[PATCH 4.9 18/91] Revert "perf report: Add warning when libunwind not compiled in"

[Greg Kroah-Hartman]

This reverts commit 59b706ce44dbfd35a428f2cbad47794ce5dce1eb.

This change depends on more changes that didn't exist in 4.9 and older.

Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
 tools/perf/builtin-report.c | 7 -------
 1 file changed, 7 deletions(-)

diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c
index 33ff5c843346..6e88460cd13d 100644
--- a/tools/perf/builtin-report.c
+++ b/tools/perf/builtin-report.c
@@ -292,13 +292,6 @@ static int report__setup_sample_type(struct report *rep)
 				PERF_SAMPLE_BRANCH_ANY))
 		rep->nonany_branch_mode = true;
 
-#ifndef HAVE_LIBUNWIND_SUPPORT
-	if (dwarf_callchain_users) {
-		ui__warning("Please install libunwind development packages "
-			    "during the perf build.\n");
-	}
-#endif
-
 	return 0;
 }
 
-- 
2.20.1