On Thu, 23 Feb 2023 13:14:02 -0800
Andrew Morton <a...@linux-foundation.org> wrote:
> On Fri, 17 Feb 2023 19:11:52 -0600 Glenn Washburn
> <developm...@efficientek.com> wrote:
>
> > Added suggestions from Jan.
> >
> > Glenn
> >
> > Glenn Washburn (2):
> > scripts/gdb: Correct indentation in get_current_task
> > scripts/gdb: Support getting current task struct in UML
> >
>
> For some reason I get a bunch of rejects when applying these on top of
> the latest patchpile. Please check my end result:
It looks like there was a change from v6.2-rc8 to v6.2 that caused a
conflict.
>
> def get_current_task(cpu):
> task_ptr_type = task_type.get_type().pointer()
>
> if utils.is_target_arch("x86"):
> if gdb.lookup_global_symbol("cpu_tasks"):
> # This is a UML kernel, which stores the current task
> # differently than other x86 sub architectures
> var_ptr = gdb.parse_and_eval("(struct task_struct
> *)cpu_tasks[0].task") return var_ptr.dereference()
This is missing the return statement in the second patch.
> else:
> var_ptr = gdb.parse_and_eval("¤t_task")
It looks like "current_task" has now been changed to
"pcpu_hot.current_task" in v6.2.
Would you like me to resent the series rebased onto v6.2?
Glenn
> return per_cpu(var_ptr, cpu).dereference()
> elif utils.is_target_arch("aarch64"):
> current_task_addr = gdb.parse_and_eval("$SP_EL0")
> if((current_task_addr >> 63) != 0):
> current_task = current_task_addr.cast(task_ptr_type)
> return current_task.dereference()
> else:
> raise gdb.GdbError("Sorry, obtaining the current task is
> not allowed " "while running in userspace(EL0)")
> else:
> raise gdb.GdbError("Sorry, obtaining the current task is not
> yet " "supported with this arch")
>
>
>
_______________________________________________
linux-um mailing list
linux-um@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-um
