From patchwork Thu Aug 1 06:08:15 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mike Rapoport X-Patchwork-Id: 13749690 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id E3BB6158547; Thu, 1 Aug 2024 06:11:42 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1722492703; cv=none; b=YOTcPEB1A6gsifCVa1H1d1bVpq8RMUcx0zwAocKkDBAC5mQW/VpNAOhsgivVnxEJBnxCCCyPF8j6OIDL+zxNR8ZddwEettPGmR10l7kkBu2u/wrVch8WCbFc2FauxrlyejimRov95WnR3QY0gu0dJuvN7nSnkk9Ac7uEuTjMR0w= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1722492703; c=relaxed/simple; bh=a5wWvXp5sZfTjfQzLNJ+a5bJ5ZJPXICMVCqsCnclVEE=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=qx5l61nXCpFv0XL8o3MJHBLbboi9Ubz9CWvoV8KV5bc1HqZjHWgBOOL2PXoH+DpOt8H52cwO6USOahmCg21Ei1FKN2bGqcqc9IQ6zhxo0OoWlV921qKVpOq+SBt8RF8vKtyR5rSf5TgKQaxB828uF27XfGGZYvnXzk6ppC+MlLo= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=cc4WvpYS; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="cc4WvpYS" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 83720C4AF09; Thu, 1 Aug 2024 06:11:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1722492702; bh=a5wWvXp5sZfTjfQzLNJ+a5bJ5ZJPXICMVCqsCnclVEE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=cc4WvpYSk2IgT7M8f19PtLCANZs9ejYsgNz/cO/n9jZN8qc0EaFo0hFRtACL2ndu9 6mQNevH4Cv97QgSeWny58SoJTelXG7+q/yupDHNjypMc9KfJSvH9dJkMYoPTVHXTFt qOV8qLNBVKP+KQ0TDEb4IxRQJnulZa3OTDwTCKv2ZaDrPMf/7n9eMwLrQ+9DBTKaQ2 CscX8zJ0BsTHTjThMBHjRi6ejLjZ0Khv97xgxfXs5HKaUT5vo9NA59YW7rniE33hCD LqVJKeLyrOjDdwbfYs2UANWDOREYQ7kpVO/8B3QyCKE+mrBu4NqR3hacT/uObjnyRS Fd/de2lMyOA4Q== From: Mike Rapoport To: linux-kernel@vger.kernel.org Cc: Alexander Gordeev , Andreas Larsson , Andrew Morton , Arnd Bergmann , Borislav Petkov , Catalin Marinas , Christophe Leroy , Dan Williams , Dave Hansen , David Hildenbrand , "David S. Miller" , Davidlohr Bueso , Greg Kroah-Hartman , Heiko Carstens , Huacai Chen , Ingo Molnar , Jiaxun Yang , John Paul Adrian Glaubitz , Jonathan Cameron , Jonathan Corbet , Michael Ellerman , Mike Rapoport , Palmer Dabbelt , "Rafael J. Wysocki" , Rob Herring , Samuel Holland , Thomas Bogendoerfer , Thomas Gleixner , Vasily Gorbik , Will Deacon , Zi Yan , devicetree@vger.kernel.org, linux-acpi@vger.kernel.org, linux-arch@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-cxl@vger.kernel.org, linux-doc@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, linuxppc-dev@lists.ozlabs.org, loongarch@lists.linux.dev, nvdimm@lists.linux.dev, sparclinux@vger.kernel.org, x86@kernel.org, Jonathan Cameron Subject: [PATCH v3 15/26] x86/numa_emu: use a helper function to get MAX_DMA32_PFN Date: Thu, 1 Aug 2024 09:08:15 +0300 Message-ID: <20240801060826.559858-16-rppt@kernel.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240801060826.559858-1-rppt@kernel.org> References: <20240801060826.559858-1-rppt@kernel.org> Precedence: bulk X-Mailing-List: nvdimm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 From: "Mike Rapoport (Microsoft)" This is required to make numa emulation code architecture independent so that it can be moved to generic code in following commits. Signed-off-by: Mike Rapoport (Microsoft) Reviewed-by: Jonathan Cameron Tested-by: Zi Yan # for x86_64 and arm64 Acked-by: David Hildenbrand --- arch/x86/include/asm/numa.h | 1 + arch/x86/mm/numa.c | 5 +++++ arch/x86/mm/numa_emulation.c | 4 ++-- 3 files changed, 8 insertions(+), 2 deletions(-) diff --git a/arch/x86/include/asm/numa.h b/arch/x86/include/asm/numa.h index 7017d540894a..b22c85c1ef18 100644 --- a/arch/x86/include/asm/numa.h +++ b/arch/x86/include/asm/numa.h @@ -74,6 +74,7 @@ void debug_cpumask_set_cpu(int cpu, int node, bool enable); int numa_emu_cmdline(char *str); void __init numa_emu_update_cpu_to_node(int *emu_nid_to_phys, unsigned int nr_emu_nids); +u64 __init numa_emu_dma_end(void); #else /* CONFIG_NUMA_EMU */ static inline int numa_emu_cmdline(char *str) { diff --git a/arch/x86/mm/numa.c b/arch/x86/mm/numa.c index 9180d524cfe4..8b7c6580d268 100644 --- a/arch/x86/mm/numa.c +++ b/arch/x86/mm/numa.c @@ -868,6 +868,11 @@ void __init numa_emu_update_cpu_to_node(int *emu_nid_to_phys, __apicid_to_node[i] = j < nr_emu_nids ? j : 0; } } + +u64 __init numa_emu_dma_end(void) +{ + return PFN_PHYS(MAX_DMA32_PFN); +} #endif /* CONFIG_NUMA_EMU */ #ifdef CONFIG_NUMA_KEEP_MEMINFO diff --git a/arch/x86/mm/numa_emulation.c b/arch/x86/mm/numa_emulation.c index f2746e52ab93..fb4814497446 100644 --- a/arch/x86/mm/numa_emulation.c +++ b/arch/x86/mm/numa_emulation.c @@ -128,7 +128,7 @@ static int __init split_nodes_interleave(struct numa_meminfo *ei, */ while (!nodes_empty(physnode_mask)) { for_each_node_mask(i, physnode_mask) { - u64 dma32_end = PFN_PHYS(MAX_DMA32_PFN); + u64 dma32_end = numa_emu_dma_end(); u64 start, limit, end; int phys_blk; @@ -275,7 +275,7 @@ static int __init split_nodes_size_interleave_uniform(struct numa_meminfo *ei, */ while (!nodes_empty(physnode_mask)) { for_each_node_mask(i, physnode_mask) { - u64 dma32_end = PFN_PHYS(MAX_DMA32_PFN); + u64 dma32_end = numa_emu_dma_end(); u64 start, limit, end; int phys_blk;