From: Kefeng Wang <wangkefeng.wang@huawei.com>
To: Catalin Marinas <catalin.marinas@arm.com>,
Will Deacon <will@kernel.org>,
Andrew Morton <akpm@linux-foundation.org>,
<linux-arm-kernel@lists.infradead.org>,
<linux-kernel@vger.kernel.org>
Cc: <linux-mm@kvack.org>, Kefeng Wang <wangkefeng.wang@huawei.com>
Subject: [PATCH 0/4] arm64: Cleanup ioremap() and support ioremap_prot()
Date: Wed, 27 Apr 2022 20:14:09 +0800 [thread overview]
Message-ID: <20220427121413.168468-1-wangkefeng.wang@huawei.com> (raw)
Let's arm64 use GENERIC_IOREMAP to cleanup code, and
support ioremap_prot()/HAVE_IOREMAP_PROT, which could
enable generic_access_phys().
Kefeng Wang (4):
mm: ioremap: Setup phys_addr of struct vm_struct
mm: ioremap: Add arch_ioremap/iounmap_check()
arm64: mm: Convert to GENERIC_IOREMAP
arm64: Add HAVE_IOREMAP_PROT support
.../features/vm/ioremap_prot/arch-support.txt | 2 +-
arch/arm64/Kconfig | 2 +
arch/arm64/include/asm/io.h | 14 +--
arch/arm64/include/asm/pgtable.h | 10 +++
arch/arm64/kernel/acpi.c | 2 +-
arch/arm64/mm/hugetlbpage.c | 10 ---
arch/arm64/mm/ioremap.c | 86 +++----------------
include/asm-generic/io.h | 3 +
mm/ioremap.c | 21 ++++-
9 files changed, 56 insertions(+), 94 deletions(-)
--
2.26.2
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next reply other threads:[~2022-04-27 12:03 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-04-27 12:14 Kefeng Wang [this message]
2022-04-27 12:14 ` [PATCH 1/4] mm: ioremap: Setup phys_addr of struct vm_struct Kefeng Wang
2022-04-27 17:10 ` Andrew Morton
2022-04-28 1:40 ` Kefeng Wang
2022-04-28 15:41 ` Christoph Hellwig
2022-04-27 12:14 ` [PATCH 2/4] mm: ioremap: Add arch_ioremap/iounmap_check() Kefeng Wang
2022-04-27 17:04 ` Andrew Morton
2022-04-28 6:16 ` Kefeng Wang
2022-04-28 15:46 ` Christoph Hellwig
2022-04-27 18:20 ` Arnd Bergmann
2022-04-27 18:25 ` Andrew Morton
2022-04-27 20:46 ` Arnd Bergmann
2022-04-28 6:20 ` Kefeng Wang
2022-04-28 6:47 ` Arnd Bergmann
2022-04-27 12:14 ` [PATCH 3/4] arm64: mm: Convert to GENERIC_IOREMAP Kefeng Wang
2022-04-27 17:11 ` Andrew Morton
2022-04-27 12:14 ` [PATCH 4/4] arm64: Add HAVE_IOREMAP_PROT support Kefeng Wang
2022-04-28 10:46 ` [PATCH 0/4] arm64: Cleanup ioremap() and support ioremap_prot() Will Deacon
2022-04-28 11:48 ` Kefeng Wang
2022-04-28 15:48 ` Christoph Hellwig
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