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[POWERPC] fix signal race condition
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Authored by alfredo on Nov 16 2020, 5:45 PM.

Details

Summary

r367416 should have called save_fpu() before kern_sigprocmask to avoid race condition

Thanks @jhibbits and @bdragon for pointing it out

Diff Detail

Lint
Lint OK
Unit
No Unit Test Coverage
Build Status
Buildable 34831
Build 31862: arc lint + arc unit