Re: [Xen-devel] [PATCH v2] xen/arm: ioremap_attr: return NULL is __vmap failed

[Ian Campbell <Ian.Campbell@xxxxxxxxxx>]

On Mon, 2013-11-18 at 13:08 +0000, Julien Grall wrote:
> Most of ioremap_* caller check if ioremap returns NULL. Actually, if the
> physical address is non-aligned, Xen will return the pointer given by
> __vmap plus the offset in the page. So if ioremap_* fails, the caller
> will retrieve an non-NULL address and continue as if there was no error.
> 
> Signed-off-by: Julien Grall <julien.grall@xxxxxxxxxx>
> Acked-by: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>

Acked-by: Ian Campbell <ian.campbell@xxxxxxxxxx>



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