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SubjectRe: [PATCH 00/26] tty/serial flow control fixes
On 09/08/2014 07:24 PM, Greg Kroah-Hartman wrote:
> 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.

I'm going to wait for the fallout from patch 21 to shake out first.

Regards,
Peter Hurley


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