Re: [RFC][PATCH 0/4] Fixes for two recently found timekeeping bugs

2017-05-30 Thread Daniel Mentz
I successfully tested these four patches on a HiKey (ARMv8) board using a 4.9 kernel. I cherry picked various commits from upstream that touched kernel/time/timekeeping.c to ensure that John's patches apply cleanly. The inconsistency-check from kselftest that previously failed because of

Re: [RFC][PATCH 0/4] Fixes for two recently found timekeeping bugs

2017-05-30 Thread Daniel Mentz
I successfully tested these four patches on a HiKey (ARMv8) board using a 4.9 kernel. I cherry picked various commits from upstream that touched kernel/time/timekeeping.c to ensure that John's patches apply cleanly. The inconsistency-check from kselftest that previously failed because of

Re: [RFC][PATCH 0/4] Fixes for two recently found timekeeping bugs

2017-05-28 Thread Ingo Molnar
* John Stultz wrote: > On Sat, May 27, 2017 at 12:38 AM, Ingo Molnar wrote: > > > > * John Stultz wrote: > > > >> As part of the Linaro Linux Kernel Functional Test (LKFT) > >> effort, test failures from kselftest/timer's > >>

Re: [RFC][PATCH 0/4] Fixes for two recently found timekeeping bugs

2017-05-28 Thread Ingo Molnar
* John Stultz wrote: > On Sat, May 27, 2017 at 12:38 AM, Ingo Molnar wrote: > > > > * John Stultz wrote: > > > >> As part of the Linaro Linux Kernel Functional Test (LKFT) > >> effort, test failures from kselftest/timer's > >> inconsistency-check were reported connected to > >>

Re: [RFC][PATCH 0/4] Fixes for two recently found timekeeping bugs

2017-05-27 Thread John Stultz
On Sat, May 27, 2017 at 12:38 AM, Ingo Molnar wrote: > > * John Stultz wrote: > >> As part of the Linaro Linux Kernel Functional Test (LKFT) >> effort, test failures from kselftest/timer's >> inconsistency-check were reported connected to >>

Re: [RFC][PATCH 0/4] Fixes for two recently found timekeeping bugs

2017-05-27 Thread John Stultz
On Sat, May 27, 2017 at 12:38 AM, Ingo Molnar wrote: > > * John Stultz wrote: > >> As part of the Linaro Linux Kernel Functional Test (LKFT) >> effort, test failures from kselftest/timer's >> inconsistency-check were reported connected to >> CLOCK_MONOTONIC_RAW, on the HiKey platform. >> >>

Re: [RFC][PATCH 0/4] Fixes for two recently found timekeeping bugs

2017-05-27 Thread Ingo Molnar
* John Stultz wrote: > As part of the Linaro Linux Kernel Functional Test (LKFT) > effort, test failures from kselftest/timer's > inconsistency-check were reported connected to > CLOCK_MONOTONIC_RAW, on the HiKey platform. > > Digging in I found that an old issue with

Re: [RFC][PATCH 0/4] Fixes for two recently found timekeeping bugs

2017-05-27 Thread Ingo Molnar
* John Stultz wrote: > As part of the Linaro Linux Kernel Functional Test (LKFT) > effort, test failures from kselftest/timer's > inconsistency-check were reported connected to > CLOCK_MONOTONIC_RAW, on the HiKey platform. > > Digging in I found that an old issue with how sub-ns accounting >

[RFC][PATCH 0/4] Fixes for two recently found timekeeping bugs

2017-05-26 Thread John Stultz
As part of the Linaro Linux Kernel Functional Test (LKFT) effort, test failures from kselftest/timer's inconsistency-check were reported connected to CLOCK_MONOTONIC_RAW, on the HiKey platform. Digging in I found that an old issue with how sub-ns accounting is handled with the RAW time which was

[RFC][PATCH 0/4] Fixes for two recently found timekeeping bugs

2017-05-26 Thread John Stultz
As part of the Linaro Linux Kernel Functional Test (LKFT) effort, test failures from kselftest/timer's inconsistency-check were reported connected to CLOCK_MONOTONIC_RAW, on the HiKey platform. Digging in I found that an old issue with how sub-ns accounting is handled with the RAW time which was