| From | Michael Ellerman <> | Subject | Re: [11/15] tty: hvc: hvc_poll break hv read loop | Date | Mon, 13 Aug 2018 21:23:00 +1000 (AEST) |
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On Mon, 2018-04-30 at 14:55:54 UTC, Nicholas Piggin wrote: > Avoid looping with the spinlock held while there is read data > being returned from the hv driver. Instead note if the entire > size returned by tty_buffer_request_room was read, and request > another read poll. > > This limits the critical section lengths, and provides more > even service to other consoles in case there is a pathological > condition. > > Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Applied to powerpc next, thanks.
https://git.kernel.org/powerpc/c/ec97eaad1383ab2500fcf9a07ade60
cheers
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