On Fri, Mar 16, 2007 at 10:26:55AM -0700, Jeremy Fitzhardinge wrote:
> +#ifdef CONFIG_HIGHPTE
> + .kmap_atomic_pte = native_kmap_atomic_pte,
> +#else
> + .kmap_atomic_pte = paravirt_nop,
> +#endif
This is ifdefing is quite ugly. Shouldn't native_kmap_atomic_pte
just be a noop in the !CONFIG_HIGHPTE case?
> -void *kmap_atomic(struct page *page, enum km_type type)
> +void *_kmap_atomic(struct page *page, enum km_type type, pgprot_t prot)
We normally call our "secial" function __foo, not _foo. But in this
case it really should have a more meaningfull name like
kmap_atomic_prot anyway.
> +void *kmap_atomic(struct page *page, enum km_type type)
> +{
> + return _kmap_atomic(page, type, kmap_prot);
And this one should probably be an inline.
> +static inline void *native_kmap_atomic_pte(struct page *page, enum km_type
> type)
> +{
> + return kmap_atomic(page, type);
> +}
> +
> +#ifndef CONFIG_PARAVIRT
> +#define kmap_atomic_pte(page, type) kmap_atomic(page, type)
> +#endif
This is all getting rather ugly just for your pagetable hackery.
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