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ftrace: nmi safe code clean ups

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Impact: cleanup

This patch cleans up the NMI safe code for dynamic ftrace as suggested
by Andrew Morton.

Signed-off-by: Steven Rostedt <srostedt@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Steven Rostedt 2008-10-31 00:03:22 -04:00 • committed by Ingo Molnar
parent b807c3d0f8
commit a26a2a2739
8 changed files with 28 additions and 26 deletions
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3
include/linux/ftrace.h
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@ -74,6 +74,9 @@ extern void ftrace_caller(void);
extern void ftrace_call(void);
extern void mcount_call(void);
/* May be defined in arch */
extern int ftrace_arch_read_dyn_info(char *buf, int size);
/**
* ftrace_modify_code - modify code segment
* @ip: the address of the code segment