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Haoran Jiang 73555fdab5 LoongArch: Fix oops during single-step debugging 
When entering KDB via a breakpoint and then performing single-step
debugging, an oops is triggered. Now during single-step debugging,
kdb_local() expects the reason to be KDB_REASON_SSTEP, but it is
actually KDB_REASON_OOPS. In kdb_stub(), when determining the reason,
the ex_vector for single-step should be 0, as already implemented on
other architectures such as arm64 and riscv.

Before the patch:
[112]kdb> ss

Entering kdb (current=0x900020009f520000, pid 10661) on
processor 112 Oops: (null)
due to oops @ 0x90000000005b57a4

Cc: stable@vger.kernel.org
Signed-off-by: Haoran Jiang <jianghaoran@kylinos.cn>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
2026-07-23 22:27:30 +08:00
..
.gitignore
access-helper.h LoongArch: Add exception/interrupt handling 2022-06-03 20:09:28 +08:00
acpi.c LoongArch: Retrieve CPU package ID from PPTT when available 2026-07-23 22:27:29 +08:00
alternative.c LoongArch: Fix build warnings about export.h 2025-06-26 20:07:18 +08:00
asm-offsets.c LoongArch: Add THREAD_INFO_IN_TASK implementation 2026-06-25 13:03:47 +08:00
cacheinfo.c LoongArch: Correct the cacheinfo sharing information 2025-01-25 18:51:33 +08:00
cpu-probe.c LoongArch: Define instruction formats for AM{SWAP/ADD}.{B/H} and DBAR 2026-04-22 15:45:13 +08:00
crash_dump.c LoongArch: Add kdump support 2022-10-12 16:36:19 +08:00
dma.c dma-mapping: Add helpers for dma_range_map bounds 2024-04-26 12:07:24 +02:00
efi-header.S LoongArch: Adjust boot & setup for 32BIT/64BIT 2025-12-08 18:09:17 +08:00
efi.c efi: Support EDID information 2025-12-16 14:40:51 +01:00
elf.c LoongArch: Fix build warnings about export.h 2025-06-26 20:07:18 +08:00
entry.S LoongArch: Add THREAD_INFO_IN_TASK implementation 2026-06-25 13:03:47 +08:00
env.c LoongArch: Fix missing NULL checks for kstrdup() 2026-03-26 14:29:08 +08:00
fpu.S LoongArch: Align FPU register state to 32 bytes 2026-04-22 15:45:11 +08:00
ftrace_dyn.c LoongArch: ftrace: Use RCU in all users of __module_text_address(). 2025-03-10 11:54:45 +01:00
ftrace.c LoongArch/ftrace: Add basic support 2022-12-14 08:41:53 +08:00
genex.S LoongArch: Move __arch_cpu_idle() to .cpuidle.text section 2025-05-14 22:17:52 +08:00
head.S LoongArch: Add THREAD_INFO_IN_TASK implementation 2026-06-25 13:03:47 +08:00
hw_breakpoint.c LoongArch: Change 8 to 14 for LOONGARCH_MAX_{BRP,WRP} 2025-01-26 21:49:59 +08:00
idle.c LoongArch: Fix idle VS timer enqueue 2025-02-13 12:02:35 +08:00
image-vars.h sysfb: Replace screen_info with sysfb_primary_display 2025-12-16 14:12:44 +01:00
inst.c LoongArch: Batch the icache maintenance for jump_label 2026-04-22 15:45:13 +08:00
irq.c LoongArch: Override arch_dynirq_lower_bound to reserve LPC IRQs 2026-03-26 16:15:03 +01:00
jump_label.c LoongArch: Batch the icache maintenance for jump_label 2026-04-22 15:45:13 +08:00
kdebugfs.c LoongArch: Add debugfs entries to switch SFB/TSO state 2025-01-26 21:49:59 +08:00
kexec_efi.c LoongArch: kexec: Initialize the kexec_buf structure 2025-11-10 08:37:07 +08:00
kexec_elf.c LoongArch: kexec: Initialize the kexec_buf structure 2025-11-10 08:37:07 +08:00
kfpu.c LoongArch: Fix build warnings about export.h 2025-06-26 20:07:18 +08:00
kgdb.c LoongArch: Fix oops during single-step debugging 2026-07-23 22:27:30 +08:00
kprobes.c LoongArch: kprobes: Fix handling of fatal unrecoverable recursions 2026-05-22 15:05:07 +08:00
lbt.S LoongArch: Handle fp, lsx, lasx and lbt assembly symbols 2025-04-26 09:58:12 +08:00
machine_kexec_file.c Convert 'alloc_flex' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
machine_kexec.c LoongArch: Fix address space mismatch in kexec command line lookup 2026-07-23 22:27:30 +08:00
Makefile LoongArch: Add ELF binary support for kexec_file 2025-10-02 22:39:08 +08:00
Makefile.syscalls LoongArch: Wire up memfd_secret system call 2026-02-10 19:31:12 +08:00
mcount_dyn.S LoongArch: Refactor register restoration in ftrace_common_return 2025-12-31 15:19:20 +08:00
mcount.S fgraph: Replace fgraph_ret_regs with ftrace_regs 2024-12-26 10:50:02 -05:00
mem.c LoongArch: Consolidate max_pfn & max_low_pfn calculation 2025-11-10 08:37:06 +08:00
module-sections.c LoongArch: Adjust module loader for 32BIT/64BIT 2025-12-08 18:09:17 +08:00
module.c LoongArch: Adjust module loader for 32BIT/64BIT 2025-12-08 18:09:17 +08:00
numa.c LoongArch: Fix NUMA node parsing with numa_memblks 2025-11-20 14:42:05 +08:00
paravirt.c LoongArch: KVM: Make vcpu_is_preempted() as a macro rather than function 2026-04-09 18:56:36 +08:00
perf_event.c LoongArch: Fix PMU counter allocation for mixed-type event groups 2026-01-17 10:56:43 +08:00
perf_regs.c LoongArch: Add perf events support 2022-10-12 16:36:14 +08:00
proc.c LoongArch: Define instruction formats for AM{SWAP/ADD}.{B/H} and DBAR 2026-04-22 15:45:13 +08:00
process.c LoongArch: Add THREAD_INFO_IN_TASK implementation 2026-06-25 13:03:47 +08:00
ptrace.c LoongArch: Adjust process management for 32BIT/64BIT 2025-12-08 18:09:17 +08:00
relocate_kernel.S LoongArch: Make relocate_new_kernel_size be a .quad value 2025-08-03 22:49:47 +08:00
relocate.c LoongArch: Add THREAD_INFO_IN_TASK implementation 2026-06-25 13:03:47 +08:00
reset.c LoongArch: Fix idle VS timer enqueue 2025-02-13 12:02:35 +08:00
rethook_trampoline.S LoongArch: Fix build errors due to wrong instructions for 32BIT 2026-07-23 22:27:16 +08:00
rethook.c LoongArch: Replace kretprobe with rethook 2023-06-29 20:58:44 +08:00
rethook.h LoongArch: Replace kretprobe with rethook 2023-06-29 20:58:44 +08:00
setup.c LoongArch: Move jump_label_init() before parse_early_param() 2026-07-23 22:27:29 +08:00
signal.c LoongArch: vDSO: Emit GNU_EH_FRAME correctly 2026-03-26 14:29:09 +08:00
smp.c LoongArch: Retrieve CPU package ID from PPTT when available 2026-07-23 22:27:29 +08:00
stacktrace.c LoongArch: Fix unreliable stack for live patching 2025-09-18 19:44:08 +08:00
switch.S LoongArch: Add THREAD_INFO_IN_TASK implementation 2026-06-25 13:03:47 +08:00
syscall.c LoongArch changes for v7.1 2026-04-24 09:54:45 -07:00
sysrq.c tty: sysrq: switch sysrq handlers from int to u8 2023-07-25 19:21:03 +02:00
time.c LoongArch: Adjust VDSO/VSYSCALL for 32BIT/64BIT 2025-12-08 18:09:17 +08:00
topology.c LoongArch: convert to use arch_cpu_is_hotpluggable() 2023-12-06 12:41:50 +09:00
traps.c LoongArch: Add THREAD_INFO_IN_TASK implementation 2026-06-25 13:03:47 +08:00
unaligned.c LoongArch: Adjust misc routines for 32BIT/64BIT 2025-12-08 18:09:17 +08:00
unwind_guess.c LoongArch: Fix build warnings about export.h 2025-06-26 20:07:18 +08:00
unwind_orc.c LoongArch: Remove some extern variables in source files 2026-02-10 19:31:14 +08:00
unwind_prologue.c LoongArch: Remove some extern variables in source files 2026-02-10 19:31:14 +08:00
unwind.c LoongArch: Set unwind stack type to unknown rather than set error flag 2023-12-09 15:49:15 +08:00
uprobes.c LoongArch: uprobes: Remove redundant code about resume_era 2025-05-14 22:18:10 +08:00
vdso.c LoongArch: vDSO: Explicitly include asm/vdso/vdso.h 2026-03-11 15:12:41 +01:00
vmlinux.lds.S LoongArch: Adjust build infrastructure for 32BIT/64BIT 2026-04-22 15:44:26 +08:00