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From: "Ni, Ray" <ray.ni@intel.com>
To: "Gao, Zhichao" <zhichao.gao@intel.com>,
	"devel@edk2.groups.io" <devel@edk2.groups.io>
Cc: "Kinney, Michael D" <michael.d.kinney@intel.com>,
	"Gao, Liming" <liming.gao@intel.com>,
	Vitaly Cheptsov <vit9696@protonmail.com>
Subject: Re: [edk2-devel] [PATCH V3 0/2] *MdePkg/UefiDevicePathLib: Separate the lib instances
Date: Fri, 20 Dec 2019 06:19:58 +0000	[thread overview]
Message-ID: <734D49CCEBEEF84792F5B80ED585239D5C3A3FCD@SHSMSX104.ccr.corp.intel.com> (raw)
In-Reply-To: <3CE959C139B4C44DBEA1810E3AA6F9000B8A4289@SHSMSX101.ccr.corp.intel.com>

Removing code duplication is great.

But your patch introduces more code duplication: the mandatory one in UefiDevicePathLib
directory and the other one in UefiDevicePathLibDevicePathProtocol directory.

Do you have a plan to remove the one in UefiDevicePathLibDevicePathProtocol directory?
Have you evaluated the impact to consumers of removing that one?

Thanks,
Ray

> -----Original Message-----
> From: Gao, Zhichao <zhichao.gao@intel.com>
> Sent: Friday, December 20, 2019 2:03 PM
> To: Ni, Ray <ray.ni@intel.com>; devel@edk2.groups.io
> Cc: Kinney, Michael D <michael.d.kinney@intel.com>; Gao, Liming
> <liming.gao@intel.com>; Vitaly Cheptsov <vit9696@protonmail.com>
> Subject: RE: [edk2-devel] [PATCH V3 0/2] *MdePkg/UefiDevicePathLib:
> Separate the lib instances
> 
> Ray,
> 
> I knew there is one in MdePkg. But it has duplicate code with
> UefiDevicePathLib. That is why I add the Mandatory one.
> And it is recommended to use the one in UefiDevicePathLib path.
> 
> Thanks,
> Zhichao
> 
> > -----Original Message-----
> > From: Ni, Ray
> > Sent: Friday, December 20, 2019 1:50 PM
> > To: devel@edk2.groups.io; Gao, Zhichao <zhichao.gao@intel.com>
> > Cc: Kinney, Michael D <michael.d.kinney@intel.com>; Gao, Liming
> > <liming.gao@intel.com>; Vitaly Cheptsov <vit9696@protonmail.com>
> > Subject: RE: [edk2-devel] [PATCH V3 0/2] *MdePkg/UefiDevicePathLib:
> Separate
> > the lib instances
> >
> > Zhichao,
> > \MdePkg\Library\UefiDevicePathLibDevicePathProtocol\ contains the
> version
> > that hard-depends on the protocol.
> > I don't think you need to add another version.
> >
> > Thanks,
> > Ray
> >
> > > -----Original Message-----
> > > From: devel@edk2.groups.io <devel@edk2.groups.io> On Behalf Of Gao,
> > > Zhichao
> > > Sent: Wednesday, December 18, 2019 10:11 AM
> > > To: devel@edk2.groups.io
> > > Cc: Kinney, Michael D <michael.d.kinney@intel.com>; Gao, Liming
> > > <liming.gao@intel.com>; Vitaly Cheptsov <vit9696@protonmail.com>
> > > Subject: [edk2-devel] [PATCH V3 0/2] *MdePkg/UefiDevicePathLib:
> > > Separate the lib instances
> > >
> > > REF: https://bugzilla.tianocore.org/show_bug.cgi?id=2298
> > >
> > > The UefiDevicePathLibOptionalDevicePathProtocolConstructor's
> > > implementation
> > > isn't match with its instance name.
> > > Remove the ASSERT and depex of the
> gEfiDevicePathUtilitiesProtocolGuid
> > > because of "Optional".
> > >
> > > Add a mandatory instance to force using the DevicePathUtilities,
> > > DevicePathToText and DevicePathFromText protocol with the ASSERT
> and
> > > depex.
> > >
> > > V2:
> > > The optional lib instance's construction should return success all the
> > > time.
> > > Change the desciption of the optional lib uni file.
> > > Change the copyright date of the mandatory one's uni file.
> > >
> > > V3:
> > > Remove the Status variable in
> > > UefiDevicePathLibOptionalDevicePathProtocolConstructor.
> > > The Status would cause GCC build fail because the variable is
> > > initialized but not used.
> > > Since it is useless for the constructor, directly remove it.
> > >
> > > Cc: Michael D Kinney <michael.d.kinney@intel.com>
> > > Cc: Liming Gao <liming.gao@intel.com>
> > > Cc: Vitaly Cheptsov <vit9696@protonmail.com>
> > > Signed-off-by: Zhichao Gao <zhichao.gao@intel.com>
> > >
> > > Zhichao Gao (2):
> > >   MdePkg/UefiDevicePathLib: Separate the device path lib
> > >   MdePkg/dsc: Add UefiDevicePathLibMandatoryDevicePathProtocol for
> > > build
> > >
> > >  ...DevicePathLibMandatoryDevicePathProtocol.c | 469
> > > ++++++++++++++++++
> > >  ...vicePathLibMandatoryDevicePathProtocol.inf |  86 ++++
> > > ...vicePathLibMandatoryDevicePathProtocol.uni |  18 +
> > > ...iDevicePathLibOptionalDevicePathProtocol.c |  21 +-
> > >  ...evicePathLibOptionalDevicePathProtocol.inf |   5 +-
> > >  ...evicePathLibOptionalDevicePathProtocol.uni |   6 +-
> > >  MdePkg/MdePkg.dsc                             |   3 +-
> > >  7 files changed, 587 insertions(+), 21 deletions(-)  create mode
> > > 100644
> > >
> MdePkg/Library/UefiDevicePathLib/UefiDevicePathLibMandatoryDevicePat
> > > hProtocol.c
> > >  create mode 100644
> > >
> MdePkg/Library/UefiDevicePathLib/UefiDevicePathLibMandatoryDevicePat
> > > hProtocol.inf
> > >  create mode 100644
> > >
> MdePkg/Library/UefiDevicePathLib/UefiDevicePathLibMandatoryDevicePat
> > > hProtocol.uni
> > >
> > > --
> > > 2.21.0.windows.1
> > >
> > >
> > > 


  reply	other threads:[~2019-12-20  6:20 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-12-18  2:10 [PATCH V3 0/2] *MdePkg/UefiDevicePathLib: Separate the lib instances Gao, Zhichao
2019-12-18  2:10 ` [PATCH V3 1/2] MdePkg/UefiDevicePathLib: Separate the device path lib Gao, Zhichao
2019-12-18  8:27   ` Vitaly Cheptsov
2019-12-18  2:10 ` [PATCH V3 2/2] MdePkg/dsc: Add UefiDevicePathLibMandatoryDevicePathProtocol for build Gao, Zhichao
2019-12-18  8:28   ` Vitaly Cheptsov
2019-12-18  8:26 ` [PATCH V3 0/2] *MdePkg/UefiDevicePathLib: Separate the lib instances Vitaly Cheptsov
2019-12-19  1:51   ` [edk2-devel] " Gao, Zhichao
2019-12-20  5:49 ` Ni, Ray
2019-12-20  6:03   ` Gao, Zhichao
2019-12-20  6:19     ` Ni, Ray [this message]
2019-12-20  6:40       ` Gao, Zhichao
2019-12-20  7:16         ` Ni, Ray
2019-12-23  0:43           ` Gao, Zhichao
2019-12-23  8:01             ` Liming Gao

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