Re: [PATCH v12 04/20] KVM: pfncache: add a mark-dirty helper

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On Mon, Jan 15, 2024, Paul Durrant wrote:
> diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
> index 7e7fd25b09b3..f3bb9e0a81fe 100644
> --- a/include/linux/kvm_host.h
> +++ b/include/linux/kvm_host.h
> @@ -1399,6 +1399,17 @@ int kvm_gpc_refresh(struct gfn_to_pfn_cache *gpc, unsigned long len);
>   */
>  void kvm_gpc_deactivate(struct gfn_to_pfn_cache *gpc);
>  
> +/**
> + * kvm_gpc_mark_dirty - mark a cached page as dirty.
> + *
> + * @gpc:	   struct gfn_to_pfn_cache object.
> + */
> +static inline void kvm_gpc_mark_dirty(struct gfn_to_pfn_cache *gpc)

Any objection to kvm_gpc_mark_dirty_in_slot()?  I want to make it clear this only
marks the gfn dirty in the memslot, i.e. that it doesn't mark the underlying page
as dirty.




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