On 04/12/2010 05:15 AM, Takuya Yoshikawa wrote:
OK, but we have one problem: ia64. I checked all architectures' dirty
bitmap
implementations and thought generalizing this work is not so hard
except for
ia64. It's already too different from other parts.
#ifdef CONFIG_IA64
unsigned long *dirty_bitmap;
#else
...
#endif
is acceptable?
I think you can keep the bitmap in userspace, but replace the vmalloc()
with get_user_pages() and vmap() (in arch/ia64). 'dirty_bitmap' can
then be in kvm->arch.
Note: this will likely break ia64 without testing. Please copy the
patches to kvm-i...@vger.kernel.org so they can test and fix them if
they want to.
The patches should at least build, though. If you don't have an ia64
machine, I can build-test them for you.
--
I have a truly marvellous patch that fixes the bug which this
signature is too narrow to contain.
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