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From: Farhan Ali <alifm@linux.ibm.com>
To: linux-kernel@vger.kernel.org, linux-s390@vger.kernel.org,
	kvm@vger.kernel.org
Cc: alifm@linux.ibm.com, mjrosato@linux.ibm.com,
	borntraeger@linux.ibm.com, farman@linux.ibm.com
Subject: [PATCH v2 0/4] KVM s390x PCI fixes
Date: Thu, 16 Jul 2026 10:52:37 -0700	[thread overview]
Message-ID: <20260716175241.1039-1-alifm@linux.ibm.com> (raw)

Hi,

This series attempts to fix some the pre-existing issues[1] found by sashiko.
In v1 of the series, sashiko correctly pointed out some issues with the fix
for AISB/AIBV spanning multiple pages and resource leaks that can happen
over multiple ioctl calls for the same device. Fixing these will require 
some more rework and will be address later.  

[1] https://lore.kernel.org/all/20260624063447.85DF51F000E9@smtp.kernel.org/

Thanks
Farhan

ChangeLog
---------
v1: https://lore.kernel.org/all/20260713172600.1284-1-alifm@linux.ibm.com/
v1 -> v2
   - Drop fix handling AISB/AIBV spanning multiple pages.
   - Fix memory accounting functions for the case when interrupt forwarding
   is enabled by one process but disabled by a different process (patch 1).

Farhan Ali (4):
  KVM: s390: pci: Fix memory accounting for pinned/unpinned pages
  KVM: s390: pci: Fix missing error codes and memory unaccounting
  KVM: s390: pci: Fix NULL dereference on AIBV allocation failure
  KVM: s390: pci: Fix resource leak on IRQ registration failure

 arch/s390/kvm/pci.c | 75 +++++++++++++++++++++++++++++++++++++--------
 arch/s390/kvm/pci.h |  2 ++
 2 files changed, 64 insertions(+), 13 deletions(-)

-- 
2.43.0


             reply	other threads:[~2026-07-16 17:52 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-07-16 17:52 Farhan Ali [this message]
2026-07-16 17:52 ` [PATCH v2 1/4] KVM: s390: pci: Fix memory accounting for pinned/unpinned pages Farhan Ali
2026-07-16 18:08   ` sashiko-bot
2026-07-16 17:52 ` [PATCH v2 2/4] KVM: s390: pci: Fix missing error codes and memory unaccounting Farhan Ali
2026-07-16 18:06   ` sashiko-bot
2026-07-16 17:52 ` [PATCH v2 3/4] KVM: s390: pci: Fix NULL dereference on AIBV allocation failure Farhan Ali
2026-07-16 18:06   ` sashiko-bot
2026-07-16 17:52 ` [PATCH v2 4/4] KVM: s390: pci: Fix resource leak on IRQ registration failure Farhan Ali
2026-07-16 18:05   ` sashiko-bot

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