[lkml]   [2017]   [Nov]   [20]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [PATCH 3/3] scsi: 3w-9xxx: rework lock timeouts


> The TW_IOCTL_GET_LOCK ioctl uses do_gettimeofday() to check whether a
> lock has expired. This can misbehave due to a concurrent
> settimeofday() call, as it is based on 'real' time, and it will
> overflow in y2038 on 32-bit architectures, producing unexpected
> results when used across the overflow time.
> This changes it to using monotonic time, using ktime_get() to simplify
> the code.

Applied to 4.16/scsi-queue, thanks!

Martin K. Petersen Oracle Linux Engineering

 \ /
  Last update: 2017-11-21 04:08    [W:0.064 / U:3.588 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site