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=-2.1 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, 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 52181C7618B for ; Mon, 29 Jul 2019 14:33:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 24618216C8 for ; Mon, 29 Jul 2019 14:33:03 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="kvEqu8lI" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728314AbfG2OdC (ORCPT ); Mon, 29 Jul 2019 10:33:02 -0400 Received: from bombadil.infradead.org ([198.137.202.133]:48646 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727034AbfG2OdB (ORCPT ); Mon, 29 Jul 2019 10:33:01 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20170209; h=In-Reply-To:Content-Type:MIME-Version :References:Message-ID:Subject:Cc:To:From:Date:Sender: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=1Qg4ugmQtTe6Jeu2janlNWnIvWzDuxv0JhGbvOZJApQ=; b=kvEqu8lIKNg3YVqWqPEw2/3Ef y1fnYT8Taww0z//ZgQ7QYqmocWNLDKRrGSQ8/M/wanZx7bA/Hle3i04bGRo2t+gfVHKpuhd8Tm4fq LzhbJ/fD04hxID9rhr/4uKUB9Z7nVIqnX4tWA7NbSDh0oNsJyGUg67I61bW7824DqgrXPj+SvzjSh 2oYczPWXn7b03CdKoQFOWxRU83ICc2vboQZvCdK4PXZp2k5s59QoldBUXuEPwFJAgY1Vk9tdyeh/r B00n0Q5SY8OAMeA4TOMOCjPPaRWDF+kzzigGj6E+nS89LDXnpteW+2DDu0exatN7HxC4LdcD4CnYx fBn5Jtv7A==; Received: from hch by bombadil.infradead.org with local (Exim 4.92 #3 (Red Hat Linux)) id 1hs6hY-0008Bk-5V; Mon, 29 Jul 2019 14:32:36 +0000 Date: Mon, 29 Jul 2019 07:32:36 -0700 From: Christoph Hellwig To: Jason Yan Cc: mpe@ellerman.id.au, linuxppc-dev@lists.ozlabs.org, diana.craciun@nxp.com, christophe.leroy@c-s.fr, benh@kernel.crashing.org, paulus@samba.org, npiggin@gmail.com, keescook@chromium.org, kernel-hardening@lists.openwall.com, wangkefeng.wang@huawei.com, linux-kernel@vger.kernel.org, jingxiangfeng@huawei.com, thunder.leizhen@huawei.com, fanchengyang@huawei.com, yebin10@huawei.com Subject: Re: [RFC PATCH 03/10] powerpc: introduce kimage_vaddr to store the kernel base Message-ID: <20190729143236.GB11737@infradead.org> References: <20190717080621.40424-1-yanaijie@huawei.com> <20190717080621.40424-4-yanaijie@huawei.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190717080621.40424-4-yanaijie@huawei.com> User-Agent: Mutt/1.11.4 (2019-03-13) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Jul 17, 2019 at 04:06:14PM +0800, Jason Yan wrote: > Now the kernel base is a fixed value - KERNELBASE. To support KASLR, we > need a variable to store the kernel base. This should probably merged into the patch actually using it.