Hi, The series is not yet mergeable because it would break PowerPc (hot regs snapshot API has been changed, and I don't know how to update PowerPc for that). But if you're fine with the ideas, I can integrate the necessary changes to fix this, and also separate fixes and updates. Thanks. Frederic Weisbecker (7): perf: Drop the frame reliablity check perf: Fetch hot regs from the template caller x86: Unify dumpstack.h and stacktrace.h perf: Move perf_arch_fetch_caller_regs into a macro perf: Make perf_fetch_caller_regs rewind to the first caller only perf: Use hot regs with software sched/migrate events perf: Correctly align perf event tracing buffer arch/x86/include/asm/perf_event.h | 10 ++++++- arch/x86/include/asm/stacktrace.h | 45 ++++++++++++++++++++++++++++++++ arch/x86/kernel/cpu/perf_event.c | 18 +------------ arch/x86/kernel/dumpstack.c | 1 - arch/x86/kernel/dumpstack.h | 47 ---------------------------------- arch/x86/kernel/dumpstack_32.c | 2 - arch/x86/kernel/dumpstack_64.c | 2 - arch/x86/kernel/stacktrace.c | 7 +++-- include/linux/perf_event.h | 51 ++++++++++++++---------------------- include/trace/ftrace.h | 23 ++++++++-------- kernel/perf_event.c | 10 +------ kernel/trace/trace_event_perf.c | 13 ++++++--- 12 files changed, 101 insertions(+), 128 deletions(-) delete mode 100644 arch/x86/kernel/dumpstack.h -- To unsubscribe from this list: send the line "unsubscribe linux-arch" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html