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SubjectRe: [PATCH 00/26] tty/serial flow control fixes
On Tue, Sep 02, 2014 at 05:39:09PM -0400, Peter Hurley wrote:
> Hi Greg,
>
> This patch series reworks the internals of tty and serial flow control to
> fix multiple races in both START/STOP flow control and RTS/CTS flow control.
>
> The main changes in this series are:
> Patch 1
> Backs out the UPF_HARD_FLOW kludge for 8250. This revert should be
> for mainline and -next
>
> Patches 3-7
> Fixes to x_char handling (ie., sending START/STOP) both in the serial
> core and to several UART drivers
>
> Patches 10-15
> Rename and move ASYNC_CTS_FLOW and ASYNC_CHECK_CD statuses into
> a private field for the serial core, and add helper functions to test
> those statuses for UART drivers.
>
> This is a necessary step toward making tty port->flags SMP-safe, without
> introducing a new lock.

I stopped applying at patch 13, due to the objections to that patch.
Please redo the rest of the series and resend.

thanks,

greg k-h


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