Hello! This series adds debugging code for stalled smp_call_function() handlers: 1. Add backtrace_idle parameter to force backtrace of idle CPUs. 2. Add source and destination CPUs to __call_single_data. 3. kernel/smp: Provide CSD lock timeout diagnostics. 4. Make symbol 'csd_bug_count' static. Thanx, Paul ------------------------------------------------------------------------ Documentation/admin-guide/kernel-parameters.txt | 4 include/linux/smp.h | 3 include/linux/smp_types.h | 3 kernel/smp.c | 136 +++++++++++++++++++++++- lib/Kconfig.debug | 11 + lib/nmi_backtrace.c | 6 - 6 files changed, 161 insertions(+), 2 deletions(-)
