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
> 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
Pingfan has got a machine to reproduce the kexec breakage issue, and
applying these two patches fix it. He planned to paste the test result.
I will ask him to try this branch if he has time, or I can get his
machine to test.
Junichi, also have a try on Boris's branch in NEC's test environment?
Thanks
Baoquan
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