[PATCH 4.4 18/70] perf powerpc: Fix callchain ip filtering

4.4-stable review patch. If anyone has any objections, please let me know. -- From: Sandipan Das [ Upstream commit c715fcfda5a08edabaa15508742be926b7ee51db ] For powerpc64, redundant entries in the callchain are filtered out by determining the state of the return address and

[PATCH 4.4 18/70] perf powerpc: Fix callchain ip filtering

4.4-stable review patch. If anyone has any objections, please let me know. -- From: Sandipan Das [ Upstream commit c715fcfda5a08edabaa15508742be926b7ee51db ] For powerpc64, redundant entries in the callchain are filtered out by determining the state of the return address and