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tracing: Fix comment about prefix in arch_syscall_match_sym_name()

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ppc64 has its own syscall prefix like ".SyS" or ".sys". Make the
comment in arch_syscall_match_sym_name() more understandable.

Link: http://lkml.kernel.org/r/513D842F.40205@huawei.com

Signed-off-by: zhangwei(Jovi) <jovi.zhangwei@huawei.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
This commit is contained in:
zhangwei(Jovi) 2013-03-11 15:13:51 +08:00 committed by Steven Rostedt
parent ad7067cebf
commit 36a78e9e87
1 changed files with 1 additions and 1 deletions
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kernel/trace/trace_syscalls.c
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@ -37,7 +37,7 @@ static inline bool arch_syscall_match_sym_name(const char *sym, const char *name
/* /*
* Only compare after the "sys" prefix. Archs that use * Only compare after the "sys" prefix. Archs that use
* syscall wrappers may have syscalls symbols aliases prefixed * syscall wrappers may have syscalls symbols aliases prefixed
* with "SyS" instead of "sys", leading to an unwanted * with ".SyS" or ".sys" instead of "sys", leading to an unwanted
* mismatch. * mismatch.
*/ */
return !strcmp(sym + 3, name + 3); return !strcmp(sym + 3, name + 3);