diff options
| author | Yong-Xuan Wang <yongxuan.wang@sifive.com> | 2024-12-20 16:39:23 +0800 |
|---|---|---|
| committer | Palmer Dabbelt <palmer@rivosinc.com> | 2025-02-14 13:06:44 -0800 |
| commit | aa49bc2ca8524186ceb0811c23a7f00c3dea6987 (patch) | |
| tree | e40235de058bde9c364ee22a1fd77a93bb6677b3 | |
| parent | 713e788c0e07e185fd44dd581f74855ef149722f (diff) | |
riscv: signal: fix signal frame size
The signal context of certain RISC-V extensions will be appended after
struct __riscv_extra_ext_header, which already includes an empty context
header. Therefore, there is no need to preserve a separate hdr for the
END of signal context.
Fixes: 8ee0b41898fa ("riscv: signal: Add sigcontext save/restore for vector")
Signed-off-by: Yong-Xuan Wang <yongxuan.wang@sifive.com>
Reviewed-by: Zong Li <zong.li@sifive.com>
Reviewed-by: Andy Chiu <AndybnAC@gmail.com>
Reviewed-by: Alexandre Ghiti <alexghiti@rivosinc.com>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20241220083926.19453-2-yongxuan.wang@sifive.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
| -rw-r--r-- | arch/riscv/kernel/signal.c | 6 |
1 files changed, 0 insertions, 6 deletions
diff --git a/arch/riscv/kernel/signal.c b/arch/riscv/kernel/signal.c index 94e905eea1de..08378fea3a11 100644 --- a/arch/riscv/kernel/signal.c +++ b/arch/riscv/kernel/signal.c @@ -215,12 +215,6 @@ static size_t get_rt_frame_size(bool cal_all) if (cal_all || riscv_v_vstate_query(task_pt_regs(current))) total_context_size += riscv_v_sc_size; } - /* - * Preserved a __riscv_ctx_hdr for END signal context header if an - * extension uses __riscv_extra_ext_header - */ - if (total_context_size) - total_context_size += sizeof(struct __riscv_ctx_hdr); frame_size += total_context_size; |