RFR: 8293007: riscv: failed to build after JDK-8290025 [v2]

[Aleksey Shipilev]

On Mon, 29 Aug 2022 14:09:28 GMT, Yadong Wang <yadongwang at openjdk.org> wrote:

>> src/hotspot/cpu/riscv/gc/shared/barrierSetAssembler_riscv.cpp line 192:
>> 
>>> 190: 
>>> 191: void BarrierSetAssembler::clear_patching_epoch() {
>>> 192:   _patching_epoch = 0;
>> 
>> Don't we want `Atomic::store(&_patching_epoch, 0)` here?
>
> We can do a relax clear here, because clear_patching_epoch() was only called by arm_all_nmethods(), which happened always in the safepoint.

Allright then.

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PR: https://git.openjdk.org/jdk/pull/10056