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| author | Jisheng Zhang <jszhang@kernel.org> | 2025-04-10 07:05:26 +0000 |
|---|---|---|
| committer | Palmer Dabbelt <palmer@rivosinc.com> | 2025-05-08 10:01:00 -0700 |
| commit | f6bff7827a48e59cff1ef98aae72452d65174e0c (patch) | |
| tree | b0585c193bb888911f2b39cfd6df088226683073 /scripts/generate_rust_analyzer.py | |
| parent | cdf647e817143c9762c5bdf724ca2821a171f011 (diff) | |
riscv: uaccess: use 'asm_goto_output' for get_user()
With 'asm goto' we don't need to test the error etc, the exception just
jumps to the error handling directly.
Unlike put_user(), get_user() must work around GCC bugs [1] when using
output clobbers in an asm goto statement.
Link: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113921 # 1
Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
[Cyril Bur: Rewritten commit message]
Signed-off-by: Cyril Bur <cyrilbur@tenstorrent.com>
Reviewed-by: Alexandre Ghiti <alexghiti@rivosinc.com>
Link: https://lore.kernel.org/r/20250410070526.3160847-6-cyrilbur@tenstorrent.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
Diffstat (limited to 'scripts/generate_rust_analyzer.py')
0 files changed, 0 insertions, 0 deletions