Re: [PATCH] Use UEFI Time Service to calibrate TSC

[Andrei Borzenkov]

On Thu, Nov 12, 2015 at 10:34 AM, Michael Chang <address@hidden> wrote:
> On Mon, Nov 09, 2015 at 03:21:37PM +0100, Vladimir 'φ-coder/phcoder' 
> Serbinenko wrote:
>> On 09.11.2015 14:23, Vladimir 'φ-coder/phcoder' Serbinenko wrote:
>> > On 09.11.2015 09:03, Michael Chang wrote:
>
>> Attached proof-of-concept. It's all in one file but different methods
>> should probably go in separate files.
>
> Hi Vladmir,
>
> Thanks for your guidence to the better fix. I built your patch with
> attach patch on top of yours to fix the errors found in our build
> service and also some other affected platforms which might also need the
> similar fix.
>

Why did you need to move i386-pc ACPI files to core? They are used by
acpi module only anyway, so there is no logical reason to do it?

> In the attatched patch, for i386-pc the acpi module was not built into
> kernel because from your patch seems not use pmtimer on it. That would
> be help in saving up the kernel image size.
>
> I have tested on x86_64-efi and i386-pc and so far it works as expected.
> Please note I also manually tweaked the patch to run pmtimer calibration
> in efi and it also worked.
>
> Thanks,
> Michael
>
> _______________________________________________
> Grub-devel mailing list
> address@hidden
> https://lists.gnu.org/mailman/listinfo/grub-devel
>