Re: [PATCH 0/5] i387: stable kernel backport

[Greg Kroah-Hartman]

On Wed, Feb 22, 2012 at 12:54:58PM -0800, Linus Torvalds wrote:
> 
> This is a reasonably minimal backport of the i387 state save/restore bug.
> 
> A few of the commits are just minimal "make it easier to backport" commits 
> that don't necessarily fix anything on their own.  And a few of the others 
> are combinations of what is two commits in the development tree, because 
> it turned out to be easier and cleaner that way.
> 
> The last one is the one that fixes the x86-32 bug, but the preemption 
> fixes are real fixes too, although they are probably not something that 
> anybody has necessarily ever hit in reality because the race window is so 
> small.  Even so, if the fix itself isn't that important, the "make it 
> easier to backport the main one" would still be a big argument for it.
> 
> I *really* hope that the people who could reproduce this bug will test the 
> back-port series too, since I never actually saw the bug personally to 
> begin with. And again, big thanks to Raphael who helped pinpoint and debug 
> this.

Thanks for doing the backport.  Any ideas on how far back this problem
goes?

thanks,

greg k-h
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