Re: [PATCH v2 4/8] KVM: s390: Fix gmap_link()

[Steffen Eiden]

On Fri, Mar 20, 2026 at 05:15:38PM +0100, Claudio Imbrenda wrote:
> The slow path of the fault handler ultimately called gmap_link(), which
> assumed the fault was a major fault, and blindly called dat_link().
> 
> In case of minor faults, things were not always handled properly; in
> particular the prefix and vsie marker bits were ignored.
> 
> Move dat_link() into gmap.c, renaming it accordingly. Once moved, the
> new _gmap_link() function will be able to correctly honour the prefix
> and vsie markers.
> 
> Signed-off-by: Claudio Imbrenda <imbrenda@xxxxxxxxxxxxx>
> Fixes: 94fd9b16cc67 ("KVM: s390: KVM page table management functions: lifecycle management")
> Fixes: a2c17f9270cc ("KVM: s390: New gmap code")

Reviewed-by: Steffen Eiden <seiden@xxxxxxxxxxxxx>