Hello, This series attempts to improve AP boot failure diagnosis by improving the printed failure messages (patch 1) and detecting AP getting stuck during bringup (patch 4). Patches 2 and 3 are preparatory changes for the work done in patch 4.
They should be non-functional changes for systems working correctly. Thanks, Roger. Roger Pau Monne (4): x86/boot: print CPU and APIC ID in bring up failure x86/traps: remove smp_mb() ahead of IPI dispatch x86/traps: split code to dump execution state to a separate helper x86/boot: attempt to print trace and panic on AP bring up stall xen/arch/x86/include/asm/processor.h | 1 + xen/arch/x86/smpboot.c | 14 +++++- xen/arch/x86/traps.c | 64 +++++++++++++++++----------- 3 files changed, 51 insertions(+), 28 deletions(-) -- 2.49.0