review (XS) for 6849574: VM crash using NonBlockingHashMap (high_scale_lib)

[Tom Rodriguez]

On Jun 10, 2009, at 11:48 AM, Vladimir Kozlov wrote:

> Tom,
>
> In c1_LIRGenerator.cpp you changed code to do imprecise card mark on  
> object.
> What happens if the object is large and the field is outside of  
> imprecise card mark?

PRECISE_CARDMARK is never defined so I didn't change anything.  I was  
just removing meaningless code.

> Also can you explain the original comment there (could be related to  
> the first question)?
> !     // Precise cardmarks don't work

I don't know what that comment meant.  Precise cardmarks do work since  
they are used in the other places where they are required.

tom

>
> thanks,
> Vladimir
>
> Tom Rodriguez wrote:
>> http://cr.openjdk.java.net/~never/6849574