linux-kernel - [PATCH v1 0/3] KVM: s390: Three small fixes

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Message-ID: <20260206143553.14730-1-imbrenda@linux.ibm.com>
Date: Fri,  6 Feb 2026 15:35:50 +0100
From: Claudio Imbrenda <imbrenda@...ux.ibm.com>
To: kvm@...r.kernel.org
Cc: linux-kernel@...r.kernel.org, linux-s390@...r.kernel.org,
        borntraeger@...ibm.com, frankja@...ux.ibm.com, nsg@...ux.ibm.com,
        nrb@...ux.ibm.com, seiden@...ux.ibm.com, gra@...ux.ibm.com,
        schlameuss@...ux.ibm.com, hca@...ux.ibm.com, svens@...ux.ibm.com,
        agordeev@...ux.ibm.com, gor@...ux.ibm.com, david@...nel.org,
        gerald.schaefer@...ux.ibm.com
Subject: [PATCH v1 0/3] KVM: s390: Three small fixes

This is a follow-up bugfix series for the previous series
titled "KVM: s390: gmap rewrite, the real deal"

* Fix a small long standing issue when marking as dirty guest pages that
  contain the interrupt indicator bits and summary bits.
* Fix two newly introduced race conditions that can be triggered with
  nested virtualization.

To be applied on top of kvms390/next:
commit f7ab71f178d5 ("KVM: s390: Add explicit padding to struct kvm_s390_keyop")

Claudio Imbrenda (3):
  KVM: s390: Use guest address to mark guest page dirty
  KVM: s390: vsie: Fix race in walk_guest_tables()
  KVM: s390: vsie: Fix race in acquire_gmap_shadow()

 arch/s390/kvm/gaccess.c   |  3 +++
 arch/s390/kvm/gmap.c      | 15 ++++++++++++---
 arch/s390/kvm/interrupt.c |  6 ++++--
 arch/s390/kvm/vsie.c      |  6 +++++-
 include/linux/kvm_host.h  |  2 ++
 5 files changed, 26 insertions(+), 6 deletions(-)

-- 
2.52.0