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net: rps: reset backlog state when IPI fails.

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Changes that reset remote cpu backlog state are removed with the
following commit. Adding them back.
I6e688bf0d09 ("net: rps: send out pending IPI's on CPU hotplug")

Change-Id: I436d1a1f185f0ddc375349e135bbb5d6eb8c5f26
Signed-off-by: Ashwanth Goli <ashwanth@codeaurora.org>
This commit is contained in:
Ashwanth Goli 2017-07-07 13:15:13 +05:30
parent 0c44f3c838
commit 68af09edd5
1 changed files with 6 additions and 1 deletions
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7
net/core/dev.c
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@ -4560,8 +4560,13 @@ static void net_rps_send_ipi(struct softnet_data *remsd)
while (remsd) {
struct softnet_data *next = remsd->rps_ipi_next;
if (cpu_online(remsd->cpu))
if (cpu_online(remsd->cpu)) {
smp_call_function_single_async(remsd->cpu, &remsd->csd);
} else {
rps_lock(remsd);
remsd->backlog.state = 0;
rps_unlock(remsd);
}
remsd = next;
}
#endif