Re: [boost] Re: [shared_ptr] PPC implementations updated

From: Peter Dimov (pdimov_at_[hidden])
Date: 2005-04-08 09:34:10

Alexander Terekhov wrote:
> Peter Dimov wrote:
>>
>> Alexander Terekhov wrote:
>>> Peter Dimov wrote:
>>>>
>>>> I have fixed a 970-specific problem with the PPC implementations
>>>
>>> I'd like to see official erratum. Quick search yielded nothing. I'd
>>> appreciate some help please.
>>
>> http://www-306.ibm.com/chips/techlib/techlib.nsf/techdocs/3A2D397F9A3202BD87256D4B007164C0
>>
>> http://www-306.ibm.com/chips/techlib/techlib.nsf/techdocs/3A2D397F9A3202BD87256D4B007164C0/$file/970Programming_Note_larx_stcx.d20030618.pdf
>
> Thanks.
>
>>
>> This is what I found. It seems to confirm it.
>
> That (preliminary) notice doesn't really say what's the problem
> with respect to "dangling" reservation. (Context switch of course
> must clear reservation; everybody and his dog knows that.)

I don't know, but all of Apple's code specifically clears the reservation. 
;-)