On Fri, Apr 19, 2024 at 04:31:39PM +0300, Kirill A. Shutemov wrote:
> Yes, it is one-off. I guess we could use READ_ONCE()/WRITE_ONCE() to
> access the variable with the same result. I am not sure why it would be
> better.
Nah, and it is not even the first one-off:
cpu_hotplug_disable/_enable() uses the same locking to update
cpu_hotplug_disabled.
I guess we need to update the comment over cpu_maps_update_begin().
I guess this is fine wrt big picture of the CPU hotplug universe. Lemme
point tglx to it just in case.
Thx.
--
Regards/Gruss,
Boris.
https://people.kernel.org/tglx/notes-about-netiquette
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