Please review 7178670: runtime/7158800/BadUtf8.java fails in SymbolTable::rehash_table

[Vladimir Kozlov]

Collen,

With your changes all shared entries will be unlinked if rehashing is enabled. 
Do you want that? Or you just want to skip a shared entry?

Vladimir

Coleen Phillimore wrote:
> 
> After some discussions about the preserving shared state in move_to, it 
> occurred to me that after rehashing, the shared entries were no longer 
> last in the buckets.   The walking in StringTable and SymbolTable 
> assumed this.    I also added more of a comment about preserving the 
> state.  It could be nicer code and safer but it would also introduce 
> some risk or possible performance impact.    These are the latest 
> webrevs which I've tested with rehash_count=2 and rehash_multipier=1 to 
> make it rehash a lot.
> 
> open webrev at http://cr.openjdk.java.net/~coleenp/hashmap_cds2
> open webrev at http://cr.openjdk.java.net/~coleenp/hashmap_7u6_cds2/
> 
> Thanks,
> Coleen
> 
> 
> On 6/21/2012 3:25 PM, Coleen Phillimore wrote:
>> Summary: Cannot delete _buckets and HashtableEntries in shared space 
>> (CDS)
>>
>> Tested with the tests that I added using Class Data Sharing (on and 
>> off).  This is both a patch for 7u6 and main.
>>
>> open webrev at http://cr.openjdk.java.net/~coleenp/hashmap_cds/
>> open webrev at http://cr.openjdk.java.net/~coleenp/hashmap_7u6_cds/
>>
>> Thanks,
>> Coleen
>>
>>