tracing/function: Simplify __ftrace_replace_code()

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Rewrite the __ftrace_replace_code() function, simplify it, but don't
change the code's logic.

First, we get the state we want to set, if the record has the same
state, then do nothing, otherwise enable/disable it.

Signed-off-by: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com>
Reviewed-by: Li Zefan <lizf@cn.fujitsu.com>
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>

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Xiao Guangrong 2009-07-15 12:32:15 +08:00 • committed by Frederic Weisbecker

parent da706d8bc8

commit 64fbcd1628

1 changed files with 18 additions and 54 deletions

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kernel/trace/ftrace.c

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