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KVM: s390: vsie: Assert crycb alignment in vsie_page

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The crypto control block address is required to have double word
alignment. Add a static_assert to enforce correct alignment.

Signed-off-by: Christoph Schlameuss <schlameuss@linux.ibm.com>
Reviewed-by: Christian Borntraeger <borntraeger@linux.ibm.com>
[borntraeger@linux.ibm.com: improve commit message]
Signed-off-by: Christian Borntraeger <borntraeger@linux.ibm.com>
This commit is contained in:
Christoph Schlameuss 2026-08-07 11:57:46 +02:00 committed by Christian Borntraeger
parent 7cdbd4c743
commit 6a3fe9ecc2
1 changed files with 1 additions and 0 deletions
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arch/s390/kvm/vsie.c
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@ -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,