Re: edk2 interface deprecation policy

["Gao, Liming" <liming.gao@intel.com>]

Felix:
  I agree to define the tag to specify the deprecated definition, library and drivers. If so, user can easily know which one is not used any more. But, I think we can still keep them in edk2 project, because they have no negative impact. 

Thanks
Liming
>-----Original Message-----
>From: edk2-devel [mailto:edk2-devel-bounces@lists.01.org] On Behalf Of
>Felix Poludov
>Sent: Friday, December 01, 2017 6:12 AM
>To: afish@apple.com
>Cc: edk2-devel@lists.01.org
>Subject: Re: [edk2] edk2 interface deprecation policy
>
>I agree. It would be beneficial to have a mailing list discussion on how to deal
>with the deprecated item.
>In some cases it would make sense to tag an interface as deprecated, but
>keep in the code base for a while (6 month?) before actually deleting it.
>
>-----Original Message-----
>From: afish@apple.com [mailto:afish@apple.com]
>Sent: Thursday, November 30, 2017 11:57 AM
>To: Felix Poludov
>Cc: edk2-devel@lists.01.org
>Subject: Re: [edk2] edk2 interface deprecation policy
>
>Felix,
>
>I don't think we have one....
>
>Adding new interfaces does not impact the downstream projects, but
>depreciating interface can break stuff. Seems like it might at least be a good
>idea to have a depreciation discussion on the mailing  list. I'm open to other
>suggestions....
>
>Thanks,
>
>Andrew Fish
>
>> On Nov 30, 2017, at 6:00 AM, Felix Poludov <Felixp@ami.com> wrote:
>>
>> Does edk2 have a policy regarding deprecation of interface definition
>headers?
>> I can see that definition of the UgaDraw protocol that was deprecated years
>ago (I believe in UEFI 2.0) is still part of the code base; yet, definition of the
>SMM Communication ACPI Table that was deprecated this year in UEFI 2.6B
>has already been removed.
>>
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