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authorDavid Hildenbrand <dahi@linux.vnet.ibm.com>2016-05-31 20:00:33 +0200
committerChristian Borntraeger <borntraeger@de.ibm.com>2016-06-10 12:07:15 +0200
commit3e3c67f6a327852375247c98b0d153c44e460216 (patch)
treeb5e538a9438015e5e3177a32fdccadfaba1e9e60 /arch/s390/kvm
parentKVM: s390: gaccess: function for preparing translation exceptions (diff)
downloadlinux-dev-3e3c67f6a327852375247c98b0d153c44e460216.tar.xz
linux-dev-3e3c67f6a327852375247c98b0d153c44e460216.zip
KVM: s390: gaccess: convert kvm_s390_check_low_addr_prot_real()
Let's use our new function for preparing translation exceptions. Signed-off-by: David Hildenbrand <dahi@linux.vnet.ibm.com> Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Diffstat (limited to 'arch/s390/kvm')
-rw-r--r--arch/s390/kvm/gaccess.c13
1 files changed, 1 insertions, 12 deletions
diff --git a/arch/s390/kvm/gaccess.c b/arch/s390/kvm/gaccess.c
index b6ccb26bc3c1..61dc45ef50b9 100644
--- a/arch/s390/kvm/gaccess.c
+++ b/arch/s390/kvm/gaccess.c
@@ -979,20 +979,9 @@ int check_gva_range(struct kvm_vcpu *vcpu, unsigned long gva, ar_t ar,
*/
int kvm_s390_check_low_addr_prot_real(struct kvm_vcpu *vcpu, unsigned long gra)
{
- struct kvm_s390_pgm_info *pgm = &vcpu->arch.pgm;
- psw_t *psw = &vcpu->arch.sie_block->gpsw;
- struct trans_exc_code_bits *tec_bits;
union ctlreg0 ctlreg0 = {.val = vcpu->arch.sie_block->gcr[0]};
if (!ctlreg0.lap || !is_low_address(gra))
return 0;
-
- memset(pgm, 0, sizeof(*pgm));
- tec_bits = (struct trans_exc_code_bits *)&pgm->trans_exc_code;
- tec_bits->fsi = FSI_STORE;
- tec_bits->as = psw_bits(*psw).as;
- tec_bits->addr = gra >> PAGE_SHIFT;
- pgm->code = PGM_PROTECTION;
-
- return pgm->code;
+ return trans_exc(vcpu, PGM_PROTECTION, gra, 0, GACC_STORE, PROT_TYPE_LA);
}