Ingo Molnar wrote:
* Avi Kivity <[email protected]> wrote:
+#ifdef CONFIG_SCHED_KVM
+static __read_mostly struct sched_kvm_hooks kvm_hooks;
+#endif
please just add a current->put_vcpu() function pointer instead of
this hooks thing.
Won't that increase task_struct (16 bytes on 64-bit) unnecessarily?
The function pointers are common to all virtual machines.
well, this function pointer could then be reused by other virtual
machines as well, couldnt it?
I don't get this. If we add a couple of members to task_struct, it
can't be reused. The values will be the same across all tasks, but the
memory will be gone (including tasks which aren't virtual machines).
If the task struct overhead is a problem
(it really isnt, and it's dependent on CONFIG_KVM) then we could switch
it around to a notifier-alike mechanism.
I'm hoping that CONFIG_KVM will be enabled on most distro kernels, so we
need to optimize for that case as well.
--
error compiling committee.c: too many arguments to function
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