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ec0b6d17a5
Patch series "scripts/gdb: Fixes for $lx_current and $lx_per_cpu". This series fixes several bugs in the GDB scripts related to the $lx_current and $lx_per_cpu functions. The changes were tested with GDB 10, 11, 12, 13, and 14. Patch 1 fixes false-negative results when probing for KGDB Patch 2 fixes the $lx_per_cpu function, which is currently non-functional in QEMU-GDB and KGDB. Patch 3 fixes an additional bug in $lx_per_cpu that occurs with KGDB. Patch 4 fixes the incorrect detection of the current CPU number in KGDB, which silently breaks $lx_per_cpu and $lx_current. This patch (of 4): The KGDB probe function sometimes failed to detect KGDB for SMP machines as it assumed that task 2 (kthreadd) is running on CPU 0, which is not necessarily the case. Now, the detection is agnostic to kthreadd's CPU. Link: https://lkml.kernel.org/r/20240425153501.749966-1-mail@florommel.de Link: https://lkml.kernel.org/r/20240425153501.749966-2-mail@florommel.de Signed-off-by: Florian Rommel <mail@florommel.de> Cc: Andrew Jones <ajones@ventanamicro.com> Cc: Deepak Gupta <debug@rivosinc.com> Cc: Jan Kiszka <jan.kiszka@siemens.com> Cc: Kieran Bingham <kbingham@kernel.org> Cc: Kuan-Ying Lee <Kuan-Ying.Lee@mediatek.com> Cc: Palmer Dabbelt <palmer@rivosinc.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |
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| vmlinux-gdb.py | ||