On Wed, 2012-06-27 at 22:10 +1000, Benjamin Herrenschmidt wrote:
> From: David Gibson <[email protected]>
>
> This adds support for then new "reset htab" ioctl which allows qemu
> to properly cleanup the MMU hash table when the guest is reset. With
> the corresponding kernel support, reset of a guest now works properly.
>
> This also paves the way for indicating a different size hash table
> to the kernel and for the kernel to be able to impose limits on
> the requested size.
Alex, this has a bug, if you already applied it, please sneak:
> +int kvmppc_reset_htab(int shift_hint)
> +{
> + uint32_t shift = shift_hint;
> +
> + if (kvm_check_extension(kvm_state, KVM_CAP_PPC_ALLOC_HTAB)) {
The above shall be if (kvm_enabled() && ....
Else it will segfault in kvm_check_extension
Or let me know if I should re-submit.
Cheers,
Ben.
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