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=-2.3 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,USER_AGENT_SANE_1 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 0C257C33CB1 for ; Wed, 15 Jan 2020 14:26:31 +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 CE0392073A for ; Wed, 15 Jan 2020 14:26:30 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="R6zA96YG" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org CE0392073A 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:In-Reply-To:MIME-Version:References: Message-ID:Subject:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=vggdwZzMEMjE7skkr64rvQrH3vam8i115K5xsl2xEUo=; b=R6zA96YGQ6vsC6 uEFCv6UFGx8WjQSAqtYngssCjhvFTRu/rWRiPmTsWUT4EUtiRePqHcNVd8g/CuB0+cTMOv2c6BbcC kY4Orq9ySuWPKlm2F+5zQvHME13rdNOhSsxvyECDIvFxeETYehtTLlc3r2hSlC3nyBYHcLmOydI2h ByBMc4gc17oS82NRUXRdK4oVEa2gnYapBKoF/l08DVgryuBrn9aSr6B73EiaRnfdpiPxD3lnFI6P0 0psKFOIkAEPkajTJT+vrhj6VfCITQ/wUmMZub4eHpZGum2NdD7CfSGGZ+B3+2r4VC3Drb2emBbmXe VFfzVSZpBrBW64Ij4hPQ==; 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 1irjcm-0006nS-E8; Wed, 15 Jan 2020 14:26:24 +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 1irjce-0006mU-UM for linux-arm-kernel@lists.infradead.org; Wed, 15 Jan 2020 14:26:23 +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 8ED4A31B; Wed, 15 Jan 2020 06:26:14 -0800 (PST) Received: from arrakis.emea.arm.com (arrakis.cambridge.arm.com [10.1.197.42]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 976B73F68E; Wed, 15 Jan 2020 06:26:13 -0800 (PST) Date: Wed, 15 Jan 2020 14:26:11 +0000 From: Catalin Marinas To: Mark Brown Subject: Re: [PATCH v10 1/3] arm64: Implement archrandom.h for ARMv8.5-RNG Message-ID: <20200115142611.GC3429@arrakis.emea.arm.com> References: <20200110122341.8445-1-broonie@kernel.org> <20200110122341.8445-2-broonie@kernel.org> <20200114174432.GG2579@willie-the-truck> <20200115091651.GB21692@willie-the-truck> <20200115110720.GG3897@sirena.org.uk> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20200115110720.GG3897@sirena.org.uk> User-Agent: Mutt/1.10.1 (2018-07-13) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200115_062617_018620_9EE61AD7 X-CRM114-Status: GOOD ( 14.42 ) 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: Mark Rutland , Richard Henderson , Will Deacon , linux-arm-kernel , Ard Biesheuvel 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 On Wed, Jan 15, 2020 at 11:07:20AM +0000, Mark Brown wrote: > On Wed, Jan 15, 2020 at 10:24:21AM +0100, Ard Biesheuvel wrote: > > On Wed, 15 Jan 2020 at 10:16, Will Deacon wrote: > > > > I see your argument, but I was just going on the side of consistency because > > > we're continuing to expose other features as HWCAPs when the capability is > > > just a proxy for the cpuid field. I was in favour of stopping the addition > > > of such HWCAPs years ago, but I couldn't convince Catalin ;) > > > > The way I see it, we'll soon run out of HWCAP2 bits and then we'll have > > > our hand forced. > > > I don't have a strong opinion either way. > > Me either, or at least not enough to object to doing it - Will? > Catalin? Until the ifunc resolver can work with CPUID, I think we should keep adding HWCAPn bits. We can revisit this with the toolchain people before introducing HWCAP3. -- Catalin _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel