Hi Will/Catalin, Do you have any specific comment for this patch set?
~Pratyush [1] https://lkml.org/lkml/2016/8/22/69 On 02/08/2016:11:00:04 AM, Pratyush Anand wrote: > ARM64 kprobe support is lying in torvalds/linux.git:master now. Therefore > sending my uprobe patches which were dependent on decode-insn code of kprobe > patches. > > Unit tests for following have been done so far and they have been found > working. > 1. Step-able instructions, like sub, ldr, add etc. > 2. Simulation-able like ret, cbnz, cbz etc. > 3. uretprobe > 4. Reject-able instructions like sev, wfe etc. > 5. trapped and abort xol path > 6. probe at unaligned user address. > 7. longjump test cases > > Currently it does not support aarch32 instruction probing. > > RFC patches were sent long back, and all review comments for RFCs have been > incorporated. RFCs were here: https://lwn.net/Articles/648514/ > > Pratyush Anand (5): > arm64: kprobe: protect/rename few definitions to be reused by uprobe > arm64: kgdb_step_brk_fn: ignore other's exception > arm64: Handle TRAP_HWBRKPT for user mode as well > arm64: Handle TRAP_BRKPT for user mode as well > arm64: Add uprobe support > > arch/arm64/Kconfig | 3 + > arch/arm64/include/asm/debug-monitors.h | 3 + > arch/arm64/include/asm/probes.h | 23 ++-- > arch/arm64/include/asm/ptrace.h | 8 ++ > arch/arm64/include/asm/thread_info.h | 5 +- > arch/arm64/include/asm/uprobes.h | 37 ++++++ > arch/arm64/kernel/debug-monitors.c | 40 +++--- > arch/arm64/kernel/entry.S | 6 +- > arch/arm64/kernel/kgdb.c | 3 + > arch/arm64/kernel/probes/Makefile | 2 + > arch/arm64/kernel/probes/decode-insn.c | 31 ++--- > arch/arm64/kernel/probes/decode-insn.h | 8 +- > arch/arm64/kernel/probes/kprobes.c | 36 ++--- > arch/arm64/kernel/probes/uprobes.c | 227 > ++++++++++++++++++++++++++++++++ > arch/arm64/kernel/signal.c | 4 +- > arch/arm64/mm/flush.c | 6 + > 16 files changed, 378 insertions(+), 64 deletions(-) > create mode 100644 arch/arm64/include/asm/uprobes.h > create mode 100644 arch/arm64/kernel/probes/uprobes.c > > -- > 2.5.5
