Re: [PATCH urgent] x86: Save cr4 to mmu_cr4_features at boot time

[Stefano Stabellini]

On Mon, 4 Apr 2011, Ingo Molnar wrote:
> 
> * Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx> wrote:
> 
> > Just to clarify the situation the patch "x86-64: finish cleanup_highmaps()'s 
> > job wrt. _brk_end" was backported to the stable trees [...]
> 
> There's no commit with such a title upstream - there's not even one that is 
> close. Could you cite the sha1 you refer to?

The commit id upstream is 498343967613183611ac37dccb2846496d954c06


> > [...] (including Jeremy's 2.6.32 xen tree because he pulled from 2.6.32.y) 
> > breaking boot on xen.
> 
> Basing upstream-relevant trees on stable backported sha1's is a very, very bad 
> idea.

We are not using Jeremy's 2.6.32 tree for development anymore, we
develop on upstream directly.


> > Yinghai's patch plus another patch of mine fix that breakage and that is why 
> > I ask for it to be backported.
> 
> So it fixes a commit that is nowhere to be found upstream?

It fixes 498343967613183611ac37dccb2846496d954c06, if you are interested
in all the details of the conversation with Yinghai and Peter, here are
a couple of links to the lkml archives:

https://lkml.org/lkml/2011/1/31/232
https://lkml.org/lkml/2011/2/28/410

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