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Tue, 28 Jul 2020 05:13:13 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from hemlock.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id maPLGRfGIJQJ for ; Tue, 28 Jul 2020 05:13:13 +0000 (UTC) X-Greylist: domain auto-whitelisted by SQLgrey-1.7.6 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by hemlock.osuosl.org (Postfix) with ESMTPS id 30B8E882A0 for ; Tue, 28 Jul 2020 05:13:13 +0000 (UTC) Received: from aquarius.haifa.ibm.com (nesher1.haifa.il.ibm.com [195.110.40.7]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id B649522B45; Tue, 28 Jul 2020 05:13:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1595913193; bh=w0NUYCkRPztxWdauIZ7iYp1zOp1jLcG8AD5t4PqIxsg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=YAjIiROU+83p25BDNEgIN9KISlKJXThut30Rs4cNno1O6shiBCHaHk29LQKLS7Ax5 Ejyf6BAz+viwYwWWCNj69uR3Ffj9ovcm+78DaXms94OZuxA4yw2XiA7huGDx/Xn9eG FxVpJAd03+F3yNWhAm0fZShWCJUQp1/pDjBxfrnc= From: Mike Rapoport To: Andrew Morton Subject: [PATCH 06/15] powerpc: fadamp: simplify fadump_reserve_crash_area() Date: Tue, 28 Jul 2020 08:11:44 +0300 Message-Id: <20200728051153.1590-7-rppt@kernel.org> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200728051153.1590-1-rppt@kernel.org> References: <20200728051153.1590-1-rppt@kernel.org> MIME-Version: 1.0 Cc: linux-sh@vger.kernel.org, Peter Zijlstra , Benjamin Herrenschmidt , Dave Hansen , linux-mips@vger.kernel.org, Max Filippov , Paul Mackerras , sparclinux@vger.kernel.org, linux-riscv@lists.infradead.org, Will Deacon , Stafford Horne , linux-s390@vger.kernel.org, linux-c6x-dev@linux-c6x.org, Yoshinori Sato , Michael Ellerman , x86@kernel.org, Russell King , Mike Rapoport , clang-built-linux@googlegroups.com, Ingo Molnar , Catalin Marinas , uclinux-h8-devel@lists.sourceforge.jp, linux-xtensa@linux-xtensa.org, openrisc@lists.librecores.org, Borislav Petkov , Andy Lutomirski , Paul Walmsley , Thomas Gleixner , linux-arm-kernel@lists.infradead.org, Michal Simek , linux-mm@kvack.org, linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org, iommu@lists.linux-foundation.org, Palmer Dabbelt , Christoph Hellwig , Mike Rapoport X-BeenThere: iommu@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Development issues for Linux IOMMU support List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: iommu-bounces@lists.linux-foundation.org Sender: "iommu" From: Mike Rapoport fadump_reserve_crash_area() reserves memory from a specified base address till the end of the RAM. Replace iteration through the memblock.memory with a single call to memblock_reserve() with appropriate that will take care of proper memory reservation. Signed-off-by: Mike Rapoport --- arch/powerpc/kernel/fadump.c | 20 +------------------- 1 file changed, 1 insertion(+), 19 deletions(-) diff --git a/arch/powerpc/kernel/fadump.c b/arch/powerpc/kernel/fadump.c index 78ab9a6ee6ac..2446a61e3c25 100644 --- a/arch/powerpc/kernel/fadump.c +++ b/arch/powerpc/kernel/fadump.c @@ -1658,25 +1658,7 @@ int __init fadump_reserve_mem(void) /* Preserve everything above the base address */ static void __init fadump_reserve_crash_area(u64 base) { - struct memblock_region *reg; - u64 mstart, msize; - - for_each_memblock(memory, reg) { - mstart = reg->base; - msize = reg->size; - - if ((mstart + msize) < base) - continue; - - if (mstart < base) { - msize -= (base - mstart); - mstart = base; - } - - pr_info("Reserving %lluMB of memory at %#016llx for preserving crash data", - (msize >> 20), mstart); - memblock_reserve(mstart, msize); - } + memblock_reserve(base, memblock_end_of_DRAM() - base); } unsigned long __init arch_reserved_kernel_pages(void) -- 2.26.2 _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu 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=-13.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable 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 7C22CC433EA for ; Tue, 28 Jul 2020 05:13:14 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5BF4F22BEF for ; Tue, 28 Jul 2020 05:13:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1595913194; bh=w0NUYCkRPztxWdauIZ7iYp1zOp1jLcG8AD5t4PqIxsg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=f/bAFEHfjZZH2kDJz1i6dreHabroBXJqSotFb7KlEH+ViASbntdlI1M1HgMcJ643t WLnJidZphsIXh0rN+FMohi/jaGcCJkoVWZwjI7AK/kvo4pJvDQ8eEaqYgXFni7paFe U1ncQlLfvfT4U03qJi6wPRz0gbr3wZaBs4sicQOg= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726907AbgG1FNO (ORCPT ); Tue, 28 Jul 2020 01:13:14 -0400 Received: from mail.kernel.org ([198.145.29.99]:35362 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726308AbgG1FNN (ORCPT ); Tue, 28 Jul 2020 01:13:13 -0400 Received: from aquarius.haifa.ibm.com (nesher1.haifa.il.ibm.com [195.110.40.7]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id B649522B45; Tue, 28 Jul 2020 05:13:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1595913193; bh=w0NUYCkRPztxWdauIZ7iYp1zOp1jLcG8AD5t4PqIxsg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=YAjIiROU+83p25BDNEgIN9KISlKJXThut30Rs4cNno1O6shiBCHaHk29LQKLS7Ax5 Ejyf6BAz+viwYwWWCNj69uR3Ffj9ovcm+78DaXms94OZuxA4yw2XiA7huGDx/Xn9eG FxVpJAd03+F3yNWhAm0fZShWCJUQp1/pDjBxfrnc= From: Mike Rapoport To: Andrew Morton Cc: Andy Lutomirski , Benjamin Herrenschmidt , Borislav Petkov , Catalin Marinas , Christoph Hellwig , Dave Hansen , Ingo Molnar , Marek Szyprowski , Max Filippov , Michael Ellerman , Michal Simek , Mike Rapoport , Mike Rapoport , Palmer Dabbelt , Paul Mackerras , Paul Walmsley , Peter Zijlstra , Russell King , Stafford Horne , Thomas Gleixner , Will Deacon , Yoshinori Sato , clang-built-linux@googlegroups.com, iommu@lists.linux-foundation.org, linux-arm-kernel@lists.infradead.org, linux-c6x-dev@linux-c6x.org, linux-kernel@vger.kernel.org, linux-mips@vger.kernel.org, linux-mm@kvack.org, linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org, linux-sh@vger.kernel.org, linux-xtensa@linux-xtensa.org, linuxppc-dev@lists.ozlabs.org, openrisc@lists.librecores.org, sparclinux@vger.kernel.org, uclinux-h8-devel@lists.sourceforge.jp, x86@kernel.org Subject: [PATCH 06/15] powerpc: fadamp: simplify fadump_reserve_crash_area() Date: Tue, 28 Jul 2020 08:11:44 +0300 Message-Id: <20200728051153.1590-7-rppt@kernel.org> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200728051153.1590-1-rppt@kernel.org> References: <20200728051153.1590-1-rppt@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-mips-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-mips@vger.kernel.org From: Mike Rapoport fadump_reserve_crash_area() reserves memory from a specified base address till the end of the RAM. Replace iteration through the memblock.memory with a single call to memblock_reserve() with appropriate that will take care of proper memory reservation. Signed-off-by: Mike Rapoport --- arch/powerpc/kernel/fadump.c | 20 +------------------- 1 file changed, 1 insertion(+), 19 deletions(-) diff --git a/arch/powerpc/kernel/fadump.c b/arch/powerpc/kernel/fadump.c index 78ab9a6ee6ac..2446a61e3c25 100644 --- a/arch/powerpc/kernel/fadump.c +++ b/arch/powerpc/kernel/fadump.c @@ -1658,25 +1658,7 @@ int __init fadump_reserve_mem(void) /* Preserve everything above the base address */ static void __init fadump_reserve_crash_area(u64 base) { - struct memblock_region *reg; - u64 mstart, msize; - - for_each_memblock(memory, reg) { - mstart = reg->base; - msize = reg->size; - - if ((mstart + msize) < base) - continue; - - if (mstart < base) { - msize -= (base - mstart); - mstart = base; - } - - pr_info("Reserving %lluMB of memory at %#016llx for preserving crash data", - (msize >> 20), mstart); - memblock_reserve(mstart, msize); - } + memblock_reserve(base, memblock_end_of_DRAM() - base); } unsigned long __init arch_reserved_kernel_pages(void) -- 2.26.2 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=-13.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable 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 3CF98C4345B for ; 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a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1595913193; bh=w0NUYCkRPztxWdauIZ7iYp1zOp1jLcG8AD5t4PqIxsg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=YAjIiROU+83p25BDNEgIN9KISlKJXThut30Rs4cNno1O6shiBCHaHk29LQKLS7Ax5 Ejyf6BAz+viwYwWWCNj69uR3Ffj9ovcm+78DaXms94OZuxA4yw2XiA7huGDx/Xn9eG FxVpJAd03+F3yNWhAm0fZShWCJUQp1/pDjBxfrnc= From: Mike Rapoport To: Andrew Morton Subject: [PATCH 06/15] powerpc: fadamp: simplify fadump_reserve_crash_area() Date: Tue, 28 Jul 2020 08:11:44 +0300 Message-Id: <20200728051153.1590-7-rppt@kernel.org> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200728051153.1590-1-rppt@kernel.org> References: <20200728051153.1590-1-rppt@kernel.org> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200728_011313_896339_9C461BFA X-CRM114-Status: GOOD ( 15.58 ) X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-sh@vger.kernel.org, Peter Zijlstra , Benjamin Herrenschmidt , Dave Hansen , linux-mips@vger.kernel.org, Max Filippov , Paul Mackerras , sparclinux@vger.kernel.org, linux-riscv@lists.infradead.org, Will Deacon , Stafford Horne , Marek Szyprowski , linux-s390@vger.kernel.org, linux-c6x-dev@linux-c6x.org, Yoshinori Sato , Michael Ellerman , x86@kernel.org, Russell King , Mike Rapoport , clang-built-linux@googlegroups.com, Ingo Molnar , Catalin Marinas , uclinux-h8-devel@lists.sourceforge.jp, linux-xtensa@linux-xtensa.org, openrisc@lists.librecores.org, Borislav Petkov , Andy Lutomirski , Paul Walmsley , Thomas Gleixner , linux-arm-kernel@lists.infradead.org, Michal Simek , linux-mm@kvack.org, linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org, iommu@lists.linux-foundation.org, Palmer Dabbelt , Christoph Hellwig , Mike Rapoport 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 From: Mike Rapoport fadump_reserve_crash_area() reserves memory from a specified base address till the end of the RAM. Replace iteration through the memblock.memory with a single call to memblock_reserve() with appropriate that will take care of proper memory reservation. Signed-off-by: Mike Rapoport --- arch/powerpc/kernel/fadump.c | 20 +------------------- 1 file changed, 1 insertion(+), 19 deletions(-) diff --git a/arch/powerpc/kernel/fadump.c b/arch/powerpc/kernel/fadump.c index 78ab9a6ee6ac..2446a61e3c25 100644 --- a/arch/powerpc/kernel/fadump.c +++ b/arch/powerpc/kernel/fadump.c @@ -1658,25 +1658,7 @@ int __init fadump_reserve_mem(void) /* Preserve everything above the base address */ static void __init fadump_reserve_crash_area(u64 base) { - struct memblock_region *reg; - u64 mstart, msize; - - for_each_memblock(memory, reg) { - mstart = reg->base; - msize = reg->size; - - if ((mstart + msize) < base) - continue; - - if (mstart < base) { - msize -= (base - mstart); - mstart = base; - } - - pr_info("Reserving %lluMB of memory at %#016llx for preserving crash data", - (msize >> 20), mstart); - memblock_reserve(mstart, msize); - } + memblock_reserve(base, memblock_end_of_DRAM() - base); } unsigned long __init arch_reserved_kernel_pages(void) -- 2.26.2 _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mike Rapoport Date: Tue, 28 Jul 2020 05:11:44 +0000 Subject: [PATCH 06/15] powerpc: fadamp: simplify fadump_reserve_crash_area() Message-Id: <20200728051153.1590-7-rppt@kernel.org> List-Id: References: <20200728051153.1590-1-rppt@kernel.org> In-Reply-To: <20200728051153.1590-1-rppt@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Andrew Morton Cc: linux-sh@vger.kernel.org, Peter Zijlstra , Benjamin Herrenschmidt , Dave Hansen , linux-mips@vger.kernel.org, Max Filippov , Paul Mackerras , sparclinux@vger.kernel.org, linux-riscv@lists.infradead.org, Will Deacon , Stafford Horne , Marek Szyprowski , linux-s390@vger.kernel.org, linux-c6x-dev@linux-c6x.org, Yoshinori Sato , Michael Ellerman , x86@kernel.org, Russell King , Mike Rapoport , clang-built-linux@googlegroups.com, Ingo Molnar , Catalin Marinas , uclinux-h8-devel@lists.sourceforge.jp, linux-xtensa@linux-xtensa.org, openrisc@lists.librecores.org, Borislav Petkov , Andy Lutomirski , Paul Walmsley , Thomas Gleixner , linux-arm-kernel@lists.infradead.org, Michal Simek , linux-mm@kvack.org, linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org, iommu@lists.linux-foundation.org, Palmer Dabbelt , Christoph Hellwig , Mike Rapoport From: Mike Rapoport fadump_reserve_crash_area() reserves memory from a specified base address till the end of the RAM. Replace iteration through the memblock.memory with a single call to memblock_reserve() with appropriate that will take care of proper memory reservation. Signed-off-by: Mike Rapoport --- arch/powerpc/kernel/fadump.c | 20 +------------------- 1 file changed, 1 insertion(+), 19 deletions(-) diff --git a/arch/powerpc/kernel/fadump.c b/arch/powerpc/kernel/fadump.c index 78ab9a6ee6ac..2446a61e3c25 100644 --- a/arch/powerpc/kernel/fadump.c +++ b/arch/powerpc/kernel/fadump.c @@ -1658,25 +1658,7 @@ int __init fadump_reserve_mem(void) /* Preserve everything above the base address */ static void __init fadump_reserve_crash_area(u64 base) { - struct memblock_region *reg; - u64 mstart, msize; - - for_each_memblock(memory, reg) { - mstart = reg->base; - msize = reg->size; - - if ((mstart + msize) < base) - continue; - - if (mstart < base) { - msize -= (base - mstart); - mstart = base; - } - - pr_info("Reserving %lluMB of memory at %#016llx for preserving crash data", - (msize >> 20), mstart); - memblock_reserve(mstart, msize); - } + memblock_reserve(base, memblock_end_of_DRAM() - base); } unsigned long __init arch_reserved_kernel_pages(void) -- 2.26.2 From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mike Rapoport Date: Tue, 28 Jul 2020 05:13:14 -0000 Subject: [OpenRISC] [PATCH 06/15] powerpc: fadamp: simplify fadump_reserve_crash_area() In-Reply-To: <20200728051153.1590-1-rppt@kernel.org> References: <20200728051153.1590-1-rppt@kernel.org> Message-ID: <20200728051153.1590-7-rppt@kernel.org> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: openrisc@lists.librecores.org From: Mike Rapoport fadump_reserve_crash_area() reserves memory from a specified base address till the end of the RAM. Replace iteration through the memblock.memory with a single call to memblock_reserve() with appropriate that will take care of proper memory reservation. Signed-off-by: Mike Rapoport --- arch/powerpc/kernel/fadump.c | 20 +------------------- 1 file changed, 1 insertion(+), 19 deletions(-) diff --git a/arch/powerpc/kernel/fadump.c b/arch/powerpc/kernel/fadump.c index 78ab9a6ee6ac..2446a61e3c25 100644 --- a/arch/powerpc/kernel/fadump.c +++ b/arch/powerpc/kernel/fadump.c @@ -1658,25 +1658,7 @@ int __init fadump_reserve_mem(void) /* Preserve everything above the base address */ static void __init fadump_reserve_crash_area(u64 base) { - struct memblock_region *reg; - u64 mstart, msize; - - for_each_memblock(memory, reg) { - mstart = reg->base; - msize = reg->size; - - if ((mstart + msize) < base) - continue; - - if (mstart < base) { - msize -= (base - mstart); - mstart = base; - } - - pr_info("Reserving %lluMB of memory@%#016llx for preserving crash data", - (msize >> 20), mstart); - memblock_reserve(mstart, msize); - } + memblock_reserve(base, memblock_end_of_DRAM() - base); } unsigned long __init arch_reserved_kernel_pages(void) -- 2.26.2 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=-12.8 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE, SPF_PASS,USER_AGENT_GIT autolearn=unavailable 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 18716C433DF for ; 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h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=YAjIiROU+83p25BDNEgIN9KISlKJXThut30Rs4cNno1O6shiBCHaHk29LQKLS7Ax5 Ejyf6BAz+viwYwWWCNj69uR3Ffj9ovcm+78DaXms94OZuxA4yw2XiA7huGDx/Xn9eG FxVpJAd03+F3yNWhAm0fZShWCJUQp1/pDjBxfrnc= From: Mike Rapoport To: Andrew Morton Subject: [PATCH 06/15] powerpc: fadamp: simplify fadump_reserve_crash_area() Date: Tue, 28 Jul 2020 08:11:44 +0300 Message-Id: <20200728051153.1590-7-rppt@kernel.org> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200728051153.1590-1-rppt@kernel.org> References: <20200728051153.1590-1-rppt@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-sh@vger.kernel.org, Peter Zijlstra , Dave Hansen , linux-mips@vger.kernel.org, Max Filippov , Paul Mackerras , sparclinux@vger.kernel.org, linux-riscv@lists.infradead.org, Will Deacon , Stafford Horne , Marek Szyprowski , linux-s390@vger.kernel.org, linux-c6x-dev@linux-c6x.org, Yoshinori Sato , x86@kernel.org, Russell King , Mike Rapoport , clang-built-linux@googlegroups.com, Ingo Molnar , Catalin Marinas , uclinux-h8-devel@lists.sourceforge.jp, linux-xtensa@linux-xtensa.org, openrisc@lists.librecores.org, Borislav Petkov , Andy Lutomirski , Paul Walmsley , Thomas Gleixner , linux-arm-kernel@lists.infradead.org, Michal Simek , linux-mm@kvack.org, linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org, iommu@lists.linux-foundation.org, Palmer Dabbelt , Christoph Hellwig , Mike Rapoport Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" From: Mike Rapoport fadump_reserve_crash_area() reserves memory from a specified base address till the end of the RAM. Replace iteration through the memblock.memory with a single call to memblock_reserve() with appropriate that will take care of proper memory reservation. Signed-off-by: Mike Rapoport --- arch/powerpc/kernel/fadump.c | 20 +------------------- 1 file changed, 1 insertion(+), 19 deletions(-) diff --git a/arch/powerpc/kernel/fadump.c b/arch/powerpc/kernel/fadump.c index 78ab9a6ee6ac..2446a61e3c25 100644 --- a/arch/powerpc/kernel/fadump.c +++ b/arch/powerpc/kernel/fadump.c @@ -1658,25 +1658,7 @@ int __init fadump_reserve_mem(void) /* Preserve everything above the base address */ static void __init fadump_reserve_crash_area(u64 base) { - struct memblock_region *reg; - u64 mstart, msize; - - for_each_memblock(memory, reg) { - mstart = reg->base; - msize = reg->size; - - if ((mstart + msize) < base) - continue; - - if (mstart < base) { - msize -= (base - mstart); - mstart = base; - } - - pr_info("Reserving %lluMB of memory at %#016llx for preserving crash data", - (msize >> 20), mstart); - memblock_reserve(mstart, msize); - } + memblock_reserve(base, memblock_end_of_DRAM() - base); } unsigned long __init arch_reserved_kernel_pages(void) -- 2.26.2 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=-13.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable 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 EC59AC433EC for ; 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Tue, 28 Jul 2020 05:13:16 +0000 Received: from aquarius.haifa.ibm.com (nesher1.haifa.il.ibm.com [195.110.40.7]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id B649522B45; Tue, 28 Jul 2020 05:13:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1595913193; bh=w0NUYCkRPztxWdauIZ7iYp1zOp1jLcG8AD5t4PqIxsg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=YAjIiROU+83p25BDNEgIN9KISlKJXThut30Rs4cNno1O6shiBCHaHk29LQKLS7Ax5 Ejyf6BAz+viwYwWWCNj69uR3Ffj9ovcm+78DaXms94OZuxA4yw2XiA7huGDx/Xn9eG FxVpJAd03+F3yNWhAm0fZShWCJUQp1/pDjBxfrnc= From: Mike Rapoport To: Andrew Morton Subject: [PATCH 06/15] powerpc: fadamp: simplify fadump_reserve_crash_area() Date: Tue, 28 Jul 2020 08:11:44 +0300 Message-Id: <20200728051153.1590-7-rppt@kernel.org> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200728051153.1590-1-rppt@kernel.org> References: <20200728051153.1590-1-rppt@kernel.org> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200728_011313_896339_9C461BFA X-CRM114-Status: GOOD ( 15.58 ) 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: linux-sh@vger.kernel.org, Peter Zijlstra , Benjamin Herrenschmidt , Dave Hansen , linux-mips@vger.kernel.org, Max Filippov , Paul Mackerras , sparclinux@vger.kernel.org, linux-riscv@lists.infradead.org, Will Deacon , Stafford Horne , Marek Szyprowski , linux-s390@vger.kernel.org, linux-c6x-dev@linux-c6x.org, Yoshinori Sato , Michael Ellerman , x86@kernel.org, Russell King , Mike Rapoport , clang-built-linux@googlegroups.com, Ingo Molnar , Catalin Marinas , uclinux-h8-devel@lists.sourceforge.jp, linux-xtensa@linux-xtensa.org, openrisc@lists.librecores.org, Borislav Petkov , Andy Lutomirski , Paul Walmsley , Thomas Gleixner , linux-arm-kernel@lists.infradead.org, Michal Simek , linux-mm@kvack.org, linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org, iommu@lists.linux-foundation.org, Palmer Dabbelt , Christoph Hellwig , Mike Rapoport Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Mike Rapoport fadump_reserve_crash_area() reserves memory from a specified base address till the end of the RAM. Replace iteration through the memblock.memory with a single call to memblock_reserve() with appropriate that will take care of proper memory reservation. Signed-off-by: Mike Rapoport --- arch/powerpc/kernel/fadump.c | 20 +------------------- 1 file changed, 1 insertion(+), 19 deletions(-) diff --git a/arch/powerpc/kernel/fadump.c b/arch/powerpc/kernel/fadump.c index 78ab9a6ee6ac..2446a61e3c25 100644 --- a/arch/powerpc/kernel/fadump.c +++ b/arch/powerpc/kernel/fadump.c @@ -1658,25 +1658,7 @@ int __init fadump_reserve_mem(void) /* Preserve everything above the base address */ static void __init fadump_reserve_crash_area(u64 base) { - struct memblock_region *reg; - u64 mstart, msize; - - for_each_memblock(memory, reg) { - mstart = reg->base; - msize = reg->size; - - if ((mstart + msize) < base) - continue; - - if (mstart < base) { - msize -= (base - mstart); - mstart = base; - } - - pr_info("Reserving %lluMB of memory at %#016llx for preserving crash data", - (msize >> 20), mstart); - memblock_reserve(mstart, msize); - } + memblock_reserve(base, memblock_end_of_DRAM() - base); } unsigned long __init arch_reserved_kernel_pages(void) -- 2.26.2 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel