riscv: add hardware error trap handler support#271
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community inclusion category: feature bugzilla: RVCK-Project#269 Reference: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20260413&id=5d5c5d0f2be9cf0351ad8e90516c519a8db22981 --------------------------- Add support for handling hardware error traps (exception code 19) in the RISC-V architecture. The changes include: - Add do_trap_hardware_error function declaration in asm-prototypes.h - Add hardware error trap vector entry in entry.S exception vector table - Implement do_trap_hardware_error handler in traps.c that generates SIGBUS with BUS_MCEERR_AR for hardware errors This enables proper handling of hardware error exceptions that may occur in RISC-V systems, providing appropriate error reporting and signal generation for user space processes. Signed-off-by: Rui Qi <qirui.001@bytedance.com> Link: https://patch.msgid.link/20260202094200.53735-1-qirui.001@bytedance.com [pjw@kernel.org: clean up commit message slightly] Signed-off-by: Paul Walmsley <pjw@kernel.org> Signed-off-by: Lu Peng <lu.peng3@zte.com.cn> Signed-off-by: liuqingtao <liu.qingtao2@zte.com.cn>
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开始测试 log: https://github.com/RVCK-Project/rvck/actions/runs/25775109944 参数解析结果
测试完成 详细结果:
Kunit Test Result[02:51:05] Testing complete. Ran 457 tests: passed: 445, skipped: 12
Kernel Build Result
Check Patch Result
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riscv: add hardware error trap handler support
community inclusion
category: feature
bugzilla: #269
Reference: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20260413&id=5d5c5d0f2be9cf0351ad8e90516c519a8db22981
Add support for handling hardware error traps (exception code 19)
in the RISC-V architecture. The changes include:
SIGBUS with BUS_MCEERR_AR for hardware errors
This enables proper handling of hardware error exceptions that may occur
in RISC-V systems, providing appropriate error reporting and signal
generation for user space processes.
Signed-off-by: Rui Qi qirui.001@bytedance.com
Link: https://patch.msgid.link/20260202094200.53735-1-qirui.001@bytedance.com
[pjw@kernel.org: clean up commit message slightly]
Signed-off-by: Paul Walmsley pjw@kernel.org
Signed-off-by: Lu Peng lu.peng3@zte.com.cn
Signed-off-by: liuqingtao liu.qingtao2@zte.com.cn