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

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bdragon
jhibbits

Commits

rS367760: [POWERPC] fix signal race condition

Summary

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

Thanks @jhibbits and @bdragon for pointing it out

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Buildable 34831
Build 31862: arc lint + arc unit

Event Timeline

alfredo created this revision.Nov 16 2020, 5:45 PM

Herald added a subscriber: luporl. · View Herald TranscriptNov 16 2020, 5:45 PM

Harbormaster completed remote builds in B34831: Diff 79614.Nov 16 2020, 5:45 PM

alfredo requested review of this revision.Nov 16 2020, 5:45 PM

jhibbits accepted this revision.Nov 16 2020, 11:09 PM

This revision is now accepted and ready to land.Nov 16 2020, 11:09 PM

Closed by commit rS367760: [POWERPC] fix signal race condition (authored by alfredo). · Explain WhyNov 17 2020, 12:33 PM

This revision was automatically updated to reflect the committed changes.

alfredo added a commit: rS367760: [POWERPC] fix signal race condition.

Herald added a subscriber: imp. · View Herald TranscriptNov 17 2020, 12:33 PM

Revision Contents
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sys/

powerpc/

exec_machdep.c

7 lines

Diff 79614

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sys/powerpc/powerpc/exec_machdep.c

[POWERPC] fix signal race conditionClosedPublicActions