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authorHannes Frederic Sowa <hannes@stressinduktion.org>2013-10-23 22:05:27 +0400
committerDavid S. Miller <davem@davemloft.net>2013-10-26 03:03:39 +0400
commitf84be2bd96a108b09c8440263fa3adb3fb225fa3 (patch)
treead341d7bcd581cba4d38d39296692256d8a747d5 /include/linux/net.h
parent974daef7f8bb5d7be78fae3a240fcce43cae0135 (diff)
downloadlinux-f84be2bd96a108b09c8440263fa3adb3fb225fa3.tar.xz
net: make net_get_random_once irq safe
I initial build non irq safe version of net_get_random_once because I would liked to have the freedom to defer even the extraction process of get_random_bytes until the nonblocking pool is fully seeded. I don't think this is a good idea anymore and thus this patch makes net_get_random_once irq safe. Now someone using net_get_random_once does not need to care from where it is called. Cc: David S. Miller <davem@davemloft.net> Cc: Eric Dumazet <edumazet@google.com> Signed-off-by: Hannes Frederic Sowa <hannes@stressinduktion.org> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/linux/net.h')
-rw-r--r--include/linux/net.h1
1 files changed, 0 insertions, 1 deletions
diff --git a/include/linux/net.h b/include/linux/net.h
index aca446b46754..b292a0435571 100644
--- a/include/linux/net.h
+++ b/include/linux/net.h
@@ -250,7 +250,6 @@ bool __net_get_random_once(void *buf, int nbytes, bool *done,
#define ___NET_RANDOM_STATIC_KEY_INIT STATIC_KEY_INIT_FALSE
#endif /* HAVE_JUMP_LABEL */
-/* BE CAREFUL: this function is not interrupt safe */
#define net_get_random_once(buf, nbytes) \
({ \
bool ___ret = false; \