Pass the right type of flag to vcpu_dat_fault_handler(); it expects a
FOLL_* flag (in particular FOLL_WRITE), but FAULT_FLAG_WRITE is passed
instead.
This still works because they happen to have the same integer value,
but it's a mistake, thus the fix.
Signed-off-by: Claudio Imbrenda <imbrenda@xxxxxxxxxxxxx>
Fixes: 05066cafa925 ("s390/mm/fault: Handle guest-related program interrupts in KVM")
---
arch/s390/kvm/kvm-s390.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c
index d5ad10791c25..d41d77f2c7cd 100644
--- a/arch/s390/kvm/kvm-s390.c
+++ b/arch/s390/kvm/kvm-s390.c
@@ -4954,13 +4954,13 @@ static int vcpu_dat_fault_handler(struct kvm_vcpu *vcpu, unsigned long gaddr, un
static int vcpu_post_run_handle_fault(struct kvm_vcpu *vcpu)
{
- unsigned int flags = 0;
+ unsigned int foll = 0;
unsigned long gaddr;
int rc;
gaddr = current->thread.gmap_teid.addr * PAGE_SIZE;
if (kvm_s390_cur_gmap_fault_is_write())
- flags = FAULT_FLAG_WRITE;
+ foll = FOLL_WRITE;
switch (current->thread.gmap_int_code & PGM_INT_CODE_MASK) {
case 0:
@@ -5002,7 +5002,7 @@ static int vcpu_post_run_handle_fault(struct kvm_vcpu *vcpu)
send_sig(SIGSEGV, current, 0);
if (rc != -ENXIO)
break;
- flags = FAULT_FLAG_WRITE;
+ foll = FOLL_WRITE;
fallthrough;
case PGM_PROTECTION:
case PGM_SEGMENT_TRANSLATION:
@@ -5012,7 +5012,7 @@ static int vcpu_post_run_handle_fault(struct kvm_vcpu *vcpu)
case PGM_REGION_SECOND_TRANS:
case PGM_REGION_THIRD_TRANS:
kvm_s390_assert_primary_as(vcpu);
- return vcpu_dat_fault_handler(vcpu, gaddr, flags);
+ return vcpu_dat_fault_handler(vcpu, gaddr, foll);
default:
KVM_BUG(1, vcpu->kvm, "Unexpected program interrupt 0x%x, TEID 0x%016lx",
current->thread.gmap_int_code, current->thread.gmap_teid.val);
--
2.50.1
