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5 Commits

Author SHA1 Message Date
Paul Walmsley
852947be66 riscv: kprobes: convert one final __ASSEMBLY__ to __ASSEMBLER__ 
Per the reasoning in commit f811f58597 ("riscv: Replace __ASSEMBLY__
with __ASSEMBLER__ in non-uapi headers"), convert one last remaining
instance of __ASSEMBLY__ in the arch/riscv kprobes code.  This entered
the tree from patches that were sent before Thomas' changes; and when
I reviewed the kprobes patches before queuing them, I missed this
instance.

Cc: Nam Cao <namcao@linutronix.dev>
Cc: Thomas Huth <thuth@redhat.com>
Link: https://lore.kernel.org/linux-riscv/16b74b63-f223-4f0b-b6e5-31cea5e620b4@redhat.com/
Link: https://lore.kernel.org/linux-riscv/20250606070952.498274-1-thuth@redhat.com/
Signed-off-by: Paul Walmsley <pjw@kernel.org>
 2025-10-10 16:04:25 -06:00
Nam Cao
f2fab61282 riscv: Add kprobes KUnit test 
Add KUnit test for riscv kprobes, mostly for simulated instructions. The
test install kprobes into multiple sample functions, and check that these
functions still return the expected magic value.

This test can detect some kprobe bugs reported in the past (in Link:).

Link: https://lore.kernel.org/linux-riscv/20241119111056.2554419-1-namcao@linutronix.de/
Link: https://lore.kernel.org/stable/c7e463c0-8cad-4f4e-addd-195c06b7b6de@iscas.ac.cn/
Link: https://lore.kernel.org/linux-riscv/20230829182500.61875-1-namcaov@gmail.com/
Signed-off-by: Nam Cao <namcao@linutronix.de>
Tested-by: Alexandre Ghiti <alexghiti@rivosinc.com>
Link: https://lore.kernel.org/r/20250513151631.3520793-1-namcao@linutronix.de
Signed-off-by: Paul Walmsley <pjw@kernel.org>
 2025-09-16 16:25:51 -06:00
Masahiro Yamada
cd14b01846 treewide: replace or remove redundant def_bool in Kconfig files 
'def_bool X' is a shorthand for 'bool' plus 'default X'.

'def_bool' is redundant where 'bool' is already present, so 'def_bool X'
can be replaced with 'default X', or removed if X is 'n'.

Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
 2024-02-20 20:47:45 +09:00
Charlie Jenkins
82180b1fae Support rv32 ULEB128 test 
Use opcodes available to both rv32 and rv64 in uleb128 module linking
test.

Fixes: af71bc1949 ("riscv: Add tests for riscv module loading")
Signed-off-by: Charlie Jenkins <charlie@rivosinc.com>
Reported-by: Randy Dunlap <rdunlap@infradead.org>
Closes: https://lore.kernel.org/lkml/1d7c71ee-5742-4df4-b8ef-a2aea0a624eb@infradead.org/
Tested-by: Randy Dunlap <rdunlap@infradead.org> # build-tested
Link: https://lore.kernel.org/r/20231122-module_fixup-v2-1-dfb9565e9ea5@rivosinc.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
 2023-12-06 04:08:39 -08:00
Charlie Jenkins
af71bc1949 riscv: Add tests for riscv module loading 
Add test cases for the two main groups of relocations added: SUB and
SET, along with uleb128.

Signed-off-by: Charlie Jenkins <charlie@rivosinc.com>
Link: https://lore.kernel.org/r/20231101-module_relocations-v9-3-8dfa3483c400@rivosinc.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
 2023-11-07 14:59:32 -08:00