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Date: Sun, 6 Jun 2021 16:39:41 +0200
From: Christoph Hellwig <hch@lst.de>
To: guoren@kernel.org
Cc: 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,
	linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org,
	linux-arch@vger.kernel.org, linux-sunxi@lists.linux.dev,
	Guo Ren <guoren@linux.alibaba.com>, Christoph Hellwig <hch@lst.de>
Subject: Re: [RFC PATCH v2 06/11] riscv: pgtable: Add DMA_COHERENT with
 custom PTE attributes
Message-ID: <20210606143941.GA6032@lst.de>
References: <1622970249-50770-1-git-send-email-guoren@kernel.org> <1622970249-50770-10-git-send-email-guoren@kernel.org>
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NAK, no SOC must ever mess with pagetable attributes.