Re: [PATCH v3 00/24] lockless n_tty receive path

From: Greg Kroah-Hartman
Date: Mon Apr 15 2013 - 16:14:28 EST


On Mon, Apr 15, 2013 at 11:19:04AM -0400, Peter Hurley wrote:
> Greg,
>
> Unfortunately, this series is dependent on the 'ldsem patchset'.
> The reason is that this series abandons tty->receive_room as
> a flow control mechanism (because that requires locking),
> and the TIOCSETD ioctl _without ldsem_ uses tty->receive_room
> to shutoff i/o.

Can you also resend the ldsem patch series, as I no longer have it
around anymore, and I don't think it was part of this big resend, right?

thanks,

greg k-h
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