RFR: 8185723: Zero: segfaults on Power PC 32-bit

Andrew Haley aph at redhat.com
Thu Aug 3 11:07:17 UTC 2017

On 03/08/17 11:43, John Paul Adrian Glaubitz wrote:
> On 08/03/2017 12:06 PM, Andrew Haley wrote:
>> But there may be a better way of handling atomic doublewords on the
>> 68k.  Instead, define an array of lock words and yield on one of them
>> when reading or writing a doubleword.  That way you (probably) only
>> block when two threads really are contending, and the instant you
>> detect contention you yield.
> Hmm, I have honestly no idea how to implement that though.

I'll have a look.

Andrew Haley
Java Platform Lead Engineer
Red Hat UK Ltd. <https://www.redhat.com>
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