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net, lib/once: remove {net_}get_random_once_wait macro

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DO_ONCE(func, ...) will call func with spinlock which acquired by
spin_lock_irqsave in __do_once_start.  But the get_random_once_wait will
sleep in get_random_bytes_wait -> wait_for_random_bytes.

Fortunately, there is no place to use {net_}get_random_once_wait, so we
could remove them simply.

Link: https://lkml.kernel.org/r/20220619074641.40916-1-wuchi.zero@gmail.com
Signed-off-by: wuchi <wuchi.zero@gmail.com>
Acked-by: Jakub Kicinski <kuba@kernel.org>
Cc: David S. Miller <davem@davemloft.net>
Cc: Eric Dumazet <edumazet@google.com>
Cc: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
wuchi
2022-06-19 15:46:41 +08:00
committed by akpm
parent 5a66fce95b
commit 62df90b53e
2 changed files with 0 additions and 4 deletions
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2
include/linux/net.h
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@@ -303,8 +303,6 @@ do { \
#define net_get_random_once(buf, nbytes) \
get_random_once((buf), (nbytes))
#define net_get_random_once_wait(buf, nbytes) \
get_random_once_wait((buf), (nbytes))
/*
* E.g. XFS meta- & log-data is in slab pages, or bcache meta