linux-kernel - [PATCH 0/2] Add STRICT_DEVMEM support on RISC-V

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Message-Id: <cover.1592292685.git.zong.li@sifive.com>
Date:   Tue, 16 Jun 2020 15:45:45 +0800
From:   Zong Li <zong.li@...ive.com>
To:     paul.walmsley@...ive.com, palmer@...belt.com,
        linux-riscv@...ts.infradead.org, linux-kernel@...r.kernel.org
Cc:     Zong Li <zong.li@...ive.com>
Subject: [PATCH 0/2] Add STRICT_DEVMEM support on RISC-V

This patchset include two parts, the first one is that register System
RAM as iomem resources, it is needed for page_is_ram API which checks
the specified address whether registered as System RAM in iomem_resource
list. The second patch is that add devmem_is_allowed to support
STRICT_DEVMEM, and it would invoke page_is_ram to check the addresses.

Zong Li (2):
  riscv: Register System RAM as iomem resources
  riscv: Support CONFIG_STRICT_DEVMEM

 arch/riscv/Kconfig          |  1 +
 arch/riscv/include/asm/io.h |  2 ++
 arch/riscv/mm/init.c        | 41 +++++++++++++++++++++++++++++++++++++
 3 files changed, 44 insertions(+)

-- 
2.27.0