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