Re: sched: CPU #1's llc-sibling CPU #0 is not on the same node!

[Linus Torvalds]

Yingai, Andrew,
 is this ok with you two?

        Linus

On Thu, Feb 28, 2013 at 7:46 PM, Tang Chen <tangchen@xxxxxxxxxxxxxx> wrote:
> Hi Linus,
>
> Please refer to the attached patch.
>
> This patch everts only the following two patches.
>
>
>         commit 01a178a94e8eaec351b29ee49fbb3d1c124cb7fb
>                 acpi, memory-hotplug: support getting hotplug info from SRAT
>         commit e8d1955258091e4c92d5a975ebd7fd8a98f5d30f
>
>                 acpi, memory-hotplug: parse SRAT before memblock is ready
>
> Without these two patches, users can use "movablemem_map=nn[KMG]@ss[KMG]"
> correctly, and cause no problem.
>
> And of course, the kernel will work as before if users don't use
>
> "movablemem_map=nn[KMG]@ss[KMG]".
>
> I do hope we can keep "movablemem_map=nn[KMG]@ss[KMG]" in 3.9.
>
>
> We are working on fixing the SRAT problems, and we aims to push SRAT related
> patches in 3.10. And we will also improve "movablemem_map=nn[KMG]@ss[KMG]"
> functionality consistently in the future.
>
> Thanks. :)
>
>
> On 03/01/2013 11:13 AM, Linus Torvalds wrote:
>>
>> On Wed, Feb 27, 2013 at 1:26 PM, Andrew Morton
>> <akpm@xxxxxxxxxxxxxxxxxxxx>  wrote:
>>>
>>>
>>> So I'm thinking that the best approach here is to revert everything and
>>> then try again for 3.10-rc1.  This gives people time to test the code
>>> while it's only in linux-next.  (Hint!)
>>
>>
>> I'd prefer to revert too by now - the bug seems to be known, and
>> apparently it's not a trivial fix. We're getting close to the end of
>> the merge window, and it's still being discussed, it clearly wasn't
>> really fully cooked.
>>
>> Can we agree on some minimal set of reverts? Can somebody send me a
>> patch with the revert and the commit explanation for the revert?
>> Yinghai? Or I can do the reverts too if just the exact set of commits
>> is clear, but I'd rather get it from somebody who sees and understand
>> the problem, and can test the state afterwards..
>>
>>                 Linus
>>
>
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