Messages in this thread | | | Date | Tue, 6 Sep 2022 18:31:59 -0400 | Subject | Re: [PATCH v5 03/18] rcu/tree: Use READ_ONCE() for lockless read of rnp->qsmask | From | Joel Fernandes <> |
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On 9/6/2022 6:26 PM, Boqun Feng wrote: > On Thu, Sep 01, 2022 at 10:17:05PM +0000, Joel Fernandes (Google) wrote: >> The rnp->qsmask is locklessly accessed from rcutree_dying_cpu(). This >> may help avoid load/store tearing due to concurrent access, KCSAN > > Nit: you can avoid only load tearing with READ_ONCE(). >
I modified it as you suggested for the next revision, thanks.
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