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    SubjectRe: [PATCH v7 bpf-next 04/11] tcp: Add reuseport_migrate_sock() to select a new listener.
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    On 5/21/21 8:20 PM, Kuniyuki Iwashima wrote:
    > reuseport_migrate_sock() does the same check done in
    > reuseport_listen_stop_sock(). If the reuseport group is capable of
    > migration, reuseport_migrate_sock() selects a new listener by the child
    > socket hash and increments the listener's sk_refcnt beforehand. Thus, if we
    > fail in the migration, we have to decrement it later.
    >
    > We will support migration by eBPF in the later commits.
    >
    > Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.co.jp>
    > Signed-off-by: Martin KaFai Lau <kafai@fb.com>
    > ---
    > include/net/sock_reuseport.h | 3 ++
    > net/core/sock_reuseport.c | 78 +++++++++++++++++++++++++++++-------
    > 2 files changed, 67 insertions(+), 14 deletions(-)

    Reviewed-by: Eric Dumazet <edumazet@google.com>

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