On 1/16/25 12:33 PM, Claudio Imbrenda wrote:
Refactor the existing page fault handling code to use __kvm_faultin_pfn().
This possible now that memslots are always present.
Signed-off-by: Claudio Imbrenda <imbrenda@xxxxxxxxxxxxx>
---
arch/s390/kvm/kvm-s390.c | 122 ++++++++++++++++++++++++++++++---------
arch/s390/kvm/kvm-s390.h | 6 ++
arch/s390/mm/gmap.c | 1 +
3 files changed, 102 insertions(+), 27 deletions(-)
diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c
index c9496d23470c..7608cffb805f 100644
--- a/arch/s390/kvm/kvm-s390.c
+++ b/arch/s390/kvm/kvm-s390.c
@@ -4784,11 +4784,102 @@ static void kvm_s390_assert_primary_as(struct kvm_vcpu *vcpu)
current->thread.gmap_int_code, current->thread.gmap_teid.val);
}
+/*
+ * __kvm_s390_handle_dat_fault() - handle a dat fault for the gmap of a vcpu
+ * @vcpu: the vCPU whose gmap is to be fixed up
+ * @gfn: the guest frame number used for memslots (including fake memslots)
+ * @gaddr: the gmap address, does not have to match @gfn for ucontrol gmaps
+ * @flags: FOLL_* flags
+ *
+ * Return: 0 on success, < 0 in case or error.
s/or/of/
With nit fixed:
Acked-by: Janosch Frank <frankja@xxxxxxxxxxxxx>
