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random32: remove net_rand_state from the latent entropy gcc plugin 

It turns out that the plugin right now ends up being really unhappy
about the change from 'static' to 'extern' storage that happened in
commit f227e3ec3b ("random32: update the net random state on interrupt
and activity").

This is probably a trivial fix for the latent_entropy plugin, but for
now, just remove net_rand_state from the list of things the plugin
worries about.

Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Cc: Emese Revfy <re.emese@gmail.com>
Cc: Kees Cook <keescook@chromium.org>
Cc: Willy Tarreau <w@1wt.eu>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
zero-sugar-mainline-defconfig
Linus Torvalds 2020-07-29 19:11:00 -07:00
parent d3590ebf6f
commit 83bdc7275e
2 changed files with 2 additions and 2 deletions
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2
include/linux/random.h
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@ -120,7 +120,7 @@ struct rnd_state {
__u32 s1, s2, s3, s4;
};
DECLARE_PER_CPU(struct rnd_state, net_rand_state) __latent_entropy;
DECLARE_PER_CPU(struct rnd_state, net_rand_state);
u32 prandom_u32_state(struct rnd_state *state);
void prandom_bytes_state(struct rnd_state *state, void *buf, size_t nbytes);

2
lib/random32.c
View File

@ -48,7 +48,7 @@ static inline void prandom_state_selftest(void)
}
#endif
DEFINE_PER_CPU(struct rnd_state, net_rand_state) __latent_entropy;
DEFINE_PER_CPU(struct rnd_state, net_rand_state);
/**
* prandom_u32_state - seeded pseudo-random number generator.