Re: [PATCH 1/3] scsi: 3ware: fix 32-bit time calculations

Martin K. Petersen
2017-11-21T03:06:16Z

Arnd,

> twl_aen_queue_event/twa_aen_queue_event, we use do_gettimeofday()
> to read the lower 32 bits of the current time in seconds, to pass
> them to the TW_IOCTL_GET_NEXT_EVENT ioctl or the 3ware_aen_read
> sysfs file.
>
> This will overflow on all architectures in year 2106, there is
> not much we can do about that without breaking the ABI. User
> space has 90 years to learn to deal with it, so it's probably ok.
>
> I'm changing it to use ktime_get_real_seconds() with a comment
> to document what happens when.

Applied to 4.16/scsi-queue.

--
Martin K. Petersen Oracle Linux Engineering