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| author | Zong Li <zong.li@sifive.com> | 2020-03-09 19:55:44 +0300 |
|---|---|---|
| committer | Palmer Dabbelt <palmerdabbelt@google.com> | 2020-03-26 19:24:55 +0300 |
| commit | 8fdddb2eae731dd6beb89f9b812e5915d1beb744 (patch) | |
| tree | 698aa44a6e112eb6a8fa5a695097f798c54cd2d0 /arch/riscv/mm/ptdump.c | |
| parent | 043cb41a85de1c0e944da61ad7a264960e22c865 (diff) | |
| download | linux-8fdddb2eae731dd6beb89f9b812e5915d1beb744.tar.xz | |
riscv: patch code by fixmap mapping
On strict kernel memory permission, the ftrace have to change the
permission of text for dynamic patching the intructions. Use
riscv_patch_text_nosync() to patch code instead of probe_kernel_write.
Signed-off-by: Zong Li <zong.li@sifive.com>
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
Diffstat (limited to 'arch/riscv/mm/ptdump.c')
0 files changed, 0 insertions, 0 deletions