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(-)
