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From: Ard Biesheuvel <ard.biesheuvel@linaro.org>
To: "Wu, Hao A" <hao.a.wu@intel.com>
Cc: "leif.lindholm@linaro.org" <leif.lindholm@linaro.org>,
	 "edk2-devel@lists.01.org" <edk2-devel@lists.01.org>,
	 "vishalo@qti.qualcomm.com" <vishalo@qti.qualcomm.com>,
	"Gao, Liming" <liming.gao@intel.com>
Subject: Re: [PATCH v2 2/3] MdePkg/BaseMemoryLib*: add missing ASSERT()s
Date: Tue, 20 Sep 2016 13:16:07 +0100	[thread overview]
Message-ID: <CAKv+Gu9=MgiXB9MSZWZ0Xrjjpqi4Y5HTFigQbbLzYU+_JQQUZg@mail.gmail.com> (raw)
In-Reply-To: <B80AF82E9BFB8E4FBD8C89DA810C6A092F2B1E39@SHSMSX104.ccr.corp.intel.com>

On 20 September 2016 at 13:02, Wu, Hao A <hao.a.wu@intel.com> wrote:
>> -----Original Message-----
>> From: edk2-devel [mailto:edk2-devel-bounces@lists.01.org] On Behalf Of Ard
>> Biesheuvel
>> Sent: Tuesday, September 20, 2016 4:38 PM
>> To: Wu, Hao A
>> Cc: leif.lindholm@linaro.org; edk2-devel@lists.01.org;
>> vishalo@qti.qualcomm.com; Gao, Liming
>> Subject: Re: [edk2] [PATCH v2 2/3] MdePkg/BaseMemoryLib*: add missing
>> ASSERT()s
>>
>> On 20 September 2016 at 03:00, Wu, Hao A <hao.a.wu@intel.com> wrote:
>> > Hi Ard,
>> >
>> > The NULL checks for the input Guids in APIs CopyGuid(), CompareGuid() and
>> > IsZeroGuid() are implicitly done within calls to BaseLib APIs
>> > ReadUnaligned64() and WriteUnaligned64().
>> >
>> > So I think the functions behavior matches with their comments. What do you
>> > think?
>> >
>>
>> I disagree. ReadUnaligned64 and WriteUnaligned64 could theoretically
>> be implemented by a version of BaseLib that does not contain such
>> ASSERT()s
>
> The comments for APIs ReadUnaligned64 and WriteUnaligned64 in BaseLib
> mention the ASSERT() for inputting a NULL buffer.
>
> I think instances of BaseLib should follow the comments.
>

I agree with this. But that does not justify omitting them here.


  reply	other threads:[~2016-09-20 12:16 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-09-19  8:13 [PATCH v2 0/3] MdePkg/BaseMemoryLibOptDxe: generic and ARM/AARCH64 fixes Ard Biesheuvel
2016-09-19  8:13 ` [PATCH v2 1/3] MdePkg/BaseMemoryLibOptDxe ARM: fix arithmetic bugs in CompareMem() Ard Biesheuvel
2016-09-19  8:13 ` [PATCH v2 2/3] MdePkg/BaseMemoryLib*: add missing ASSERT()s Ard Biesheuvel
2016-09-20  2:00   ` Wu, Hao A
2016-09-20  8:38     ` Ard Biesheuvel
2016-09-20 12:02       ` Wu, Hao A
2016-09-20 12:16         ` Ard Biesheuvel [this message]
2016-09-20 12:40           ` Ard Biesheuvel
2016-09-21  1:27             ` Gao, Liming
2016-09-19  8:13 ` [PATCH v2 3/3] MdePkg/BaseMemoryLibOptDxe ARM|AARCH64: implement accelerated GUID functions Ard Biesheuvel

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