Re: [PATCH] acpi: scan: Fix a possible data race in acpi_scan_hotplug_enabled

[Rafael J. Wysocki]

On Tue, May 8, 2018 at 5:08 AM, Jia-Ju Bai <baijiaju1990@xxxxxxxxx> wrote:
> The write operation to "hotplug->enabled" is protected by
> the lock on line 1760, but the read operation to
> this data on line 1755 is not protected by the lock.
> Thus, there may exist a data race for "hotplug->enabled".

Either it does exist, or it doesn't.

If it exists, it needs to be fixed.  If it doesn't exist, nothing
needs to be done.

Which is the case?