From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) (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 02D7872 for ; Mon, 14 Jun 2021 17:51:59 +0000 (UTC) Received: by mail.kernel.org (Postfix) with ESMTPSA id 827DE60FEA; Mon, 14 Jun 2021 17:51:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1623693119; bh=w6yEl6RdNBce/fM+QwtQ8kaN8ZBcaj88bvIJYqQiqWE=; h=From:To:Cc:Subject:Date:From; b=CYV9czSkjRP4LdvMU9VxTMqEGCe5n1d/EBSjIvR9gHcyfwJuSRTkmVyYzxr0mPz6T FIkdFELsy/LoTBt/VXXTgJwhKsOk+cUGUH4yXFcIOR4n3I3TzN8iLE7KIDNb85vGLl W+ou9zfbWXYBzbPUnA+PStAK/B8qvyCt2O8SQDuOOFucnuWmHel8OcCBPIR7UhP0DV mXMnXjNCSs1G9gkKBwsBkzsG292IZnCsxGDGikAyOjTvUgeuY9bxtQ/Ipb2QHQjVpy LaxuWv6ITwYHAf8RY8ckaF4CYe4YehO5MntIA5z8cPL6sxLW0EI8ZJEJwiBX8+n6jz rqN/opCt1ylLw== From: guoren@kernel.org To: guoren@kernel.org, anup.patel@wdc.com, palmerdabbelt@google.com, arnd@arndb.de, wens@csie.org, maxime@cerno.tech, drew@beagleboard.org, liush@allwinnertech.com, lazyparser@gmail.com, wefu@redhat.com Cc: linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org, linux-sunxi@lists.linux.dev, tech-virt-mem@lists.riscv.org, Guo Ren Subject: [RFC PATCH v3 0/2] riscv: pgtable: Add "PBMT" extension supported Date: Mon, 14 Jun 2021 17:51:05 +0000 Message-Id: <1623693067-53886-1-git-send-email-guoren@kernel.org> X-Mailer: git-send-email 2.7.4 X-Mailing-List: linux-sunxi@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: From: Guo Ren These patches are a continuation of "riscv: Add DMA_COHERENT support for Allwinner D1". Compared with the previous factory-defined hardware implementation, it now follows the PBMT extension proposal. V2: https://lore.kernel.org/linux-riscv/1622970249-50770-10-git-send-email-guoren@kernel.org/ V1: https://lore.kernel.org/linux-riscv/1621400656-25678-3-git-send-email-guoren@kernel.org/ Changes since v2: - Change to PBMT extension proposal - Add pbmt in dts - Using img hdr for custom memory types moification Changes since v1: - Rebase on linux-5.13-rc4 - Support defconfig for different PTE attributes Guo Ren (2): riscv: pgtable: Add custom protection_map init riscv: pgtable: Add "PBMT" extension supported arch/riscv/Kconfig | 4 +++ arch/riscv/include/asm/image.h | 6 ++-- arch/riscv/include/asm/pgtable-64.h | 8 +++-- arch/riscv/include/asm/pgtable-bits.h | 55 ++++++++++++++++++++++++++-- arch/riscv/include/asm/pgtable.h | 17 ++++----- arch/riscv/kernel/head.S | 6 ++++ arch/riscv/mm/init.c | 68 +++++++++++++++++++++++++++++++++++ mm/mmap.c | 4 +++ 8 files changed, 149 insertions(+), 19 deletions(-) -- 2.7.4