Re: [PATCH] remote target interrupt before ack

["Michael Walle" <michael at walle dot cc>]

Am Di, 5.04.2011, 18:10, schrieb Pedro Alves:
> On Monday 04 April 2011 21:38:32, Michael Walle wrote:
>> Am Montag 04 April 2011, 22:21:21 schrieb Pedro Alves:
>> > On Monday 04 April 2011 21:00:15, Michael Walle wrote:
>> > > the following patch puts the sending of the interrupt/break sequence
>> > > before the proforma ACK. This guarantees the ACK won't be delivered
>> to
>> > > an application on the remote side.
>>
>> >
>> > Can you explain what the latter sentence means a bit better?
>> >
>> Oh, i forgot to mention that this bug affects serial lines which are
>> shared
>> with the GDB stub. Assume the remote needs a BREAK to start its gdb
>> stub. If
>> you send the '+' before the BREAK it will be delivered to the actual
>> application running on the device (and of course listening on the serial
>> port). [If there happens to be some echo service things will even go
>> worse,
>> because the echoed '+' will be interpreted by GDB as an ACK to the first
>> sent
>> packet.]
>
> Okay, makes sense.  I figured it was something like that, but doesn't hurt
> to be explicit so we don't have to guess, and for the benefit of
> the archives.
>
> Patch is okay, thanks.

Any news on merging this patch?

-- 
Michael