Re: [Xen-devel] [PATCH] x86/EISA: Don't probe EISA bus for Xen PV guests

[Thomas Gleixner <tglx@xxxxxxxxxxxxx>]

On Tue, 11 Sep 2018, Boris Ostrovsky wrote:

> For unprivileged Xen PV guests this is normal memory and ioremap will
> not be able to properly map it.
> 
> While at it, since ioremap may return NULL, add a test for pointer's
> validity.

I assume this goes back to very dead kernels, so that should go with a Cc
stable, right?

Thanks,

        tglx

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