OpenCloudOS-Kernel/arch/riscv/mm
Atish Patra 0e2c09011d
RISC-V: Acquire mmap lock before invoking walk_page_range
As per walk_page_range documentation, mmap lock should be acquired by the
caller before invoking walk_page_range. mmap_assert_locked gets triggered
without that. The details can be found here.

http://lists.infradead.org/pipermail/linux-riscv/2020-June/010335.html

Fixes: 395a21ff859c(riscv: add ARCH_HAS_SET_DIRECT_MAP support)
Signed-off-by: Atish Patra <atish.patra@wdc.com>
Reviewed-by: Michel Lespinasse <walken@google.com>
Reviewed-by: Zong Li <zong.li@sifive.com>
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
2020-06-18 18:46:09 -07:00
..
Makefile riscv: Add support to dump the kernel page tables 2020-03-26 09:29:49 -07:00
cacheflush.c mm: reorder includes after introduction of linux/pgtable.h 2020-06-09 09:39:13 -07:00
context.c riscv: add nommu support 2019-11-17 15:17:39 -08:00
extable.c riscv: abstract out CSR names for supervisor vs machine mode 2019-11-05 09:20:42 -08:00
fault.c mmap locking API: convert mmap_sem comments 2020-06-09 09:39:14 -07:00
hugetlbpage.c hugetlbfs: remove hugetlb_add_hstate() warning for existing hstate 2020-06-03 20:09:46 -07:00
init.c RISC-V Patches for the 5.8 Merge Window, Part 2 2020-06-11 12:55:20 -07:00
kasan_init.c mm: reorder includes after introduction of linux/pgtable.h 2020-06-09 09:39:13 -07:00
pageattr.c RISC-V: Acquire mmap lock before invoking walk_page_range 2020-06-18 18:46:09 -07:00
physaddr.c riscv: mm: add support for CONFIG_DEBUG_VIRTUAL 2020-01-23 10:40:06 -08:00
ptdump.c mm: introduce include/linux/pgtable.h 2020-06-09 09:39:13 -07:00
tlbflush.c RISC-V: Issue a tlb page flush if possible 2019-10-29 11:32:18 -07:00