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i#3956 arm locks: Use release-acquire atomics for ARM #4262

Merged
merged 1 commit into from
Apr 20, 2020
Merged

i#3956 arm locks: Use release-acquire atomics for ARM #4262

merged 1 commit into from
Apr 20, 2020

Commits on Apr 19, 2020

  1. i#3956 arm locks: Use release-acquire atomics for ARM 

    Adds a "dmb ish" barrier prior to the "ldrex..strex" loops in the
atomics used to implement mutexes and other operations on 32-bit ARM
where we need release-acquire semantics.

Issue: #3956
    @derekbruening
    derekbruening committed Apr 19, 2020
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