[PATCH v6 1/2] x86/kexec: Build identity mapping for EFI systab and ACPI tables

Baoquan He bhe at redhat.com
Mon May 13 01:06:53 PDT 2019

Hi Dave,

On 05/13/19 at 09:50am, Borislav Petkov wrote:
> On Mon, May 13, 2019 at 03:32:54PM +0800, Baoquan He wrote:
> > This is a critical bug which breaks memory hotplug,
> Please concentrate and stop the blabla:
> 36f0c423552d ("x86/boot: Disable RSDP parsing temporarily")
> already explains what the deal is. This code was *purposefully* disabled
> because we ran out of time and it broke a couple of machines. Don't make

I remember your machine is the one on whihc the issue is reported. Could
you also test it and confirm if these all things found ealier are
cleared out?


> me repeat all that - you were on CC on *all* threads and messages!
> So we're going to try it again this cycle and if there's no fallout, it
> will go upstream. If not, it will have to be fixed. The usual thing.
> And I don't care if Kairui's patch fixes this one problem - judging by
> the fragility of this whole thing, it should be hammered on one more
> cycle on as many boxes as possible to make sure there's no other SNAFUs.
> So go test it on more machines instead. I've pushed it here:
> https://git.kernel.org/pub/scm/linux/kernel/git/bp/bp.git/log/?h=next-merge-window
> -- 
> Regards/Gruss,
>     Boris.
> Good mailing practices for 400: avoid top-posting and trim the reply.

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