On Wed, Aug 22, 2018 at 09:51:58AM +0200, Roger Pau Monne wrote:
> Returns all the memory types applicable to a page.
>
> This function is unimplemented for ARM.
>
> Signed-off-by: Roger Pau Monné <[email protected]>
> Reviewed-by: Jan Beulich <[email protected]>
> ---
> Changes since v5:
> - Return all types that apply to a page, since the types themselves
> are flags that can be or'ed together.
> ---
> Cc: Stefano Stabellini <[email protected]>
> Cc: Julien Grall <[email protected]>
> Cc: Andrew Cooper <[email protected]>
> Cc: George Dunlap <[email protected]>
> Cc: Ian Jackson <[email protected]>
> Cc: Jan Beulich <[email protected]>
> Cc: Konrad Rzeszutek Wilk <[email protected]>
> Cc: Tim Deegan <[email protected]>
> Cc: Wei Liu <[email protected]>
> ---
> xen/arch/x86/mm.c | 42 ++++++++++++++++++++++++++++++++++++++++++
> xen/include/xen/mm.h | 3 +++
> 2 files changed, 45 insertions(+)
>
> diff --git a/xen/arch/x86/mm.c b/xen/arch/x86/mm.c
> index 8ac4412554..fcf4bb0afc 100644
> --- a/xen/arch/x86/mm.c
> +++ b/xen/arch/x86/mm.c
> @@ -430,6 +430,48 @@ int page_is_ram_type(unsigned long mfn, unsigned long
> mem_type)
> return 0;
> }
>
> +unsigned int page_get_ram_type(unsigned long mfn)
It would be better if you can use type-safe mfn_t here.
> +{
> + uint64_t last = 0, maddr = pfn_to_paddr(mfn);
And then
maddr = mfn_to_maddr(mfn);
The rest looks good to me.
Wei.
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