From 26879f41a890a93beabefebb19c399561013a615 Mon Sep 17 00:00:00 2001 From: David Gibson Date: Tue, 10 Sep 2019 07:04:28 +0100 Subject: [PATCH 6/6] spapr/pci: Free MSIs during reset MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit RH-Author: David Gibson Message-id: <20190910070428.28628-3-dgibson@redhat.com> Patchwork-id: 90363 O-Subject: [RHEL-AV-8.1 qemu-kvm PATCH 2/2] spapr/pci: Free MSIs during reset Bugzilla: 1750200 RH-Acked-by: Thomas Huth RH-Acked-by: Philippe Mathieu-Daudé RH-Acked-by: Laurent Vivier From: Greg Kurz When the machine is reset, the MSI bitmap is cleared but the allocated MSIs are not freed. Some operating systems, such as AIX, can detect the previous configuration and assert. Empty the MSI cache, this performs the needed cleanup. Signed-off-by: Greg Kurz Message-Id: <156415228410.1064338.4486161194061636096.stgit@bahia.lan> Reviewed-by: Cédric Le Goater Reviewed-by: Philippe Mathieu-Daudé Signed-off-by: David Gibson (cherry picked from commit ea52074d3a1c5fbe70f3014dc1b1f2e7d5ced5de) Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=1750200 Signed-off-by: David Gibson Signed-off-by: Danilo C. L. de Paula --- hw/ppc/spapr_pci.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/hw/ppc/spapr_pci.c b/hw/ppc/spapr_pci.c index 1ffcfae..128c981 100644 --- a/hw/ppc/spapr_pci.c +++ b/hw/ppc/spapr_pci.c @@ -2078,6 +2078,8 @@ static void spapr_phb_reset(DeviceState *qdev) if (spapr_phb_eeh_available(SPAPR_PCI_HOST_BRIDGE(qdev))) { spapr_phb_vfio_reset(qdev); } + + g_hash_table_remove_all(sphb->msi); } static Property spapr_phb_properties[] = { -- 1.8.3.1