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| author | Kefeng Wang <wangkefeng.wang@huawei.com> | 2024-04-03 11:38:03 +0300 |
|---|---|---|
| committer | Palmer Dabbelt <palmer@rivosinc.com> | 2024-05-23 02:12:56 +0300 |
| commit | 4c6c0020427a4547845a83f7e4d6085e16c3e24f (patch) | |
| tree | bbdc6af233a0483e0b4b4bb160e7aa608bf1ba66 /security/security.c | |
| parent | 9850e73e82972f518b75dd0d94d2322f44d9191d (diff) | |
| download | linux-4c6c0020427a4547845a83f7e4d6085e16c3e24f.tar.xz | |
riscv: mm: accelerate pagefault when badaccess
The access_error() of vma already checked under per-VMA lock, if it
is a bad access, directly handle error, no need to retry with mmap_lock
again. Since the page faut is handled under per-VMA lock, count it as
a vma lock event with VMA_LOCK_SUCCESS.
Reviewed-by: Suren Baghdasaryan <surenb@google.com>
Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Reviewed-by: Alexandre Ghiti <alexghiti@rivosinc.com>
Tested-by: Alexandre Ghiti <alexghiti@rivosinc.com>
Link: https://lore.kernel.org/r/20240403083805.1818160-6-wangkefeng.wang@huawei.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
Diffstat (limited to 'security/security.c')
0 files changed, 0 insertions, 0 deletions