[PATCH v6 21/33] KVM: s390: gmap: Make prefix handling optional

[Christian Borntraeger]

Am 12.08.26 um 17:36 schrieb Steffen Eiden:
> Guard guest prefix handling behind `KVM_S390_MANAGES_S390_GUEST`. This
> enables other KVM implementations to use gmap without implementing
> prefix handling. The prefix handling is integrated deeply in the gmap
> implementation. Therefore, provide safe default implementations for the
> guarded functions.
> 
> No functional changes.
> 
> Signed-off-by: Steffen Eiden <seiden at linux.ibm.com>

Reviewed-by: Christian Borntraeger <borntraeger at linux.ibm.com>