Re: [PATCH 5/6] KVM: s390: vsie: Assert crycb alignment in vsie_page

Am 07.08.26 um 11:57 schrieb Christoph Schlameuss:
> The crypto control block address is required to have double word
> alignment.
> 
> Signed-off-by: Christoph Schlameuss <[email protected]>

Reviewed-by: Christian Borntraeger <[email protected]>

> ---
>   arch/s390/kvm/vsie.c | 1 +
>   1 file changed, 1 insertion(+)
> 
> diff --git a/arch/s390/kvm/vsie.c b/arch/s390/kvm/vsie.c
> index 7c3b5e11b301..c9392460edca 100644
> --- a/arch/s390/kvm/vsie.c
> +++ b/arch/s390/kvm/vsie.c
> @@ -69,6 +69,7 @@ struct vsie_page {
>   
>   static_assert(sizeof(struct vsie_page) == PAGE_SIZE);
>   static_assert(offsetof(struct vsie_page, mcck_info) == offsetof(struct sie_page, mcck_info));
> +static_assert(IS_ALIGNED(offsetof(struct vsie_page, crycb), 8));
>   
>   /* trigger a validity icpt for the given scb */
>   static int set_validity_icpt(struct kvm_s390_sie_block *scb,
>