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authorIngo Molnar <mingo@elte.hu>2008-06-23 11:53:03 +0200
committerIngo Molnar <mingo@elte.hu>2008-06-23 11:53:03 +0200
commit009b9fc98ddd83f9139fdabb12c0d7a8535d5421 (patch)
treef7d3e182407d2ebe50a9b8db6361ac910027a1cf /include/linux/kernel.h
parent3711ccb07b7f0a13f4f1aa16a8fdca9c930f21ca (diff)
parent481c5346d0981940ee63037eb53e4e37b0735c10 (diff)
Merge branch 'linus' into x86/threadinfotip-x86-threadinfo-2008-06-23_09.53_Mon
Diffstat (limited to 'include/linux/kernel.h')
-rw-r--r--include/linux/kernel.h12
1 files changed, 11 insertions, 1 deletions
diff --git a/include/linux/kernel.h b/include/linux/kernel.h
index 4d46e299afb5..792bf0aa779b 100644
--- a/include/linux/kernel.h
+++ b/include/linux/kernel.h
@@ -276,7 +276,17 @@ extern void print_hex_dump(const char *level, const char *prefix_str,
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);
-#define hex_asc(x) "0123456789abcdef"[x]
+
+extern const char hex_asc[];
+#define hex_asc_lo(x) hex_asc[((x) & 0x0f)]
+#define hex_asc_hi(x) hex_asc[((x) & 0xf0) >> 4]
+
+static inline char *pack_hex_byte(char *buf, u8 byte)
+{
+ *buf++ = hex_asc_hi(byte);
+ *buf++ = hex_asc_lo(byte);
+ return buf;
+}
#define pr_emerg(fmt, arg...) \
printk(KERN_EMERG fmt, ##arg)