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authorFrederic Weisbecker <fweisbec@gmail.com>2009-02-08 00:04:02 +0100
committerIngo Molnar <mingo@elte.hu>2009-02-09 10:51:38 +0100
commit3861a17bcc0af815f684c6178bc9ec2d790c350e (patch)
treee5ab19215ea802a0c57279cd6dd89f68347b53b4 /kernel/extable.c
parent1292211058aaf872eeb2a0e2677d237916b4501f (diff)
downloadlinaro-lsk-3861a17bcc0af815f684c6178bc9ec2d790c350e.tar.gz
tracing/function-graph-tracer: drop the kernel_text_address check
When the function graph tracer picks a return address, it ensures this address is really a kernel text one by calling __kernel_text_address() Actually this path has never been taken.Its role was more likely to debug the tracer on the beginning of its development but this function is wasteful since it is called for every traced function. The fault check is already sufficient. Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'kernel/extable.c')
-rw-r--r--kernel/extable.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/kernel/extable.c b/kernel/extable.c
index e136ed8d82b..0df6253730b 100644
--- a/kernel/extable.c
+++ b/kernel/extable.c
@@ -41,7 +41,7 @@ const struct exception_table_entry *search_exception_tables(unsigned long addr)
return e;
}
-__notrace_funcgraph int core_kernel_text(unsigned long addr)
+int core_kernel_text(unsigned long addr)
{
if (addr >= (unsigned long)_stext &&
addr <= (unsigned long)_etext)
@@ -54,7 +54,7 @@ __notrace_funcgraph int core_kernel_text(unsigned long addr)
return 0;
}
-__notrace_funcgraph int __kernel_text_address(unsigned long addr)
+int __kernel_text_address(unsigned long addr)
{
if (core_kernel_text(addr))
return 1;