Re: ARM*-EFI timers

[Vladimir 'φ-coder/phcoder' Serbinenko]

On 07.01.2016 19:59, Andrei Borzenkov wrote:
> 07.01.2016 21:08, Vladimir 'φ-coder/phcoder' Serbinenko пишет:
>> Hello, all. In my automated tests I found out that on ARM64-EFI sleep 10
>> actually sleeps for 100s. The culprit is that EFI doesn't call our timer
>> every 1ms but every 10ms. I propose time1.diff to correct: request EFI
>> to call us every 10ms and increment timer variable by 10.
> 
> openSUSE carries similar patch for quite some time. Patch is authored by
> RH. So it can be considered tested in real life.
> 
> https://build.opensuse.org/package/view_file/Base:System/grub2/grub2-arm64-Reduce-timer-event-frequency-by-10.patch?expand=1
> 
Ok, I took RH patch. Now question is about the second patch
>> For arm64 I propose to use CPU timer instead time2.diff. Can any of ARM
>> guys comment on this?
>>
>>
>>
>> _______________________________________________
>> Grub-devel mailing list
>> address@hidden
>> https://lists.gnu.org/mailman/listinfo/grub-devel
>>
> 
> 
> 
> 
> _______________________________________________
> Grub-devel mailing list
> address@hidden
> https://lists.gnu.org/mailman/listinfo/grub-devel
>

signature.asc
Description: OpenPGP digital signature