Re: [PATCH v2 3/4] KVM: cleanup: remove kvm_get_dirty_log()

Takuya Yoshikawa
2010-06-26T00:38:23Z

On Fri, 25 Jun 2010 21:25:57 +0200
Alexander Graf <agraf-l3A5Bk7waGM@public.gmane.org> wrote:

>
> This patch plus 4/4 broke dirty bitmap updating on PPC. I didn't get around to track down why, but I figured you should now. Is there any way to get you a PPC development box? A simple G4 or G5 should be 200$ on ebay by now :).
>

I'm sorry, I thought this change was just trivial code transformation
and test for x86 would be OK: but not actually. Probably the reason is
around the timing of copy_to_user() and newly introduced clear_user()
for clean slot.

>
> Alex
>