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From: | Xie Changlong |
Subject: | [Qemu-devel] [Question] How can we confirm hot-plug disk succesfully? |
Date: | Sun, 18 Jun 2017 15:21:57 +0800 |
User-agent: | Mozilla/5.0 (Windows NT 6.1; WOW64; rv:52.0) Gecko/20100101 Thunderbird/52.1.1 |
Hi allIn device hot-remove scenario, if we don't probe acpiphp module on the guest, 'device_del' will never emit DEVICE_DELETED event(because guest will not write to __EJ0) . So we can confirm that hot-remove failed. But IIUC, there is no event such as DEVICE_ADDED, so
1) How can we confirm hotplug('device_add') successfully?2) It seems when hot-plug disk, we don't care acpiphp module status on the guest, am I right?
3) Why there is no DEVICE_ADDED like event? Any answer would be appreciated, thanks. -- Thanks -Xie
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