Re: [PATCH v2] tpm: Restore functionality to xen vtpm driver.

[Jarkko Sakkinen]

On Thu, Sep 13, 2018 at 05:25:51PM -0400, Boris Ostrovsky wrote:
> From: "Dr. Greg Wettstein" <greg@xxxxxxxxxxxxxxxxx>
> 
> Functionality of the xen-tpmfront driver was lost secondary to
> the introduction of xenbus multi-page support in commit ccc9d90a9a8b
> ("xenbus_client: Extend interface to support multi-page ring").
> 
> In this commit a pointer to the shared page address was being
> passed to the xenbus_grant_ring() function rather then the
> address of the shared page itself.  This resulted in a situation

I'm sorry but I'm far from being expert with Xen and this sentence
confuses me so maybe could open it up a bit.

For me "shared page address" and "address of the shared page" are
the same thing. What am I missing? I mean just different forms in
english to describe the exact same thing...

/Jarkko