From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp4.osuosl.org (smtp4.osuosl.org [140.211.166.137]) (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 7B9CF144D3B for ; Tue, 14 May 2024 14:05:20 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=140.211.166.137 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1715695521; cv=none; b=I40jQjiGHVn/eCRujWktGJt0P/hTniGkozhTVTs41y6CSW+Gtd8wLfQzC/iGIEmnFi7s9qDUKLICseh23xGaUaZaNMucNFk9Oj1BFtAjtpcs9vUbtUEhND4JYO/JR+aHuAXlCDrG0Hgu9063nisOymDo3ur9TeAeGcPilw1lEtw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1715695521; c=relaxed/simple; bh=pGRP84KXNHRvDwj4d3tBEvZ5yXWiOvKEJ5ie6tEwIpw=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version:Content-Type; b=Eh4p+/0ykcBASa1tS15NTKu8IesUArpi8zveLAdC+v8luJeZr90emVfhmAHryUag7Po/EmKWMvjIW/lsfY9dTPfkxEr8XRDFV3GP28OSZAv85D6JcYMEFAPtJUfscr1lOLCm9pWeRRnnX3LbeM9fMU5Lfavh/8tJGtw9NxDGNGU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=tutFg42F; arc=none smtp.client-ip=140.211.166.137 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="tutFg42F" Received: from localhost (localhost [127.0.0.1]) by smtp4.osuosl.org (Postfix) with ESMTP id 17A5C40930 for ; Tue, 14 May 2024 14:05:20 +0000 (UTC) X-Virus-Scanned: amavis at osuosl.org X-Spam-Flag: NO X-Spam-Score: -7.101 X-Spam-Level: Received: from smtp4.osuosl.org ([127.0.0.1]) by localhost (smtp4.osuosl.org [127.0.0.1]) (amavis, port 10024) with ESMTP id pgLKSrI-sjPE for ; Tue, 14 May 2024 14:05:19 +0000 (UTC) Received-SPF: Pass (mailfrom) identity=mailfrom; client-ip=139.178.84.217; helo=dfw.source.kernel.org; envelope-from=bjorn@kernel.org; receiver= DMARC-Filter: OpenDMARC Filter v1.4.2 smtp4.osuosl.org 0967C40785 Authentication-Results: smtp4.osuosl.org; dmarc=pass (p=none dis=none) header.from=kernel.org DKIM-Filter: OpenDKIM Filter v2.11.0 smtp4.osuosl.org 0967C40785 Authentication-Results: smtp4.osuosl.org; dkim=pass (2048-bit key, unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20201202 header.b=tutFg42F Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by smtp4.osuosl.org (Postfix) with ESMTPS id 0967C40785 for ; Tue, 14 May 2024 14:05:18 +0000 (UTC) Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by dfw.source.kernel.org (Postfix) with ESMTP id 3183261276; Tue, 14 May 2024 14:05:18 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 2B219C32781; Tue, 14 May 2024 14:05:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1715695518; bh=pGRP84KXNHRvDwj4d3tBEvZ5yXWiOvKEJ5ie6tEwIpw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=tutFg42F+WZxo8OqjmYracQbf76JUHyChIpewLcaBxxXzAHL9f9NzUzxKpCwPQPMp JAOf7a5DMjRYICN6Zd3nayVU2QucQqYBCAI8sN3NmvDZjznrg3QP+0FsKPkhBf5X1d DjQUz7i2J5ltDjh2koA8AsRmQ0kDN4rVWu0JQFdPf4Vmy6PaVJo12jabRGD99LsIn6 QsnhffWfY2J+BIqE97O1tmA6XlKvqzaJOazwfm63YK7bQUZNkTJ0dnTNMdXBkL3W1n IXNollIatVKhq1PFO/MKuIo9s9ffetE+5TaxWGUT6CgxwvGg7EYhSFKTurXIn/mT0T 2VnjGlsE++ceA== From: =?UTF-8?q?Bj=C3=B6rn=20T=C3=B6pel?= To: Alexandre Ghiti , Albert Ou , David Hildenbrand , Palmer Dabbelt , Paul Walmsley , linux-riscv@lists.infradead.org Cc: =?UTF-8?q?Bj=C3=B6rn=20T=C3=B6pel?= , Andrew Bresticker , Chethan Seshadri , Lorenzo Stoakes , Oscar Salvador , Santosh Mamila , Sivakumar Munnangi , Sunil V L , linux-kernel@vger.kernel.org, linux-mm@kvack.org, virtualization@lists.linux-foundation.org Subject: [PATCH v2 3/8] riscv: mm: Refactor create_linear_mapping_range() for memory hot add Date: Tue, 14 May 2024 16:04:41 +0200 Message-Id: <20240514140446.538622-4-bjorn@kernel.org> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20240514140446.538622-1-bjorn@kernel.org> References: <20240514140446.538622-1-bjorn@kernel.org> Precedence: bulk X-Mailing-List: virtualization@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit From: Björn Töpel Add a parameter to the direct map setup function, so it can be used in arch_add_memory() later. Signed-off-by: Björn Töpel --- arch/riscv/mm/init.c | 15 ++++++--------- 1 file changed, 6 insertions(+), 9 deletions(-) diff --git a/arch/riscv/mm/init.c b/arch/riscv/mm/init.c index c969427eab88..6f72b0b2b854 100644 --- a/arch/riscv/mm/init.c +++ b/arch/riscv/mm/init.c @@ -1227,7 +1227,7 @@ asmlinkage void __init setup_vm(uintptr_t dtb_pa) } static void __meminit create_linear_mapping_range(phys_addr_t start, phys_addr_t end, - uintptr_t fixed_map_size) + uintptr_t fixed_map_size, const pgprot_t *pgprot) { phys_addr_t pa; uintptr_t va, map_size; @@ -1238,7 +1238,7 @@ static void __meminit create_linear_mapping_range(phys_addr_t start, phys_addr_t best_map_size(pa, va, end - pa); create_pgd_mapping(swapper_pg_dir, va, pa, map_size, - pgprot_from_va(va)); + pgprot ? *pgprot : pgprot_from_va(va)); } } @@ -1282,22 +1282,19 @@ static void __init create_linear_mapping_page_table(void) if (end >= __pa(PAGE_OFFSET) + memory_limit) end = __pa(PAGE_OFFSET) + memory_limit; - create_linear_mapping_range(start, end, 0); + create_linear_mapping_range(start, end, 0, NULL); } #ifdef CONFIG_STRICT_KERNEL_RWX - create_linear_mapping_range(ktext_start, ktext_start + ktext_size, 0); - create_linear_mapping_range(krodata_start, - krodata_start + krodata_size, 0); + create_linear_mapping_range(ktext_start, ktext_start + ktext_size, 0, NULL); + create_linear_mapping_range(krodata_start, krodata_start + krodata_size, 0, NULL); memblock_clear_nomap(ktext_start, ktext_size); memblock_clear_nomap(krodata_start, krodata_size); #endif #ifdef CONFIG_KFENCE - create_linear_mapping_range(kfence_pool, - kfence_pool + KFENCE_POOL_SIZE, - PAGE_SIZE); + create_linear_mapping_range(kfence_pool, kfence_pool + KFENCE_POOL_SIZE, PAGE_SIZE, NULL); memblock_clear_nomap(kfence_pool, KFENCE_POOL_SIZE); #endif -- 2.40.1