On 2024-10-29 03:33, Björn Töpel wrote: > On Mon, 28 Oct 2024 at 17:26, Celeste Liu <coelacanthushex@xxxxxxxxx> wrote: >> >> >> On 2024-10-28 08:17, Ron Economos wrote: >>> On 10/27/24 2:52 PM, Thomas Gleixner wrote: >>>> On Mon, Oct 28 2024 at 01:01, Celeste Liu wrote: >>>>> On 2024-10-27 23:56, Thomas Gleixner wrote: >>>>>> Equivalently you need to be able to modify orig_a0 for changing arg0, >>>>>> no? >>>>> Ok. >>>>> >>>>> Greg, could you accept a backport a new API parameter for >>>>> PTRACE_GETREGSET/PTRACE_SETREGSET to 4.19 LTS branch? >>>> Fix the problem properly and put a proper Fixes tag on it and worry >>>> about the backport later. >>>> >>>> Thanks, >>>> >>>> tglx >>>> >>> I wouldn't worry about backporting to the 4.19 kernel. It's essentially prehistoric for RISC-V. There's no device tree support for any hardware. Also, 4.19 will be going EOL very soon (December 2024). >> >> Ok, I will work on preparing a new patch to add a new set in >> PTRACE_GETREGSET/PTRACE_SETREGSET. > > Thanks for working/finding working on this! Looking forward to the patch! The patch to add new regset has been sent. See https://lore.kernel.org/lkml/20241201-riscv-new-regset-v1-1-c83c58abcc7b@xxxxxxxxxxxxxxxxx/T/