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xen/swiotlb: Pass addresses rather than frame numbers to xen_arch_need_swiotlb

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With 64KB page granularity support, the frame number will be different.

It will be easier to modify the behavior in a single place rather than
in each caller.

Signed-off-by: Julien Grall <julien.grall@citrix.com>
Reviewed-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Signed-off-by: David Vrabel <david.vrabel@citrix.com>
This commit is contained in:
Julien Grall
2015-09-09 15:17:33 +01:00
committed by David Vrabel
parent 250c9af3d8
commit 291be10fd7
4 changed files with 11 additions and 8 deletions
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4
arch/arm/include/asm/xen/page.h
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@@ -115,8 +115,8 @@ static inline bool set_phys_to_machine(unsigned long pfn, unsigned long mfn)
#define xen_unmap(cookie) iounmap((cookie))
bool xen_arch_need_swiotlb(struct device *dev,
unsigned long pfn,
unsigned long bfn);
phys_addr_t phys,
dma_addr_t dev_addr);
unsigned long xen_get_swiotlb_free_pages(unsigned int order);
#endif /* _ASM_ARM_XEN_PAGE_H */