From patchwork Sun Mar 25 22:18:38 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shea Levy X-Patchwork-Id: 890708 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=lists.infradead.org (client-ip=2607:7c80:54:e::133; helo=bombadil.infradead.org; envelope-from=linux-snps-arc-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=shealevy.com Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="aSlwvVVi"; dkim-atps=neutral Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2607:7c80:54:e::133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 408XF91q2sz9s0R for ; Mon, 26 Mar 2018 09:36:29 +1100 (AEDT) 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:MIME-Version:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:References: In-Reply-To:Message-Id:Date:Subject:To:From:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Owner; bh=qZoku/27B22X2XS3F2ZWRxiMr+WSyEZe61At0t43n3I=; b=aSlwvVViZYhhe84t2VC4lNe6VZ N5y5+G9JfjbqobbaDNLxWnUcbFRKNd36O6i6NT09TP++dXEtSYLUZeBc14APQyMiiDtE1h9RqRbsR CSsTvzHSIOJeqq3aj1uAMFBM2mvAvM54p/vqG+QxqZYPKx7BTJ1t74UjQbqOV3kjGb6CQCLH/m9XT zx6AOBSnTil4NDKQVlAOy4s5y1uPtLx0W1DB5ulZPjV/SoBAhU622o541zQL/hFsMXkQWRRS6Hqir 7yHHJc2Rwz0ixmK5+Iim4Miruq6v6vH1LnrZyGTLZCxrp38YoxSCVdNwz2EtUg+6X2Bq4o/YL6ptQ RIjqr2WQ==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1f0EFU-0004Fz-T3; Sun, 25 Mar 2018 22:36:24 +0000 Received: from smtprelay0252.hostedemail.com ([216.40.44.252] helo=smtprelay.hostedemail.com) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1f0Dyx-0002jI-5b; Sun, 25 Mar 2018 22:19:21 +0000 Received: from filter.hostedemail.com (clb03-v110.bra.tucows.net [216.40.38.60]) by smtprelay01.hostedemail.com (Postfix) with ESMTP id D85C0100E86C3; Sun, 25 Mar 2018 22:19:03 +0000 (UTC) X-Session-Marker: 7368656140736865616C6576792E636F6D X-Spam-Summary: 2, 0, 0, , d41d8cd98f00b204, , :::::::::::::::::::::::::::, RULES_HIT:41:355:379:541:800:960:966:973:988:989:1260:1345:1359:1437:1534:1541:1711:1730:1747:1777:1792:1978:1981:2194:2196:2199:2200:2393:2559:2562:3138:3139:3140:3141:3142:3352:3876:3877:4321:4385:4605:5007:6114:6261:6642:6737:10004:10848:11026:11473:11658:11914:12043:12048:12296:12438:12533:12555:12895:12986:13069:13255:13311:13357:14096:14181:14384:14394:14721:21080:21451:21627:30012:30054, 0, RBL:71.235.10.46:@shealevy.com:.lbl8.mailshell.net-62.4.0.191 64.201.201.201, CacheIP:none, Bayesian:0.5, 0.5, 0.5, Netcheck:none, DomainCache:0, MSF:not bulk, SPF:ff, MSBL:0, DNSBL:neutral, Custom_rules:0:0:0, LFtime:21, LUA_SUMMARY:none X-HE-Tag: walk92_31e9e257fef21 X-Filterd-Recvd-Size: 2167 Received: from localhost (c-71-235-10-46.hsd1.nh.comcast.net [71.235.10.46]) (Authenticated sender: shea@shealevy.com) by omf08.hostedemail.com (Postfix) with ESMTPA; Sun, 25 Mar 2018 22:19:02 +0000 (UTC) From: Shea Levy To: linux-alpha@vger.kernel.org, linux-kernel@vger.kernel.org, linux-snps-arc@lists.infradead.org, linux-c6x-dev@linux-c6x.org, uclinux-h8-devel@lists.sourceforge.jp, linux-m68k@lists.linux-m68k.org, nios2-dev@lists.rocketboards.org, openrisc@lists.librecores.org, linux-parisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-riscv@lists.infradead.org, linux-sh@vger.kernel.org, user-mode-linux-devel@lists.sourceforge.net Subject: [PATCH v2 01/16] initrd: Add generic code path for common initrd unloading logic. Date: Sun, 25 Mar 2018 18:18:38 -0400 Message-Id: <20180325221853.10839-2-shea@shealevy.com> X-Mailer: git-send-email 2.16.2 In-Reply-To: <20180325221853.10839-1-shea@shealevy.com> References: <20180324174458.26423-1-shea@shealevy.com> <20180325221853.10839-1-shea@shealevy.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20180325_151919_472724_B0D001B2 X-CRM114-Status: UNSURE ( 6.01 ) X-CRM114-Notice: Please train this message. X-Spam-Score: 2.5 (++) X-Spam-Report: SpamAssassin version 3.4.1 on bombadil.infradead.org summary: Content analysis details: (2.5 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at http://www.dnswl.org/, no trust [216.40.44.252 listed in list.dnswl.org] -0.0 SPF_PASS SPF: sender matches SPF record 2.5 SUSPICIOUS_RECIPS Similar addresses in recipient list X-BeenThere: linux-snps-arc@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: Linux on Synopsys ARC Processors List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Shea Levy MIME-Version: 1.0 Sender: "linux-snps-arc" Errors-To: linux-snps-arc-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org Signed-off-by: Shea Levy --- init/initramfs.c | 7 +++++++ usr/Kconfig | 4 ++++ 2 files changed, 11 insertions(+) diff --git a/init/initramfs.c b/init/initramfs.c index 7e99a0038942..5f2e3dba4822 100644 --- a/init/initramfs.c +++ b/init/initramfs.c @@ -526,6 +526,13 @@ extern unsigned long __initramfs_size; #include #include +#ifdef CONFIG_INITRAMFS_GENERIC_UNLOAD +void __init free_initrd_mem(unsigned long start, unsigned long end) +{ + free_reserved_area((void *)start, (void *)end, -1, "initrd"); +} +#endif + static void __init free_initrd(void) { #ifdef CONFIG_KEXEC_CORE diff --git a/usr/Kconfig b/usr/Kconfig index 43658b8a975e..fd79d4d6fa26 100644 --- a/usr/Kconfig +++ b/usr/Kconfig @@ -233,3 +233,7 @@ config INITRAMFS_COMPRESSION default ".lzma" if RD_LZMA default ".bz2" if RD_BZIP2 default "" + +# Arches can select this for a generic initrd unloading codepath +config INITRAMFS_GENERIC_UNLOAD + bool