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authorSteven Rostedt <srostedt@redhat.com>2011-02-09 13:27:22 -0500
committerSteven Rostedt <rostedt@goodmis.org>2012-08-23 11:25:29 -0400
commit781d06248234e221edb560a18461d65808a8a942 (patch)
tree99e4dcca5af9de75b5beb37a73d3250905613757 /kernel/trace
parenta2546fae01124fb8063747439300fcf39bac033a (diff)
ftrace: Do not test frame pointers if -mfentry is used
The function graph has a test to check if the frame pointer is corrupted, which can happen with various options of gcc with mcount. But this is not an issue with -mfentry as -mfentry does not need nor use frame pointers for function graph tracing. Link: http://lkml.kernel.org/r/20120807194059.773895870@goodmis.org Acked-by: H. Peter Anvin <hpa@linux.intel.com> Acked-by: Ingo Molnar <mingo@kernel.org> Cc: Andi Kleen <andi@firstfloor.org> Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Diffstat (limited to 'kernel/trace')