Messages in this thread | | | Date | Wed, 21 Apr 2021 09:56:15 -0700 (PDT) | Subject | Re: [PATCH 23/26] serial: sunsu: drop low-latency workaround | From | David Miller <> |
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From: Johan Hovold <johan@kernel.org> Date: Wed, 21 Apr 2021 11:55:06 +0200
> The sunsu driver has been carrying a workaround for the infamous > low_latency behaviour of tty_flip_buffer_push() by dropping and > reacquiring the port lock in the interrupt handler since 2004. > > Since commit a9c3f68f3cd8 ("tty: Fix low_latency BUG"), > tty_flip_buffer_push() always schedules a work item to push data to the > line discipline and there's no need to keep any low_latency hacks around. > > Cc: "David S. Miller" <davem@davemloft.net> > Signed-off-by: Johan Hovold <johan@kernel.org>
Acked-by: David S. Miller <davem@davemloft.net>
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