Messages in this thread | | | Date | Mon, 4 Jan 2021 19:42:25 +0000 | From | Fenghua Yu <> | Subject | Re: [PATCH v4 0/4] x86/bus_lock: Enable bus lock detection |
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Hi, Dear X86 Maintainers,
On Tue, Nov 24, 2020 at 08:52:41PM +0000, Fenghua Yu wrote: > A bus lock [1] is acquired through either split locked access to > writeback (WB) memory or any locked access to non-WB memory. This is > typically >1000 cycles slower than an atomic operation within > a cache line. It also disrupts performance on other cores.
This is a friendly reminder. Any comment on this series?
Thanks.
-Fenghua
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