Re: H_CLEAR_REF and H_CLEAR_MOD

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> Am 18.02.2015 um 07:12 schrieb Nathan Whitehorn <nwhitehorn@xxxxxxxxxxx>:
> 
> It seems like KVM doesn't implement the H_CLEAR_REF and H_CLEAR_MOD hypervisor calls, which are absolutely critical for memory management in the FreeBSD kernel (and are marked "mandatory" in the PAPR manual). It seems some patches have been contributed already in https://lists.ozlabs.org/pipermail/linuxppc-dev/2011-December/095013.html, so it would be fantastic if these could end up upstream.

Paul, I guess we never included this because  there was no user. If FreeBSD does use it though, I think it makes a lot of sense to resend it for inclusion.

> 
> I'm going to try to get some kind of workaround in the meantime so we can at least run on existing kernels.

Please don't add hacks in FreeBSD only because kvm is missing a feature. Let's just get this done properly :).


Alex

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