Re: [PATCH 4/6] Input: Remove vmmouse port reservation

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On Tue, Dec 1, 2015 at 3:04 PM, Sinclair Yeh <syeh@xxxxxxxxxx> wrote:
> Hi,
>
> On Tue, Dec 01, 2015 at 02:30:05PM -0800, Dmitry Torokhov wrote:
>> Hi Sinclair,
>>
>> On Tue, Dec 1, 2015 at 2:18 PM, Sinclair Yeh <syeh@xxxxxxxxxx> wrote:
>> > Port reservation is not required.
>>
>> You need to expand on why we do not need to reserve port.
>
> Thomas gave me this input earlier, too, so I added the one liner.
>
> There was a long discussion on accessing the port a few years ago:
> https://lkml.org/lkml/2008/9/24/512
>
>>
>> > Furthermore, this port is shared
>> > by other VMware services for host-side communication.
>>
>> What services would that be? Do they reserve the port?
>
> This port is used by quite a few guest-to-host communication capabilities,
> e.g. getting configuration, logging, etc.  Currently multiple kernel
> modules, and one or more priviledged guest user mode app, e.g.
> open-vmware-tools, use this port without reservation.

Ah, I forgot that vmmouse does not have a dedicated port...

>
> After some internal discussions, it was determined that no reservation
> is required when accessing the port in this manner.
>
> Do you want me to put the above in the commit message?

Not about the bit about "internal discussions", but the rest - yes please.

-- 
Dmitry
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