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SubjectRe: [PATCH v2 0/5] arm64: Cleanup ioremap() and support ioremap_prot()
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Hello maintainers,kindly ping.

On 2022/4/29 18:32, Kefeng Wang wrote:
> 1. Enhance generic ioremap to make it more useful.
> 2. Let's arm64 use GENERIC_IOREMAP to cleanup code.
> 3. Support HAVE_IOREMAP_PROT on arm64, which enable generic_access_phys(),
> it is useful when debug(eg, gdb) via access_process_vm device memory
> infrastructure.
>
> v2:
> - s/addr/phys_addr in ioremap_prot, suggested by Andrew Morton
> - rename arch_ioremap/iounmap_check to arch_ioremap/iounmad
> and change return value, per Christoph Hellwig and Andrew Morton
> - and use 'ifndef arch_ioremap' instead of weak function, per Arnd Bergmann
> - collect ack/review
>
> Kefeng Wang (5):
> mm: ioremap: Use more sensibly name in ioremap_prot()
> mm: ioremap: Setup phys_addr of struct vm_struct
> mm: ioremap: Add arch_ioremap/iounmap()
> 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 | 20 +++--
> arch/arm64/include/asm/pgtable.h | 10 +++
> arch/arm64/kernel/acpi.c | 2 +-
> arch/arm64/mm/hugetlbpage.c | 10 ---
> arch/arm64/mm/ioremap.c | 85 +++----------------
> include/asm-generic/io.h | 16 +++-
> mm/ioremap.c | 27 ++++--
> 9 files changed, 74 insertions(+), 100 deletions(-)
>

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