From: Nina Schoetterl-Glausch <nsg@linux.ibm.com>
Date: Mon, 29 Apr 2024 17:15:12 +0000 (+0200)
Subject: KVM: s390: vsie: Use virt_to_phys for crypto control block
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=cc4edb92f55aea6eb26930087c8075bdf9967b1b;p=linux.git

KVM: s390: vsie: Use virt_to_phys for crypto control block

The address of the crypto control block in the (shadow) SIE block is
absolute/physical.
Convert from virtual to physical when shadowing the guest's control
block during VSIE.

Signed-off-by: Nina Schoetterl-Glausch <nsg@linux.ibm.com>
Reviewed-by: Christian Borntraeger <borntraeger@linux.ibm.com>
Acked-by: Alexander Gordeev <agordeev@linux.ibm.com>
Link: https://lore.kernel.org/r/20240429171512.879215-1-nsg@linux.ibm.com
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
---

diff --git a/arch/s390/kvm/vsie.c b/arch/s390/kvm/vsie.c
index d8527a046cf75..c9ecae830634f 100644
--- a/arch/s390/kvm/vsie.c
+++ b/arch/s390/kvm/vsie.c
@@ -362,7 +362,7 @@ end:
 	case -EACCES:
 		return set_validity_icpt(scb_s, 0x003CU);
 	}
-	scb_s->crycbd = ((__u32)(__u64) &vsie_page->crycb) | CRYCB_FORMAT2;
+	scb_s->crycbd = (u32)virt_to_phys(&vsie_page->crycb) | CRYCB_FORMAT2;
 	return 0;
 }