Re: [PATCH v4 0/4] x86/bus_lock: Enable bus lock detection

[Fenghua Yu]

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