From patchwork Wed Jul 14 12:50:18 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Geert Uytterhoeven X-Patchwork-Id: 12376851 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=-17.4 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham 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 C4FB9C07E9A for ; Wed, 14 Jul 2021 12:51:53 +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 88E1C613B6 for ; Wed, 14 Jul 2021 12:51:53 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 88E1C613B6 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=glider.be Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-riscv-bounces+linux-riscv=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.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date: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=uZtFnkqGqvy50rRDkBYGXgF0cqhf1LqqNdmWbcF0jmw=; b=tNpiFDp658zTB9 PxFEBQd7JXIpieAsv5+3bzA+OgdonyXTD+HZueyf5/p4I3cQbReaX254B2m/GayseItQxBeq3W7uH dg37orgC8TyR+KDwkm7LN5TfOqlEY2M2SwQLy5v2fs0mkfGLgrVfbyIOL8u3d0i5jTOAELiLGM1lu 2vR2XYQk+KUfNHznGj+nbi3lPNb0hIQCSZJz3P/j1P1NxxJII5vpip3s2tzBsz+KV5C3H3kKO95K8 nK+esFxLWT1soCdLmMAhAJTbSNt0sD7OOOOnRUhN7EsMY8I5W0JXSZX/f8RKDjT5REOuZBLt13VnU kO84Nq6dkGD+bLP9g9OQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1m3eMV-00Dbe1-R0; Wed, 14 Jul 2021 12:51:39 +0000 Received: from baptiste.telenet-ops.be ([2a02:1800:120:4::f00:13]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1m3eLl-00DbGU-2R for linux-riscv@lists.infradead.org; Wed, 14 Jul 2021 12:50:56 +0000 Received: from ramsan.of.borg ([IPv6:2a02:1810:ac12:ed10:39cc:190a:2775:cfe7]) by baptiste.telenet-ops.be with bizsmtp id V0qX2500E1ccfby010qXMw; Wed, 14 Jul 2021 14:50:49 +0200 Received: from rox.of.borg ([192.168.97.57]) by ramsan.of.borg with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.93) (envelope-from ) id 1m3eLO-0018dT-Vc; Wed, 14 Jul 2021 14:50:31 +0200 Received: from geert by rox.of.borg with local (Exim 4.93) (envelope-from ) id 1m3eLN-00AaEe-S6; Wed, 14 Jul 2021 14:50:29 +0200 From: Geert Uytterhoeven To: Rob Herring , Russell King , Nicolas Pitre , Ard Biesheuvel , Linus Walleij , Catalin Marinas , Will Deacon , Nick Kossifidis , Paul Walmsley , Palmer Dabbelt , Albert Ou , Frank Rowand , Dave Young , Mike Rapoport Cc: Baoquan He , Vivek Goyal , Andrew Morton , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-riscv@lists.infradead.org, kexec@lists.infradead.org, linux-mm@kvack.org, linux-renesas-soc@vger.kernel.org, linux-kernel@vger.kernel.org, Geert Uytterhoeven Subject: [PATCH v4 08/10] arm64: kdump: Remove custom linux, usable-memory-range parsing Date: Wed, 14 Jul 2021 14:50:18 +0200 Message-Id: <8ee4eacc4ce00b95fdb4b28daf3eb597212c5941.1626266516.git.geert+renesas@glider.be> X-Mailer: git-send-email 2.25.1 In-Reply-To: References: MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210714_055053_429512_4C9FF267 X-CRM114-Status: GOOD ( 12.73 ) 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: , Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org Remove the architecture-specific code for parsing the "linux,usable-memory-range" property under the "/chosen" node in DT, as the platform-agnostic handling in the FDT core code already takes care of this. Signed-off-by: Geert Uytterhoeven --- v4: - New. --- arch/arm64/mm/init.c | 34 +--------------------------------- 1 file changed, 1 insertion(+), 33 deletions(-) diff --git a/arch/arm64/mm/init.c b/arch/arm64/mm/init.c index 946e246660f2b180..f90ba99437c0f3c9 100644 --- a/arch/arm64/mm/init.c +++ b/arch/arm64/mm/init.c @@ -227,44 +227,12 @@ static int __init early_mem(char *p) } early_param("mem", early_mem); -static int __init early_init_dt_scan_usablemem(unsigned long node, - const char *uname, int depth, void *data) -{ - struct memblock_region *usablemem = data; - const __be32 *reg; - int len; - - if (depth != 1 || strcmp(uname, "chosen") != 0) - return 0; - - reg = of_get_flat_dt_prop(node, "linux,usable-memory-range", &len); - if (!reg || (len < (dt_root_addr_cells + dt_root_size_cells))) - return 1; - - usablemem->base = dt_mem_next_cell(dt_root_addr_cells, ®); - usablemem->size = dt_mem_next_cell(dt_root_size_cells, ®); - - return 1; -} - -static void __init fdt_enforce_memory_region(void) -{ - struct memblock_region reg = { - .size = 0, - }; - - of_scan_flat_dt(early_init_dt_scan_usablemem, ®); - - if (reg.size) - memblock_cap_memory_range(reg.base, reg.size); -} - void __init arm64_memblock_init(void) { const s64 linear_region_size = PAGE_END - _PAGE_OFFSET(vabits_actual); /* Handle linux,usable-memory-range property */ - fdt_enforce_memory_region(); + memblock_cap_memory_range(cap_mem_addr, cap_mem_size); /* Remove memory above our supported physical address size */ memblock_remove(1ULL << PHYS_MASK_SHIFT, ULLONG_MAX);