github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-09-24 06:24:02 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

KVM: s390: vsie: Assert mcck_info offset in vsie_page

Browse Source 
Ensure that the backup info for machine check is the same offset as that
in struct sie_page!

With the assertion in place we do not need the comment anymore.

Signed-off-by: Christoph Schlameuss <schlameuss@linux.ibm.com>
Reviewed-by: Christian Borntraeger <borntraeger@linux.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@linux.ibm.com>
This commit is contained in:
Christoph Schlameuss 2026-08-07 11:57:45 +02:00 committed by Christian Borntraeger
parent 38926a93f7
commit 7cdbd4c743
1 changed files with 2 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
arch/s390/kvm/vsie.c
View File

@ -33,10 +33,7 @@ enum vsie_page_flags {
struct vsie_page {
struct kvm_s390_sie_block scb_s; /* 0x0000 */
/*
* the backup info for machine check. ensure it's at
* the same offset as that in struct sie_page!
*/
/* backup info for machine check */
struct mcck_volatile_info mcck_info; /* 0x0200 */
/*
* The pinned original scb. Be aware that other VCPUs can modify
@ -71,6 +68,7 @@ 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));
/* trigger a validity icpt for the given scb */
static int set_validity_icpt(struct kvm_s390_sie_block *scb,