The sie block must be aligned to 512 bytes. Mark it as such. Signed-off-by: Christian Borntraeger <borntraeger@xxxxxxxxxx> Reviewed-by: David Hildenbrand <david@xxxxxxxxxx> --- arch/s390/include/asm/kvm_host.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/s390/include/asm/kvm_host.h b/arch/s390/include/asm/kvm_host.h index 0ea82152d2f7..2d50f6c432e2 100644 --- a/arch/s390/include/asm/kvm_host.h +++ b/arch/s390/include/asm/kvm_host.h @@ -344,7 +344,7 @@ struct kvm_s390_sie_block { __u64 itdba; /* 0x01e8 */ __u64 riccbd; /* 0x01f0 */ __u64 gvrd; /* 0x01f8 */ -} __attribute__((packed)); +} __packed __aligned(512); struct kvm_s390_itdb { __u8 data[256]; -- 2.24.1