a16619fd20dbe6ea author Ingo Molnar 1243589109 +0200 committer Ingo Molnar 1245011835 +0200 perf_counter, x86: Fix call-chain walking Fix the ptregs variant when we hit user-mode tasks. Cc: Frederic Weisbecker Cc: Pekka Enberg Cc: Arjan van de Ven Cc: Peter Zijlstra Cc: Mike Galbraith Cc: Paul Mackerras Cc: Arnaldo Carvalho de Melo LKML-Reference: Signed-off-by: Ingo Molnar y¯Üê›ax