On Wed, May 9, 2018 at 5:17 AM, Jia-Ju Bai <baijiaju1990@xxxxxxxxx> wrote: > > > On 2018/5/9 4:17, Rafael J. Wysocki wrote: >> >> 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? > > > I only read the code and find this possible data race. > It is not found in real driver execution. > I am not sure of it, so I use "may" and "possible" here. It looks like you are not actually sure what you are doing then. -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html