Re: [Xen-devel] [PATCH] nested vmx: fix I/O port bitmap indexing arithmetic

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 29.11.13 at 23:38, Matthew Daley <mattd@xxxxxxxxxxx> wrote:
> The I/O port bitmap holds 8 ports per element, and hence the port number
> used when indexing into it should be shifted right by 3 bits, not 4.
> 
> Signed-off-by: Matthew Daley <mattd@xxxxxxxxxxx>
> ---
> Jan: I'm not sure if this also needs a fixup similar to what you did in
> SVM code with commit b1e87805bf.

Yes, definitely. The wrapping behavior is different for VMX though.
In fact, I'd prefer the whole fix to be done in one go (unless you
tell me that you're not going to find time to do so any time soon).

Jan


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