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| author | Glenn Washburn <development@efficientek.com> | 2023-02-27 05:05:59 +0100 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2023-04-08 22:45:36 +0200 |
| commit | 56fe487062b5561ceabb9f866327cd0b041f3a09 (patch) | |
| tree | 95d0ad0f1de76adb1787f5bdcac0305e74e8624e /scripts/gdb | |
| parent | dca: delete unnecessary variable (diff) | |
| download | linux-56fe487062b5561ceabb9f866327cd0b041f3a09.tar.xz linux-56fe487062b5561ceabb9f866327cd0b041f3a09.zip | |
scripts/gdb: correct indentation in get_current_task
Patch series "scripts/gdb: Support getting current task struct in UML",
v3.
A running x86 UML kernel reports with architecture "i386:x86-64" as it is
a sub-architecture. However, a difference with bare-metal x86 kernels is
in how it manages tasks and the current task struct. To identify that the
inferior is a UML kernel and not bare-metal, check for the existence of
the UML specific symbol "cpu_tasks" which contains the current task
struct.
This patch (of 3):
There is an extra space in a couple blocks in get_current_task. Though
python does not care, let's make the spacing consistent. Also, format
better an if expression, removing unneeded parenthesis.
Link: https://lkml.kernel.org/r/cover.1677469905.git.development@efficientek.com
Link: https://lkml.kernel.org/r/2e117b82240de6893f27cb6507242ce455ed7b5b.1677469905.git.development@efficientek.com
Signed-off-by: Glenn Washburn <development@efficientek.com>
Reviewed-by: Jan Kiszka <jan.kiszka@siemens.com>
Cc: Anton Ivanov <anton.ivanov@kot-begemot.co.uk>
Cc: Johannes Berg <johannes@sipsolutions.net>
Cc: Kieran Bingham <kbingham@kernel.org>
Cc: Richard Weinberger <richard@nod.at>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'scripts/gdb')
| -rw-r--r-- | scripts/gdb/linux/cpus.py | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/scripts/gdb/linux/cpus.py b/scripts/gdb/linux/cpus.py index 9ee99f9fae8d..e8d2a62ff119 100644 --- a/scripts/gdb/linux/cpus.py +++ b/scripts/gdb/linux/cpus.py @@ -163,16 +163,16 @@ 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() + 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") |