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Groups > linux.kernel > #1491997
| From | Shaohua Li <shli@fb.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH trival -resend 2/2] lib: clean up put_cpu_var usage |
| Date | 2016-09-27 17:50 +0200 |
| Message-ID | <sm2NP-2OB-19@gated-at.bofh.it> (permalink) |
| References | <sm2NP-2OB-21@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
put_cpu_var takes the percpu data, not the data returned from get_cpu_var. This doesn't change the behavior. Cc: Tejun Heo <tj@kernel.org> Signed-off-by: Shaohua Li <shli@fb.com> --- lib/random32.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/lib/random32.c b/lib/random32.c index a309235..fa594b1 100644 --- a/lib/random32.c +++ b/lib/random32.c @@ -81,7 +81,7 @@ u32 prandom_u32(void) u32 res; res = prandom_u32_state(state); - put_cpu_var(state); + put_cpu_var(net_rand_state); return res; } @@ -128,7 +128,7 @@ void prandom_bytes(void *buf, size_t bytes) struct rnd_state *state = &get_cpu_var(net_rand_state); prandom_bytes_state(state, buf, bytes); - put_cpu_var(state); + put_cpu_var(net_rand_state); } EXPORT_SYMBOL(prandom_bytes); -- 2.9.3
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[PATCH trival -resend 1/2] bpf: clean up put_cpu_var usage Shaohua Li <shli@fb.com> - 2016-09-27 17:50 +0200
[PATCH trival -resend 2/2] lib: clean up put_cpu_var usage Shaohua Li <shli@fb.com> - 2016-09-27 17:50 +0200
Re: [PATCH trival -resend 2/2] lib: clean up put_cpu_var usage Tejun Heo <tj@kernel.org> - 2016-09-28 01:20 +0200
Re: [PATCH trival -resend 2/2] lib: clean up put_cpu_var usage David Miller <davem@davemloft.net> - 2016-09-28 04:20 +0200
Re: [PATCH trival -resend 1/2] bpf: clean up put_cpu_var usage Alexei Starovoitov <alexei.starovoitov@gmail.com> - 2016-09-28 01:10 +0200
Re: [PATCH trival -resend 1/2] bpf: clean up put_cpu_var usage Tejun Heo <tj@kernel.org> - 2016-09-28 01:20 +0200
Re: [PATCH trival -resend 1/2] bpf: clean up put_cpu_var usage David Miller <davem@davemloft.net> - 2016-09-28 04:20 +0200
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