From patchwork Tue Jul 16 11:13:39 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mike Rapoport X-Patchwork-Id: 13734417 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 17B791991A4; Tue, 16 Jul 2024 11:15:47 +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=1721128548; cv=none; b=SI93DJ4gFeFiG0V8pjfyQ2l3AGviKlNV+2l0uXersP1ctn57SvsM1+F37G+O7AUOL55ex1J4VFMb6y52kXFTppSzzbxfCllMm9eCjJv9ziWjEKUd+Fu1I6Wn5ezlriw2+QVmHcCKcTXQhCYLsMxKxkNEkty+x4cFf4MO4sCNweY= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1721128548; c=relaxed/simple; bh=ym0kawqEGV0FNmvOsYm3DWOKfdlDmSXOdSkjneozt3M=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=HgzSxOwZUi9LrwxE5xeXWgr8gF8QoRpNWA9lcSaCrBDKufuR/CJ6zRPULAZA1d5iIIzNO4s87y5c9C2+Nm12qXWkLqogP9H3WKb24sowdhiPvYE9Yx5EUubcYJee2/bHM4GsoEYxzSZPQ/5Zuo9bEOxK8a50RSyXXalW2R7t14k= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=aUg6c6D0; 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="aUg6c6D0" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 17FC9C4AF0F; Tue, 16 Jul 2024 11:15:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1721128547; bh=ym0kawqEGV0FNmvOsYm3DWOKfdlDmSXOdSkjneozt3M=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=aUg6c6D0pXxFYfxdCla0UlGGSb+fzaMJ98PhtEuPZ4xlpOrwMZNzxrunxPvcfDdc7 NXufJhNRBO67I6yVAwRrB24yf+HtAH8pnnvS0xcP/IRbHEWL7yqiHMbLPL3az/7dke kLw1+nQiaSDwkyvjoNw2D0R3dN+SnBi06HG1s3TOoOvNCDUXV5ucaNQK1Kbys49hx6 /juYk12sHgDnrQrIMEwtmEumKOES0H1okVRE5+R168aRmF+qYQ4ppw/Kfra4PrNfW3 YhaZIeYTe6w4tK9Ox3H4968ZbRGp43kkC7vp81Gd13qPzugi8VN9tKHerIr0CKBuPG CUc4ZCR6v33eg== 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" , Greg Kroah-Hartman , Heiko Carstens , Huacai Chen , Ingo Molnar , Jiaxun Yang , John Paul Adrian Glaubitz , Jonathan Cameron , Michael Ellerman , Mike Rapoport , Palmer Dabbelt , "Rafael J. Wysocki" , Rob Herring , Thomas Bogendoerfer , Thomas Gleixner , Vasily Gorbik , Will Deacon , linux-arm-kernel@lists.infradead.org, loongarch@lists.linux.dev, linux-mips@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org, linux-sh@vger.kernel.org, sparclinux@vger.kernel.org, linux-acpi@vger.kernel.org, linux-cxl@vger.kernel.org, nvdimm@lists.linux.dev, devicetree@vger.kernel.org, linux-arch@vger.kernel.org, linux-mm@kvack.org, x86@kernel.org Subject: [PATCH 10/17] x86/numa_emu: use a helper function to get MAX_DMA32_PFN Date: Tue, 16 Jul 2024 14:13:39 +0300 Message-ID: <20240716111346.3676969-11-rppt@kernel.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240716111346.3676969-1-rppt@kernel.org> References: <20240716111346.3676969-1-rppt@kernel.org> Precedence: bulk X-Mailing-List: linux-cxl@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 From: "Mike Rapoport (Microsoft)" This is required to make numa emulation code architecture independent s that it can be moved to generic code in following commits. Signed-off-by: Mike Rapoport (Microsoft) Reviewed-by: Jonathan Cameron --- 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 1320d776caed..0a59e3ceecda 100644 --- a/arch/x86/mm/numa.c +++ b/arch/x86/mm/numa.c @@ -872,6 +872,11 @@ 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;