linux/arch/riscv/kernel
Nam Cao 8cb22bec14
riscv: kprobes: allow writing to x0
Instructions can write to x0, so we should simulate these instructions
normally.

Currently, the kernel hangs if an instruction who writes to x0 is
simulated.

Fixes: c22b0bcb1d ("riscv: Add kprobes supported")
Cc: stable@vger.kernel.org
Signed-off-by: Nam Cao <namcaov@gmail.com>
Reviewed-by: Charlie Jenkins <charlie@rivosinc.com>
Acked-by: Guo Ren <guoren@kernel.org>
Link: https://lore.kernel.org/r/20230829182500.61875-1-namcaov@gmail.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
2023-11-05 14:12:47 -08:00
..
compat_vdso riscv: Handle zicsr/zifencei issue between gcc and binutils 2023-08-16 07:39:38 -07:00
pi riscv: Introduce virtual kernel mapping KASLR 2023-09-05 19:49:27 -07:00
probes riscv: kprobes: allow writing to x0 2023-11-05 14:12:47 -08:00
vdso RISC-V: hwprobe: Fix vDSO SIGSEGV 2023-11-02 14:05:30 -07:00
.gitignore
acpi.c RISC-V: ACPI: Enhance acpi_os_ioremap with MMIO remapping 2023-10-26 09:40:31 -07:00
alternative.c Merge patch series "Add non-coherent DMA support for AX45MP" 2023-09-08 11:24:34 -07:00
asm-offsets.c riscv: Implement Shadow Call Stack 2023-10-27 14:43:08 -07:00
cacheinfo.c RISC-V Patches for the 6.4 Merge Window, Part 1 2023-04-28 16:55:39 -07:00
cfi.c riscv: Add CFI error handling 2023-08-23 14:16:39 -07:00
compat_signal.c
compat_syscall_table.c riscv: Implement syscall wrappers 2023-08-23 14:16:36 -07:00
copy-unaligned.h RISC-V: Probe for unaligned access speed 2023-09-01 09:06:25 -07:00
copy-unaligned.S RISC-V: Probe for unaligned access speed 2023-09-01 09:06:25 -07:00
cpu-hotplug.c riscv: Switch to hotplug core state synchronization 2023-05-15 13:44:59 +02:00
cpu.c RISC-V Patches for the 6.6 Merge Window, Part 1 2023-09-01 08:09:48 -07:00
cpu_ops.c RISC-V: Align SBI probe implementation with spec 2023-04-29 13:04:50 -07:00
cpu_ops_sbi.c riscv: cpu_ops_sbi: Add 64bit hartid support on RV64 2022-07-19 16:38:58 -07:00
cpu_ops_spinwait.c RISC-V: cpu_ops_spinwait.c should include head.h 2022-08-11 13:24:16 -07:00
cpufeature.c riscv: don't probe unaligned access speed if already done 2023-11-05 09:05:51 -08:00
crash_core.c riscv: Export va_kernel_pa_offset in vmcoreinfo 2023-08-02 13:50:31 -07:00
crash_dump.c
crash_save_regs.S RISC-V: Fixup get incorrect user mode PC for kernel mode regs 2022-08-11 08:54:40 -07:00
efi-header.S riscv: Prepare EFI header for relocatable kernels 2023-04-19 07:46:28 -07:00
efi.c efi: Discover BTI support in runtime services regions 2023-02-04 09:19:02 +01:00
elf_kexec.c Merge patch series "riscv: kexec: cleanup and fixups" 2023-10-31 19:15:41 -07:00
entry.S Merge patch series "riscv: SCS support" 2023-11-02 14:05:23 -07:00
fpu.S riscv: add floating point insn support to misaligned access emulation 2023-11-01 08:34:55 -07:00
ftrace.c RISC-V: Don't check text_mutex during stop_machine 2023-03-09 14:58:51 -08:00
head.h riscv: entry: Convert to generic entry 2023-03-23 08:47:00 -07:00
head.S riscv: Implement Shadow Call Stack 2023-10-27 14:43:08 -07:00
hibernate-asm.S riscv: hibernation: Remove duplicate call of suspend_restore_csrs 2023-06-19 09:27:57 -07:00
hibernate.c riscv: hibernate: remove WARN_ON in save_processor_state 2023-06-23 10:06:22 -07:00
image-vars.h riscv: libstub: Implement KASLR by using generic functions 2023-09-05 19:49:31 -07:00
irq.c riscv: Use separate IRQ shadow call stacks 2023-10-27 14:43:09 -07:00
jump_label.c jump_label: make initial NOP patching the special case 2022-06-24 09:48:55 +02:00
kexec_relocate.S riscv: kexec: Cleanup riscv_kexec_relocate 2023-09-20 02:53:29 -07:00
kgdb.c RISC-V: rename parse_asm.h to insn.h 2022-12-29 06:59:47 -08:00
machine_kexec.c riscv: kexec: Fixup crash_smp_send_stop without multi cores 2022-11-29 21:50:59 -08:00
machine_kexec_file.c
Makefile riscv: add support for misaligned trap handling in S-mode 2023-11-01 08:34:53 -07:00
mcount-dyn.S riscv: entry: Consolidate general regs saving/restoring 2023-03-23 08:47:03 -07:00
mcount.S riscv: Add ftrace_stub_graph 2023-08-23 14:16:38 -07:00
module-sections.c
module.c riscv: module: Add ADD16 and SUB16 rela types 2023-01-31 23:29:40 -08:00
patch.c riscv: implement a memset like function for text 2023-09-06 06:26:06 -07:00
perf_callchain.c
perf_regs.c
process.c riscv: add support for PR_SET_UNALIGN and PR_GET_UNALIGN 2023-11-01 08:34:59 -07:00
ptrace.c RISC-V: Add ptrace support for vectors 2023-09-01 13:05:38 -07:00
reset.c
riscv_ksyms.c RISC-V: add infrastructure to allow different str* implementations 2023-01-31 11:43:23 -08:00
sbi-ipi.c RISC-V: Allow marking IPIs as suitable for remote FENCEs 2023-04-08 11:26:24 +01:00
sbi.c RISC-V: Align SBI probe implementation with spec 2023-04-29 13:04:50 -07:00
setup.c RISC-V: Enable cbo.zero in usermode 2023-09-21 04:22:24 -07:00
signal.c riscv: signal: handle syscall restart before get_signal 2023-11-05 06:43:01 -08:00
smp.c riscv: Fix CPU feature detection with SMP disabled 2023-08-08 15:28:25 -07:00
smpboot.c Merge patch series "Add support to handle misaligned accesses in S-mode" 2023-11-05 06:42:51 -08:00
soc.c
stacktrace.c riscv: Use READ_ONCE_NOCHECK in imprecise unwinding stack mode 2023-03-09 14:50:35 -08:00
suspend.c RISC-V: Change suspend_save_csrs and suspend_restore_csrs to public function 2023-04-29 11:25:10 -07:00
suspend_entry.S riscv: Move global pointer loading to a macro 2023-10-27 14:43:07 -07:00
sys_riscv.c RISC-V: hwprobe: Expose Zicboz extension and its block size 2023-09-21 04:22:25 -07:00
syscall_table.c riscv: Implement syscall wrappers 2023-08-23 14:16:36 -07:00
time.c RISC-V: time.c: Add ACPI support for time_init() 2023-06-01 08:45:13 -07:00
traps.c Merge patch series "Add support to handle misaligned accesses in S-mode" 2023-11-05 06:42:51 -08:00
traps_misaligned.c riscv: add support for PR_SET_UNALIGN and PR_GET_UNALIGN 2023-11-01 08:34:59 -07:00
vdso.c riscv: vdso: include vdso/vsyscall.h for vdso_data 2023-07-04 07:54:41 -07:00
vector.c riscv: vector: clear V-reg in the first-use trap 2023-07-01 07:38:21 -07:00
vmlinux-xip.lds.S riscv: vmlinux-xip.lds.S: remove .alternative section 2023-06-25 16:24:03 -07:00
vmlinux.lds.S riscv: enable HAVE_LD_DEAD_CODE_DATA_ELIMINATION 2023-06-25 16:24:05 -07:00