On 04/22/2010 12:07 PM, Takuya Yoshikawa wrote:
+ slots->memslots[i].dirty_bitmap = NULL;
+ slots->memslots[i].dirty_bitmap_old = NULL;
kvm_free_physmem_slot(&slots->memslots[i], NULL);
+ }
+/*
+ * Please use generic *_user bitops once they become available.
+ * Be careful setting the bit won't be done atomically.
+ */
Please introduce the user bitops as part of this patchset.
OK, I will do in the next version. In this RFC, I would be happy if I can
know the overall design is right or not.
Everything looks reasonable to me.
Do you have performance numbers? I'm interested in both measurements of
KVM_SWITCH_DIRTY_LOG under various conditions and macro benchmarks (for
example, total guest throughput improvement under Kemari).
--
Do not meddle in the internals of kernels, for they are subtle and quick to panic.
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