On Mon, 16 Mar 2020 13:11:30 +0100 David Hildenbrand <david@xxxxxxxxxx> wrote: > On 16.03.20 13:10, Claudio Imbrenda wrote: > > On Wed, 11 Mar 2020 09:33:04 +0100 > > Christian Borntraeger <borntraeger@xxxxxxxxxx> wrote: > > > >> The sie block must be aligned to 512 bytes. Mark it as such. > >> > >> Signed-off-by: Christian Borntraeger <borntraeger@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]; > > > > I agree with the addition of aligned, but did you really have to > > remove packed? it makes me a little uncomfortable. > > There is still "__packed". > I had somehow totally missed it this is what happens when you start working before actually waking up :D