-kernel@vger.kernel.org, daniel.thompson@linaro.org, joel@joelfernandes.org, marc.zyngier@arm.com, mark.rutland@arm.com, christoffer.dall@arm.com, james.morse@arm.com, catalin.marinas@arm.com, will.deacon@arm.com References: <1527241772-48007-1-git-send-email-julien.thierry@arm.com> <1527241772-48007-3-git-send-email-julien.thierry@arm.com> From: Suzuki K Poulose Message-ID: Date: Fri, 25 May 2018 11:04:50 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.7.0 MIME-Version: 1.0 In-Reply-To: <1527241772-48007-3-git-send-email-julien.thierry@arm.com> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 25/05/18 10:49, Julien Thierry wrote: > Add a cpufeature indicating whether a cpu supports masking interrupts > by priority. How is this different from the SYSREG_GIC_CPUIF cap ? Is it just the description ? Suzuki