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| author | Steve Sistare <steven.sistare@oracle.com> | 2025-06-10 10:26:43 -0700 |
|---|---|---|
| committer | Cédric Le Goater <clg@redhat.com> | 2025-06-11 14:01:58 +0200 |
| commit | 24c156dcd94299f64994170ce84efac9ae001f41 (patch) | |
| tree | 29a8ecbd477db7370ef7b4e73ee5ac1a5b6254fa /hw/vfio/pci.c | |
| parent | 8df3fa3d6753332a64eca53780517972075966e1 (diff) | |
| download | focaccia-qemu-24c156dcd94299f64994170ce84efac9ae001f41.tar.gz focaccia-qemu-24c156dcd94299f64994170ce84efac9ae001f41.zip | |
pci: skip reset during cpr
Do not reset a vfio-pci device during CPR. Signed-off-by: Steve Sistare <steven.sistare@oracle.com> Acked-by: Michael S. Tsirkin <mst@redhat.com> Link: https://lore.kernel.org/qemu-devel/1749576403-25355-1-git-send-email-steven.sistare@oracle.com Signed-off-by: Cédric Le Goater <clg@redhat.com>
Diffstat (limited to 'hw/vfio/pci.c')
| -rw-r--r-- | hw/vfio/pci.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/hw/vfio/pci.c b/hw/vfio/pci.c index 89f9246416..b97261c61b 100644 --- a/hw/vfio/pci.c +++ b/hw/vfio/pci.c @@ -3411,6 +3411,13 @@ static void vfio_instance_init(Object *obj) /* QEMU_PCI_CAP_EXPRESS initialization does not depend on QEMU command * line, therefore, no need to wait to realize like other devices */ pci_dev->cap_present |= QEMU_PCI_CAP_EXPRESS; + + /* + * A device that is resuming for cpr is already configured, so do not + * reset it during qemu_system_reset prior to cpr load, else interrupts + * may be lost. + */ + pci_dev->cap_present |= QEMU_PCI_SKIP_RESET_ON_CPR; } static void vfio_pci_base_dev_class_init(ObjectClass *klass, const void *data) |