There are no disadvantages. Someone though it would be fun to remove
useful assertions because they don't really understand them.
Best regards,
Alex Ionescu


On Sat, Sep 24, 2016 at 9:23 AM, Michael Fritscher
<michael@fritscher.net> wrote:
> Hi,
>
> hmm, what are disadvantages of these checks? If MS uses them as well these
> shouldn't break anything.
>
> Perfomancewise there shouldn't be a difference, and in release builds they
> are disabled anyways, aren't they?
>
> I only want to get a better unterstanding ;-)
>
> Best regards,
> Michael
>

>> Thanks for removing stuff that exists in the NT kernel as sanity
>> checks -- the entire MS dev team must be wrong, thanks for correcting
>> them all :)
>>
>> Make sure not to ask "anyone can explain these checks? they seem
>> useless to me" when removing stuff like this.
>> Best regards,
>> Alex Ionescu
>>
>>
>> On Sat, Sep 24, 2016 at 2:30 AM,  <dchapyshev@svn.reactos.org> wrote:
>>> Author: dchapyshev
>>> Date: Sat Sep 24 09:30:06 2016
>>> New Revision: 72787
>>>
>>> URL: http://svn.reactos.org/svn/reactos?rev=72787&view=rev
>>> Log:
>>> [NTOSKRNL] Remove unneeded sanity checks
>>>
>>> Modified:
>>>     trunk/reactos/ntoskrnl/include/internal/ke_x.h
>>>
>>> Modified: trunk/reactos/ntoskrnl/include/internal/ke_x.h
>>> URL:
>>> http://svn.reactos.org/svn/reactos/trunk/reactos/ntoskrnl/include/internal/ke_x.h?rev=72787&r1=72786&r2=72787&view=diff
>>> ==============================================================================
>>> --- trunk/reactos/ntoskrnl/include/internal/ke_x.h      [iso-8859-1]
>>> (original)
>>> +++ trunk/reactos/ntoskrnl/include/internal/ke_x.h      [iso-8859-1] Sat
>>> Sep 24 09:30:06 2016
>>> @@ -25,7 +25,6 @@
>>>                                                                              \
>>>      /* Sanity checks */
>>>     \
>>>      ASSERT(KeGetCurrentIrql() <= APC_LEVEL);
>>>     \
>>> -    ASSERT(_Thread == KeGetCurrentThread());
>>>     \
>>>      ASSERT((_Thread->SpecialApcDisable <= 0) &&
>>>     \
>>>             (_Thread->SpecialApcDisable != -32768));
>>>     \
>>>                                                                              \
>>> @@ -42,7 +41,6 @@
>>>                                                                              \
>>>      /* Sanity checks */
>>>     \
>>>      ASSERT(KeGetCurrentIrql() <= APC_LEVEL);
>>>     \
>>> -    ASSERT(_Thread == KeGetCurrentThread());
>>>     \
>>>      ASSERT(_Thread->SpecialApcDisable < 0);
>>>     \
>>>                                                                              \
>>>      /* Leave region and check if APCs are OK now */
>>>     \
>>> @@ -66,7 +64,6 @@
>>>      PKTHREAD _Thread = KeGetCurrentThread();
>>>     \
>>>                                                                              \
>>>      /* Sanity checks */
>>>     \
>>> -    ASSERT(_Thread == KeGetCurrentThread());
>>>     \
>>>      ASSERT((_Thread->KernelApcDisable <= 0) &&
>>>     \
>>>             (_Thread->KernelApcDisable != -32768));
>>>     \
>>>                                                                              \
>>> @@ -82,7 +79,6 @@
>>>      PKTHREAD _Thread = KeGetCurrentThread();
>>>     \
>>>                                                                              \
>>>      /* Sanity checks */
>>>     \
>>> -    ASSERT(_Thread == KeGetCurrentThread());
>>>     \
>>>      ASSERT(_Thread->KernelApcDisable < 0);
>>>     \
>>>                                                                              \
>>>      /* Enable Kernel APCs */
>>>     \
>>>
>>>
>>
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