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author | Maxime Ripard <maxime@cerno.tech> | 2023-05-09 16:03:40 +0300 |
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committer | Maxime Ripard <maxime@cerno.tech> | 2023-05-09 16:03:40 +0300 |
commit | ff32fcca64437f679a2bf1c0a19d5def389a18e2 (patch) | |
tree | 122863d5d6159b30fd6834cbe599f8ce1b9e8144 /scripts/gdb/linux/cpus.py | |
parent | 79c87edd18ec49f5b6fb40175bd1b1fea9398fdb (diff) | |
parent | ac9a78681b921877518763ba0e89202254349d1b (diff) | |
download | linux-ff32fcca64437f679a2bf1c0a19d5def389a18e2.tar.xz |
Merge drm/drm-next into drm-misc-next
Start the 6.5 release cycle.
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Diffstat (limited to 'scripts/gdb/linux/cpus.py')
-rw-r--r-- | scripts/gdb/linux/cpus.py | 24 |
1 files changed, 15 insertions, 9 deletions
diff --git a/scripts/gdb/linux/cpus.py b/scripts/gdb/linux/cpus.py index 9ee99f9fae8d..255dc18cb9da 100644 --- a/scripts/gdb/linux/cpus.py +++ b/scripts/gdb/linux/cpus.py @@ -163,16 +163,22 @@ def get_current_task(cpu): task_ptr_type = task_type.get_type().pointer() if utils.is_target_arch("x86"): - var_ptr = gdb.parse_and_eval("&pcpu_hot.current_task") - return per_cpu(var_ptr, cpu).dereference() + 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() + else: + var_ptr = gdb.parse_and_eval("&pcpu_hot.current_task") + return per_cpu(var_ptr, cpu).dereference() elif utils.is_target_arch("aarch64"): - current_task_addr = gdb.parse_and_eval("$SP_EL0") - if((current_task_addr >> 63) != 0): - current_task = current_task_addr.cast(task_ptr_type) - return current_task.dereference() - else: - raise gdb.GdbError("Sorry, obtaining the current task is not allowed " - "while running in userspace(EL0)") + current_task_addr = gdb.parse_and_eval("$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") |