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-rw-r--r--include/linux/printk.h42
-rw-r--r--lib/hexdump.c2
2 files changed, 30 insertions, 14 deletions
diff --git a/include/linux/printk.h b/include/linux/printk.h
index 6442156..e96bd41 100644
--- a/include/linux/printk.h
+++ b/include/linux/printk.h
@@ -141,20 +141,6 @@ static inline void log_buf_kexec_setup(void)
extern void dump_stack(void) __cold;
-enum {
- DUMP_PREFIX_NONE,
- DUMP_PREFIX_ADDRESS,
- DUMP_PREFIX_OFFSET
-};
-extern void hex_dump_to_buffer(const void *buf, size_t len,
- int rowsize, int groupsize,
- char *linebuf, size_t linebuflen, bool ascii);
-extern void print_hex_dump(const char *level, const char *prefix_str,
- int prefix_type, int rowsize, int groupsize,
- const void *buf, size_t len, bool ascii);
-extern void print_hex_dump_bytes(const char *prefix_str, int prefix_type,
- const void *buf, size_t len);
-
#ifndef pr_fmt
#define pr_fmt(fmt) fmt
#endif
@@ -286,4 +272,32 @@ extern void print_hex_dump_bytes(const char *prefix_str, int prefix_type,
no_printk(KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__)
#endif
+
+enum {
+ DUMP_PREFIX_NONE,
+ DUMP_PREFIX_ADDRESS,
+ DUMP_PREFIX_OFFSET
+};
+extern void hex_dump_to_buffer(const void *buf, size_t len,
+ int rowsize, int groupsize,
+ char *linebuf, size_t linebuflen, bool ascii);
+#ifdef CONFIG_PRINTK
+extern void print_hex_dump(const char *level, const char *prefix_str,
+ int prefix_type, int rowsize, int groupsize,
+ const void *buf, size_t len, bool ascii);
+extern void print_hex_dump_bytes(const char *prefix_str, int prefix_type,
+ const void *buf, size_t len);
+#else
+static inline void print_hex_dump(const char *level, const char *prefix_str,
+ int prefix_type, int rowsize, int groupsize,
+ const void *buf, size_t len, bool ascii)
+{
+}
+static inline void print_hex_dump_bytes(const char *prefix_str, int prefix_type,
+ const void *buf, size_t len)
+{
+}
+
+#endif
+
#endif
diff --git a/lib/hexdump.c b/lib/hexdump.c
index b66b2bd..f5fe6ba 100644
--- a/lib/hexdump.c
+++ b/lib/hexdump.c
@@ -154,6 +154,7 @@ nil:
}
EXPORT_SYMBOL(hex_dump_to_buffer);
+#ifdef CONFIG_PRINTK
/**
* print_hex_dump - print a text hex dump to syslog for a binary blob of data
* @level: kernel log level (e.g. KERN_DEBUG)
@@ -238,3 +239,4 @@ void print_hex_dump_bytes(const char *prefix_str, int prefix_type,
buf, len, true);
}
EXPORT_SYMBOL(print_hex_dump_bytes);
+#endif

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