Re: [PATCH v12 03/84] KVM: Drop KVM_ERR_PTR_BAD_PAGE and instead return NULL to indicate an error

From: Alex Bennée
Date: Thu Aug 01 2024 - 04:57:43 EST


Sean Christopherson <seanjc@xxxxxxxxxx> writes:

> Remove KVM_ERR_PTR_BAD_PAGE and instead return NULL, as "bad page" is just
> a leftover bit of weirdness from days of old when KVM stuffed a "bad" page
> into the guest instead of actually handling missing pages. See commit
> cea7bb21280e ("KVM: MMU: Make gfn_to_page() always safe").
>
> Signed-off-by: Sean Christopherson <seanjc@xxxxxxxxxx>

Reviewed-by: Alex Bennée <alex.bennee@xxxxxxxxxx>

--
Alex Bennée
Virtualisation Tech Lead @ Linaro