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Eric Dumazet ebb3b78db7 tcp: annotate sk->sk_rcvbuf lockless reads
For the sake of tcp_poll(), there are few places where we fetch
sk->sk_rcvbuf while this field can change from IRQ or other cpu.

We need to add READ_ONCE() annotations, and also make sure write
sides use corresponding WRITE_ONCE() to avoid store-tearing.

Note that other transports probably need similar fixes.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-10-13 10:13:08 -07:00
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tools Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf 2019-10-12 11:21:56 -07:00
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Linux kernel
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There are several guides for kernel developers and users. These guides can
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