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 F1D89C433DF for ; Fri, 12 Jun 2020 08:50:43 +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 C391A207F7 for ; Fri, 12 Jun 2020 08:50:43 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="ZqJQ+hK9"; dkim=fail reason="signature verification failed" (2048-bit key) header.d=armlinux.org.uk header.i=@armlinux.org.uk header.b="Rf4oli5+" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C391A207F7 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=armlinux.org.uk 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=hX1XNoSQ+IyEsCpVfwl+MVKTfFe4wvQn5OlgOc6iqes=; b=ZqJQ+hK9t95ToF RpAreB1SdITfkEAVdQuyD1LwhgHl+bhWzrnRJgLgtZ0OVJswMU2Uj6lOVNey7MBEmnrEMLDbG7JMi +g0vFFJAuFcBwHNayPfvM6phvQYvlAuicuhdJ6FhxctZjNV2fpya1DJRV/ggWfdd4PpR4rkYNCLKf c70FuuSaDbPk/EnRyNy79SmLIHT0jSemMrtzFJm8CD3aPSF5CZC3YsBe5Hi10kjBnHQMltKIKrELY eCzdXoYaKHNGDa889CdgHCP/V6hg/QKtJCQ/m9ZRbIgQbD/Z1WlvOxKYfdalI0E7tuOWIwkLDkQtB sxx5UhcraAdeBBILF6gA==; 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 1jjfOX-0001xu-CN; Fri, 12 Jun 2020 08:50:37 +0000 Received: from pandora.armlinux.org.uk ([2001:4d48:ad52:32c8:214:fdff:fe10:1be6]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1jjfOU-0001xQ-OA for linux-arm-kernel@lists.infradead.org; Fri, 12 Jun 2020 08:50:36 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=armlinux.org.uk; s=pandora-2019; h=Sender:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id: List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=sqBkIWUSNZ1jg18nFt7eOpYXVZqfFGVvMa6vV/F3pjI=; b=Rf4oli5+RaoXrrFVtMmM10Iq3 08Mni1lz5he/f+6NOLQjBTBB6bnLkFzASWuIXr9YgbiTNhJjnh+o0MixuX3DuhIvNymcsZ6BKE3Gu q4zni/VpBwkNdFrf/PePcFYx3u+tV4zbRLEy+xwi+wZuTmPGEViWvUOMRF1JL3F/0TNKB1WAza2EU m1ZfBXt/jGwjnyO93JG1HtMZOvJJMglN2WwNe7M/BeqO49EgSd4qxunEvndB8nwd9YTEt3LR2t5KF Cc2kqXBxsudldEcWhZ89c+ZD0VHuFWt09On3XMI1gIvy1PhVMiGm544tSQTIcpt2X+fHQUxwwlogs Oc84L73vw==; Received: from shell.armlinux.org.uk ([fd8f:7570:feb6:1:5054:ff:fe00:4ec]:44544) by pandora.armlinux.org.uk with esmtpsa (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jjfOQ-0002QB-4a; Fri, 12 Jun 2020 09:50:30 +0100 Received: from linux by shell.armlinux.org.uk with local (Exim 4.92) (envelope-from ) id 1jjfOP-00067O-Ho; Fri, 12 Jun 2020 09:50:29 +0100 Date: Fri, 12 Jun 2020 09:50:29 +0100 From: Russell King - ARM Linux admin To: Arnd Bergmann Subject: Re: [PATCH v2 1/6] ARM: Use PAGE_SIZE for ELF_EXEC_PAGESIZE Message-ID: <20200612085029.GD1551@shell.armlinux.org.uk> References: <20200611134914.765827-1-gregory.clement@bootlin.com> <20200611134914.765827-2-gregory.clement@bootlin.com> <20200612083510.GB1551@shell.armlinux.org.uk> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: 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-20200612_015034_786262_EF31E87D X-CRM114-Status: UNSURE ( 8.90 ) X-CRM114-Notice: Please train this message. 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: Gregory CLEMENT , Thomas Petazzoni , Linux ARM 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 Fri, Jun 12, 2020 at 10:46:17AM +0200, Arnd Bergmann wrote: > Correction: I was thinking of SHMLBA, not ELF_EXEC_PAGESIZE. > SHMLBA is defined to 16KB in arch/arm/ at the moment (based on 4K > page size), or (4 * PAGE_SIZE) on arm64, which can blow up to 256KB. > > AFAICT, SHMLBA should now be defined as "min(16384, PAGE_SIZE)". Yes, because the 16k comes from the aliasing VIPT cache to avoid aliases. -- RMK's Patch system: https://www.armlinux.org.uk/developer/patches/ FTTP is here! 40Mbps down 10Mbps up. Decent connectivity at last! _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel