Messages in this thread | | | Date | Fri, 14 Jul 2023 17:22:22 +0200 | From | Peter Zijlstra <> | Subject | Re: [RFC][PATCH 07/10] futex: Implement FUTEX2_NUMA |
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On Fri, Jul 14, 2023 at 03:39:06PM +0200, Peter Zijlstra wrote: > + /* > + * Encode the futex size in the offset. This makes cross-size > + * wake-wait fail -- see futex_match(). > + * > + * NOTE that cross-size wake-wait is fundamentally broken wrt > + * FLAGS_NUMA but could possibly work for !NUMA. > + */ > + key->both.offset |= FUT_OFF_SIZE * (flags & FLAGS_SIZE_MASK);
this wee bit should've gone in patch 9.
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