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spapr/pci: Free MSIs during reset 

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 <groug@kaod.org>
Message-Id: <156415228410.1064338.4486161194061636096.stgit@bahia.lan>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
Greg Kurz 2019-07-26 16:44:44 +02:00 committed by David Gibson
parent 078eb6b05b
commit ea52074d3a
1 changed files with 2 additions and 0 deletions
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hw/ppc/spapr_pci.c
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@ -2080,6 +2080,8 @@ 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[] = {