Re: [Xen-devel] [PATCH v5 5/8] xen/x86: introduce more cache maintenance operations

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 13.10.14 at 16:58, <stefano.stabellini@xxxxxxxxxxxxx> wrote:
> Move the existing flush_page_to_ram flushtlb.h.
> 
> Signed-off-by: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>

Acked-by: Jan Beulich <jbeulich@xxxxxxxx>
provided you ...

> +static inline int clean_and_invalidate_dcache_va_range(const void *p, 
> unsigned long size)
> +{
> +    unsigned int order = get_order_from_bytes(size);
> +    /* sub-page granularity support needs to be added if necessary */
> +    flush_area_local(p, FLUSH_CACHE|FLUSH_ORDER(order));
> +    return 0;
> +}
> +static inline int clean_dcache_va_range(const void *p, unsigned long size)
> +{
> +    clean_and_invalidate_dcache_va_range(p, size);
> +    return 0;

... either make this return the called function's return value or make
the whole thing a simple, object-like macro.

Jan


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