Re: [Xen-devel] [PATCH v2 1/4] x86/shadow: Use ERR_PTR infrastructure for sh_emulate_map_dest()

[Wei Liu <wei.liu2@xxxxxxxxxx>]

On Fri, Sep 08, 2017 at 07:05:33PM +0300, Alexandru Isaila wrote:
> From: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
> 
> sh_emulate_map_dest() predates the introduction of the generic ERR_PTR()
> infrastructure, but take the opportunity to avoid opencoding it.
> 
> The chosen error constants require need to be negative to work with IS_ERR(),
> but no other changes.
> 
> Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>

Reviewed-by: Wei Liu <wei.liu2@xxxxxxxxxx>

I skip patch 2-4 for now because they depend on the resolution in #2.

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