linux-kernel - [PATCH v1 0/2] KVM: s390: fix two newly introduced bugs

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Message-ID: <20250213200755.196832-1-imbrenda@linux.ibm.com>
Date: Thu, 13 Feb 2025 21:07:53 +0100
From: Claudio Imbrenda <imbrenda@...ux.ibm.com>
To: kvm@...r.kernel.org
Cc: linux-kernel@...r.kernel.org, linux-s390@...r.kernel.org,
        frankja@...ux.ibm.com, borntraeger@...ibm.com, david@...hat.com,
        nrb@...ux.ibm.com, seiden@...ux.ibm.com, nsg@...ux.ibm.com,
        schlameuss@...ux.ibm.com, hca@...ux.ibm.com
Subject: [PATCH v1 0/2] KVM: s390: fix two newly introduced bugs

* fix race when making a page secure (hold pte lock again)
* fix issues when splitting folios (use split_huge_page_to_list_to_order())

This should fix the issues I have seen, which I think/hope are also the same
issues that David found.

Claudio Imbrenda (2):
  KVM: s390: fix issues when splitting folios
  KVM: s390: pv: fix race when making a page secure

 arch/s390/include/asm/gmap.h |  2 +-
 arch/s390/include/asm/uv.h   |  2 +-
 arch/s390/kernel/uv.c        | 19 +++++++++++++++++--
 arch/s390/kvm/gmap.c         | 16 ++++++++++------
 arch/s390/mm/gmap.c          | 11 ++++++++---
 5 files changed, 37 insertions(+), 13 deletions(-)

-- 
2.48.1