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| author | liubo <liubo2009@cn.fujitsu.com> | 2011-04-19 09:35:28 +0800 |
|---|---|---|
| committer | Steven Rostedt <rostedt@goodmis.org> | 2011-05-25 22:13:44 -0400 |
| commit | 2fc1b6f0d0a719e1e2a30bf076a3a799feaf6af2 (patch) | |
| tree | 3101c47095ef438b6657b7e0dbb57b2f7188666f /include | |
| parent | 3b6cfdb1714a33ae4d2ca9fbc818a42cf7adee69 (diff) | |
| download | linux-2fc1b6f0d0a719e1e2a30bf076a3a799feaf6af2.tar.gz | |
tracing: Add __print_symbolic_u64 to avoid warnings on 32bit machine
Filesystem, like Btrfs, has some "ULL" macros, and when these macros are passed to tracepoints'__print_symbolic(), there will be 64->32 truncate WARNINGS during compiling on 32bit box. Signed-off-by: Liu Bo <liubo2009@cn.fujitsu.com> Link: http://lkml.kernel.org/r/4DACE6E0.7000507@cn.fujitsu.com Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/ftrace_event.h | 12 | ||||
| -rw-r--r-- | include/trace/ftrace.h | 13 |
2 files changed, 25 insertions, 0 deletions
diff --git a/include/linux/ftrace_event.h b/include/linux/ftrace_event.h index b5a550a39a70..59d3ef100eb9 100644 --- a/include/linux/ftrace_event.h +++ b/include/linux/ftrace_event.h @@ -16,6 +16,11 @@ struct trace_print_flags { const char *name; }; +struct trace_print_flags_u64 { + unsigned long long mask; + const char *name; +}; + const char *ftrace_print_flags_seq(struct trace_seq *p, const char *delim, unsigned long flags, const struct trace_print_flags *flag_array); @@ -23,6 +28,13 @@ const char *ftrace_print_flags_seq(struct trace_seq *p, const char *delim, const char *ftrace_print_symbols_seq(struct trace_seq *p, unsigned long val, const struct trace_print_flags *symbol_array); +#if BITS_PER_LONG == 32 +const char *ftrace_print_symbols_seq_u64(struct trace_seq *p, + unsigned long long val, + const struct trace_print_flags_u64 + *symbol_array); +#endif + const char *ftrace_print_hex_seq(struct trace_seq *p, const unsigned char *buf, int len); diff --git a/include/trace/ftrace.h b/include/trace/ftrace.h index 3e68366d485a..533c49f48047 100644 --- a/include/trace/ftrace.h +++ b/include/trace/ftrace.h @@ -205,6 +205,19 @@ ftrace_print_symbols_seq(p, value, symbols); \ }) +#undef __print_symbolic_u64 +#if BITS_PER_LONG == 32 +#define __print_symbolic_u64(value, symbol_array...) \ + ({ \ + static const struct trace_print_flags_u64 symbols[] = \ + { symbol_array, { -1, NULL } }; \ + ftrace_print_symbols_seq_u64(p, value, symbols); \ + }) +#else +#define __print_symbolic_u64(value, symbol_array...) \ + __print_symbolic(value, symbol_array) +#endif + #undef __print_hex #define __print_hex(buf, buf_len) ftrace_print_hex_seq(p, buf, buf_len) |