Re: [PATCH v1 0/2] firmware: dmi_scan: Make it work in kexec'ed kernel

From: Andy Shevchenko
Date: Mon Jun 14 2021 - 13:07:59 EST


On Mon, Jun 14, 2021 at 06:38:30PM +0300, Andy Shevchenko wrote:
> On Sat, Jun 12, 2021 at 12:40:57PM +0800, Dave Young wrote:
> > > Probably it is doable to have kexec on 32bit efi working
> > > without runtime service support, that means no need the trick of fixed
> > > mapping.
> > >
> > > If I can restore my vm to boot 32bit efi on this weekend then I may provide some draft
> > > patches for test.
> >
> > Unfortunately I failed to setup a 32bit efi guest, here are some
> > untested draft patches, please have a try.
>
> Thanks for the patches.
>
> As previously, I have reverted my hacks and applied your patches (also I
> dropped patches from previous mail against kernel and kexec-tools) for both
> kernel and user space on first and second environments.
>
> It does NOT solve the issue.
>
> If there is no idea pops up soon, I'm going to resend my series that
> workarounds the issue.

Hold on, I may have made a mistake during testing. Let me retest this.

--
With Best Regards,
Andy Shevchenko