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pcie: expire pending delete

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Add an expire time for pending delete, once the time is over allow
pressing the attention button again.

This makes pcie hotplug behave more like acpi hotplug, where one can
try sending an 'device_del' monitor command again in case the guest
didn't respond to the first attempt.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-Id: <20211111130859.1171890-7-kraxel@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Gerd Hoffmann 2021-11-11 14:08:59 +01:00 • committed by Michael S. Tsirkin
parent 0d33415a4e
commit 18416c62e3
3 changed files with 6 additions and 1 deletions
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4
softmmu/qdev-monitor.c
View file

@ -943,7 +943,9 @@ void qmp_device_del(const char *id, Error **errp)
{
DeviceState *dev = find_device_state(id, errp);
if (dev != NULL) {
if (dev->pending_deleted_event) {
if (dev->pending_deleted_event &&
(dev->pending_deleted_expires_ms == 0 ||
dev->pending_deleted_expires_ms > qemu_clock_get_ms(QEMU_CLOCK_VIRTUAL))) {
error_setg(errp, "Device %s is already in the "
"process of unplug", id);
return;