Re: [PATCH v3] kvm: Fix page ageing bugs

From: Paolo Bonzini
Date: Mon Sep 22 2014 - 17:53:32 EST


Il 22/09/2014 22:26, Andres Lagar-Cavilla ha scritto:
> + __entry->gfn = gfn;
> + __entry->hva = ((gfn - slot->base_gfn) >>

This must be <<.

> + PAGE_SHIFT) + slot->userspace_addr;

> + /*
> + * No need for _notify because we're called within an
> + * mmu_notifier_invalidate_range_ {start|end} scope.
> + */

Why "called within"? It is try_to_unmap_cluster itself that calls
mmu_notifier_invalidate_range_*, so "we're within an
mmu_notifier_invalidate_range_start/end scope" sounds better, and it's
also what you use in the commit message.

Paolo
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