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authorDavid S. Miller <davem@davemloft.net>2012-10-02 23:02:10 -0400
committerDavid S. Miller <davem@davemloft.net>2012-10-02 23:02:10 -0400
commit954f9ac43b87b44152b8c21163cefd466a87145e (patch)
tree31c4197f975c66c96976948663e6ce844900b41a /kernel/trace/trace_functions_graph.c
parent1b62ca7bf5775bed048032b7e779561e1fe66aa0 (diff)
parent7fe0b14b725d6d09a1d9e1409bd465cb88b587f9 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux
There's a Niagara 2 memcpy fix in this tree and I have a Kconfig fix from Dave Jones which requires the sparc-next changes which went upstream yesterday. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'kernel/trace/trace_functions_graph.c')
-rw-r--r--kernel/trace/trace_functions_graph.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/kernel/trace/trace_functions_graph.c b/kernel/trace/trace_functions_graph.c
index ce27c8ba8d31..99b4378393d5 100644
--- a/kernel/trace/trace_functions_graph.c
+++ b/kernel/trace/trace_functions_graph.c
@@ -143,7 +143,7 @@ ftrace_pop_return_trace(struct ftrace_graph_ret *trace, unsigned long *ret,
143 return; 143 return;
144 } 144 }
145 145
146#ifdef CONFIG_HAVE_FUNCTION_GRAPH_FP_TEST 146#if defined(CONFIG_HAVE_FUNCTION_GRAPH_FP_TEST) && !defined(CC_USING_FENTRY)
147 /* 147 /*
148 * The arch may choose to record the frame pointer used 148 * The arch may choose to record the frame pointer used
149 * and check it here to make sure that it is what we expect it 149 * and check it here to make sure that it is what we expect it
@@ -154,6 +154,9 @@ ftrace_pop_return_trace(struct ftrace_graph_ret *trace, unsigned long *ret,
154 * 154 *
155 * Currently, x86_32 with optimize for size (-Os) makes the latest 155 * Currently, x86_32 with optimize for size (-Os) makes the latest
156 * gcc do the above. 156 * gcc do the above.
157 *
158 * Note, -mfentry does not use frame pointers, and this test
159 * is not needed if CC_USING_FENTRY is set.
157 */ 160 */
158 if (unlikely(current->ret_stack[index].fp != frame_pointer)) { 161 if (unlikely(current->ret_stack[index].fp != frame_pointer)) {
159 ftrace_graph_stop(); 162 ftrace_graph_stop();