Re: [RFC PATCH 06/13] m68k: Drop ARCH_USES_GETTIMEOFFSET

[Finn Thain]

On Tue, 13 Nov 2018, Michael Schmitz wrote:

> 
> Running a recent kernel under ARAnyM shows 40 ns resolution so the Atari 
> hardware emulation is a little more complete.
> 

You mean, 40 us resolution, right?

> Using that for initial tests, I can confirm that timer resolution is 
> reduced to 10ms after patch 6, and gets restored to 40ns after applying 
> the full series

Thanks for testing!

> (once clocksource_init runs, that is - the first part of the boot is at 
> 10ms resolution only, a regression compared to with use of 
> arch_gettimeoffset).
> 

Sounds like a theoretical regression (?)

Is there any need for more precise timers (I mean, better than 40 us) 
before clocksource_init runs?

> Unfortunately, I can't log in at the console with all patches applied. I 
> immediately get the 'login timeout exceeded' message. Weird...
> 

I didn't see that in my tests... Was this aranym or real hardware or both?

Can you also test tree fbf8405cd982 please?

-- 

> Cheers,
> 
> 	Michael
> 
>