This backported patch should be applied to kernel 4.4. Otherwise GPF/NULL pointer derefer will happens on related platforms upon attempt to use perf in some use cases (perf record). Stephane Eranian (1): perf/x86: Fix LBR related crashes on Intel Atom and Intel Xeon arch/x86/kernel/cpu/perf_event_intel_lbr.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) -- 2.10.3.dirty