Messages in this thread | | | Date | Tue, 21 Jul 2020 16:34:32 +0200 | From | peterz@infradea ... | Subject | Re: [PATCH 3/8] kcsan: Skew delay to be longer for certain access types |
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On Tue, Jul 21, 2020 at 04:26:54PM +0200, Marco Elver wrote:
> I'll rewrite the commit message: > > For compound instrumentation and assert accesses, skew the > watchpoint delay to be longer if randomized. This is useful to > improve race detection for such accesses. > > For compound accesses we should increase the delay as we've > aggregated both read and write instrumentation. By giving up 1 > call into the runtime, we're less likely to set up a watchpoint > and thus less likely to detect a race. We can balance this by > increasing the watchpoint delay.
Aah, makes sense now. Thanks!
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