On Thu, May 21, 2020 at 05:07:23PM +0300, Serge Semin wrote:
> Commit 07d69579e7fe ("MIPS: Don't register r4k sched clock when CPUFREQ
> enabled") disabled the r4k-clock usage for scheduler ticks counting due
> to the scheduler being non-tolerant for unstable clocks sources. For the
> same reason the clock should be used in the system clocksource framework
> with care. As soon as CPU frequency changes the clocksource framework
> should be notified about this by marking the R4K timer being unstable
> (which it really is, since the ticks rate has been changed synchronously
> with the CPU frequency).
>
> Signed-off-by: Serge Semin <[email protected]>
> Cc: Alexey Malahov <[email protected]>
> Cc: Thomas Bogendoerfer <[email protected]>
> Cc: Paul Burton <[email protected]>
> Cc: Ralf Baechle <[email protected]>
> Cc: Greg Kroah-Hartman <[email protected]>
> Cc: Arnd Bergmann <[email protected]>
> Cc: Rob Herring <[email protected]>
> Cc: [email protected]
> ---
> arch/mips/Kconfig | 1 +
> arch/mips/kernel/csrc-r4k.c | 40 +++++++++++++++++++++++++++++++++++++
> 2 files changed, 41 insertions(+)
applied to mips-next.
Thomas.
--
Crap can work. Given enough thrust pigs will fly, but it's not necessarily a
good idea. [ RFC1925, 2.3 ]
