Commit 354c31a7 authored by Matt Mackall's avatar Matt Mackall Committed by Linus Torvalds

[PATCH] random: run-time configurable debugging

Add run-time switchable entropy debugging.  Entire debug infrastructure
remains compiled out by default.
Signed-off-by: default avatarMatt Mackall <mpm@selenic.com>
Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent 9f516363
......@@ -473,12 +473,15 @@ static inline __u32 int_ln_12bits(__u32 word)
#endif
#if 0
#define DEBUG_ENT(fmt, arg...) printk(KERN_DEBUG "random %04d %04d %04d: " \
static int debug = 0;
module_param(debug, bool, 0644);
#define DEBUG_ENT(fmt, arg...) do { if (debug) \
printk(KERN_DEBUG "random %04d %04d %04d: " \
fmt,\
random_state->entropy_count,\
sec_random_state->entropy_count,\
urandom_state->entropy_count,\
## arg)
## arg); } while (0)
#else
#define DEBUG_ENT(fmt, arg...) do {} while (0)
#endif
......
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