Physical CPU hot remove is broken in hardy

Alok Kataria akataria at vmware.com
Mon Jun 23 22:53:00 UTC 2008


Hi Tim,

There are some patches which are required for the ubuntu-hardy tree to
support physical cpu hot-remove. 
In the mainline too there are some deadlock issues when hot removing a
processor. This issues were discussed in detail over here

https://bugzilla.redhat.com/show_bug.cgi?id=448588

There are a total of 7 patches which should be applied to the hardy tree
to fix these issues. Of these 2 have been merged in the mainline tree.
(I will send you these 2 patches in a separate mail)

The rest of the 5 patches are in the ACPI tree, and Len had mentioned
that, those patches will be pushed in the 2.6.27 merge window.

The commits are
2f67a0695dc389247c05041b05d2a2b06fc102a3
087803d18fb8259cb844c075a35fb27c2d80792e
3d5ed99657e93cd0453a187c478e663e6b6a3a8b
89d675d0f987534139d330eb2689ec53fab9404e
ad7f0d9feee6980a3ab3ea806854f56817d1da8e

I am interested in knowing how do we merge these patches in the
ubuntu-hardy tree, can these patches be applied to hardy for the 3rd
July release ?

Thanks,
Alok





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