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SubjectRe: [PATCH] x86_64 Avoid some atomic operations during address space destruction
Date
On Thursday 25 August 2005 19:12, Zachary Amsden wrote:
> Andi Kleen wrote:
> >On Sunday 07 August 2005 14:16, Zachary Amsden wrote:
> >
> >
> >FYI I have queued it, but cannot apply it because the necessary generic
> >code support is still not in mainline.
>
> Here's the patch for generic / i386 support; it's already in the -mm tree.

I'll probably not put that into my tree because I try to avoid generic
patches of other people - i assume it's queued for mainline.

If you want you can include the x86-64 patch with that submission too
(it's fine for me), alternatively I'll submit it later when I do the next
merge from i386 (that might take some time though) or remember about it
for some other reason.

>
> >Do you have any other optimizations pending for x86-64?
> >
> >There is still the iopl optimization that you did that is on my TODO list
> > to add. Anything else.
>
> I started porting the IOPL work, but got confused in my tree and end up
> patching asm-i386 with x86-64 code. The joy of unenforced source control!

Ok. When you don't get around to it I'll eventually.

>
> I have some other MMU optimizations pending that will hopefully be a win
> for all architectures; still measuring which alternative is best there.

Ok. Thanks. Please keep me updated on that.

-Andi
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