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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 61408C433EF for ; Wed, 27 Oct 2021 08:00:52 +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 D42A3610C7 for ; Wed, 27 Oct 2021 08:00:51 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org D42A3610C7 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=linux-m68k.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.infradead.org 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:MIME-Version:Message-ID:In-Reply-To: Date:References:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=A2bfkgUdg5QZb8FVBHNV9IriN5Q41WZcEej5zrpQwVU=; b=p18uRTYgwO7RSG Gu6K+BerposSG/AwGyXbYkyv+jqN74NGjPdeiH1gaP/bnxzM8yny0gskwM9wlsQHU8zRtQ60l6avS qxmCIL1zcsy3hRHcpBM8mJ/QjsqCDoDTQeF3gkhhng8LP1mqxLWOW1Pst0Ej6BeA0K6cbBaUQS1yx YWd8/W6HRyLT40Fx9fkaJMT+C4qQFtubMc69HIBJ3t1Ew0jupKroA/Q5oxywPwEXZRmZ37BqUby71 qtLrUBSdaIKPmwhbfkPr3NJZXtfom6HOV04OGECEO5tLtQmEK//mxuyGYiXci6yWN10Iq0sJTh+dq fxSgfLB3BvcAqAPU9zmw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mfdrZ-004FVd-8x; Wed, 27 Oct 2021 08:00:45 +0000 Received: from mail-out.m-online.net ([212.18.0.9]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1mfdrW-004FU4-72 for linux-riscv@lists.infradead.org; Wed, 27 Oct 2021 08:00:44 +0000 Received: from frontend01.mail.m-online.net (unknown [192.168.8.182]) by mail-out.m-online.net (Postfix) with ESMTP id 4HfLhx2vHqz1qwdr; Wed, 27 Oct 2021 10:00:33 +0200 (CEST) Received: from localhost (dynscan1.mnet-online.de [192.168.6.70]) by mail.m-online.net (Postfix) with ESMTP id 4HfLhx1z0dz1qqkG; Wed, 27 Oct 2021 10:00:33 +0200 (CEST) X-Virus-Scanned: amavisd-new at mnet-online.de Received: from mail.mnet-online.de ([192.168.8.182]) by localhost (dynscan1.mail.m-online.net [192.168.6.70]) (amavisd-new, port 10024) with ESMTP id lnOeicQQ8Db8; Wed, 27 Oct 2021 10:00:32 +0200 (CEST) X-Auth-Info: x+8QjqTD1V1ACKg/WDk8SUlDVnu/BmJKfvIHSrNqoqQSSJ4hj/hMiZjB0S6pDmtP Received: from igel.home (ppp-46-244-163-205.dynamic.mnet-online.de [46.244.163.205]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.mnet-online.de (Postfix) with ESMTPSA; Wed, 27 Oct 2021 10:00:32 +0200 (CEST) Received: by igel.home (Postfix, from userid 1000) id 901CE2C0C9B; Wed, 27 Oct 2021 10:00:31 +0200 (CEST) From: Andreas Schwab To: Palmer Dabbelt Cc: alex@ghiti.fr, Paul Walmsley , aou@eecs.berkeley.edu, linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, kernel-team@android.com, Palmer Dabbelt Subject: Re: [PATCH] RISC-V: Make CONFIG_RELOCATABLE user selectable References: <20211026212847.43108-1-palmer@dabbelt.com> X-Yow: My ELBOW is a remote FRENCH OUTPOST!! Date: Wed, 27 Oct 2021 10:00:31 +0200 In-Reply-To: <20211026212847.43108-1-palmer@dabbelt.com> (Palmer Dabbelt's message of "Tue, 26 Oct 2021 14:28:47 -0700") Message-ID: <87mtmuaodc.fsf@igel.home> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.2 (gnu/linux) MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211027_010042_456650_14B973FB X-CRM114-Status: GOOD ( 12.54 ) X-BeenThere: linux-riscv@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-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org On Okt 26 2021, Palmer Dabbelt wrote: > +config RELOCATABLE > + bool "Build a relocatable kernel" > + depends on MMU && 64BIT && !XIP_KERNEL > + help > + This builds a kernel as a Position Independent Executable (PIE), > + which retains all relocation metadata required to relocate the > + kernel binary at runtime to a different virtual address than the > + address it was linked at. > + Since RISCV uses the RELA relocation format, this requires a > + relocation pass at runtime even if the kernel is loaded at the > + same address it was linked at. When in doubt, do what? Andreas. -- Andreas Schwab, schwab@linux-m68k.org GPG Key fingerprint = 7578 EB47 D4E5 4D69 2510 2552 DF73 E780 A9DA AEC1 "And now for something completely different." _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv