Re: [PATCH 01/33] PCI: Prepare to protect against concurrent isolated cpuset change

Bjorn Helgaas
2025-10-14T20:53:15Z

On Mon, Oct 13, 2025 at 10:31:14PM +0200, Frederic Weisbecker wrote:
> HK_TYPE_DOMAIN will soon integrate cpuset isolated partitions and
> therefore be made modifyable at runtime. Synchronize against the cpumask
> update using RCU.
>
> The RCU locked section includes both the housekeeping CPU target
> election for the PCI probe work and the work enqueue.
>
> This way the housekeeping update side will simply need to flush the
> pending related works after updating the housekeeping mask in order to
> make sure that no PCI work ever executes on an isolated CPU. This part
> will be handled in a subsequent patch.

s/modifyable/modifiable/ (also in several other commit logs)