From: Mike Rapoport <rppt@kernel.org>
To: linux-arm-kernel@lists.infradead.org
Cc: Alex Bee <knaerzche@gmail.com>,
Andrew Morton <akpm@linux-foundation.org>,
Anshuman Khandual <anshuman.khandual@arm.com>,
Catalin Marinas <catalin.marinas@arm.com>,
Christoph Hellwig <hch@lst.de>,
David Hildenbrand <david@redhat.com>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Marek Szyprowski <m.szyprowski@samsung.com>,
Mike Rapoport <rppt@kernel.org>,
Mike Rapoport <rppt@linux.ibm.com>,
Robin Murphy <robin.murphy@arm.com>,
Will Deacon <will@kernel.org>,
iommu@lists.linux-foundation.org
Subject: [PATCH 0/2] arm64: retry dropping HAVE_ARCH_PFN_VALID
Date: Thu, 30 Sep 2021 04:30:37 +0300 [thread overview]
Message-ID: <20210930013039.11260-1-rppt@kernel.org> (raw)
From: Mike Rapoport <rppt@linux.ibm.com>
Hi,
This is a new attempt to drop HAVE_ARCH_PFN_VALID on arm64 and start using
the generic implementation of pfn_valid().
The first patch removes the check for pfn_valid() in dma_map_resource()
which is required to avoid false positives when there is memory map for
MMIO.
Anshuman Khandual (1):
arm64/mm: drop HAVE_ARCH_PFN_VALID
Mike Rapoport (1):
dma-mapping: remove bogus test for pfn_valid from dma_map_resource
arch/arm64/Kconfig | 1 -
arch/arm64/include/asm/page.h | 1 -
arch/arm64/mm/init.c | 37 -----------------------------------
kernel/dma/mapping.c | 4 ----
4 files changed, 43 deletions(-)
base-commit: 5816b3e6577eaa676ceb00a848f0fd65fe2adc29
--
2.28.0
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next reply other threads:[~2021-09-30 1:32 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-09-30 1:30 Mike Rapoport [this message]
2021-09-30 1:30 ` [PATCH 1/2] dma-mapping: remove bogus test for pfn_valid from dma_map_resource Mike Rapoport
2021-09-30 5:46 ` Christoph Hellwig
2021-09-30 7:27 ` David Hildenbrand
2021-09-30 1:30 ` [PATCH 2/2] arm64/mm: drop HAVE_ARCH_PFN_VALID Mike Rapoport
2021-10-01 14:01 ` [PATCH 0/2] arm64: retry dropping HAVE_ARCH_PFN_VALID Will Deacon
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