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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id DA60DC7619A for ; Mon, 27 Mar 2023 13:08:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:Cc: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=FfI1UpuFPO4P9kCw+98bi4P9sIMs29qmgKWJ5euE++E=; b=SuKRwvAPDGjpvk rdK5Egne/wP2fP/R+04wbV/gBOP/s/Zbi4eK7oz0igBhuucBQc1f5zgpouEU4sd2Jv443xAxptD3p XMHuYTM1YRbReGLk8C6QZAWEoIiy/0Zc8O3SqEVn6TBW3UiPaxOjz9vuey6uBRQXLkG5XkISIVNhK c7qoJMlaPX0r+qQvgTbICCVGpGfLjgJANT1bTxW2sR07jK/40lGa/kM9n+IcQRv5jO71AsXJJVOPw AB7mz+sX8J6AFnV3WsNkBGTMJc46gcrn2Cy6u9ASJUb/YEC5eA9G+WTEk61V92F5YjGVoPDODIp+2 UxbeJQT122TZyxk70sXQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1pgmZM-00B3oj-1M; Mon, 27 Mar 2023 13:07:28 +0000 Received: from dfw.source.kernel.org ([2604:1380:4641:c500::1]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1pgmZJ-00B3oO-2r for linux-arm-kernel@lists.infradead.org; Mon, 27 Mar 2023 13:07:27 +0000 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 68AD36124E; Mon, 27 Mar 2023 13:07:25 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id D4271C433D2; Mon, 27 Mar 2023 13:07:22 +0000 (UTC) Date: Mon, 27 Mar 2023 14:07:20 +0100 From: Catalin Marinas To: Joey Gouly Cc: linux-arm-kernel@lists.infradead.org, nd@arm.com, broonie@kernel.org, james.morse@arm.com, mark.rutland@arm.com, maz@kernel.org, oliver.upton@linux.dev, suzuki.poulose@arm.com, will@kernel.org, yuzenghui@huawei.com Subject: Re: [PATCH v1 08/18] arm64: cpufeature: add Permission Indirection Extension cpucap Message-ID: References: <20230309145246.22787-1-joey.gouly@arm.com> <20230309145246.22787-9-joey.gouly@arm.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20230309145246.22787-9-joey.gouly@arm.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230327_060725_957847_461A714C X-CRM114-Status: UNSURE ( 9.36 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Thu, Mar 09, 2023 at 02:52:36PM +0000, Joey Gouly wrote: > This indicates if the system supports PIE. This is a CPUCAP_BOOT_CPU_FEATURE > as the boot CPU will enable PIE if it has it, so secondary CPUs must also > have this feature. In theory I think we could combine them CPUs with and without PIE (possibly a slight issue with DBM) but it's not worth the effort. Reviewed-by: Catalin Marinas _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel