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Re: [PATCH v5 2/2] drivers/virt: vmgenid: add vm generation id driver
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From: |
Michael S. Tsirkin |
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Subject: |
Re: [PATCH v5 2/2] drivers/virt: vmgenid: add vm generation id driver |
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Date: |
Tue, 9 Feb 2021 09:55:32 -0500 |
> +The ``vmgenid`` driver uses ACPI events to be notified by hardware
> +changes to the 128-bit Vm Gen Id UUID.
That's ok, problem is ACPI event processing is asynchronous.
What we need is thus to flush out ACPI events whenever userspace
does a read, otherwise the value it gets will be stale.
--
MST
- [PATCH v5 0/2] System Generation ID driver and VMGENID backend, Adrian Catangiu, 2021/02/01
- [PATCH v5 1/2] drivers/misc: sysgenid: add system generation id driver, Adrian Catangiu, 2021/02/01
- Re: [PATCH v5 1/2] drivers/misc: sysgenid: add system generation id driver, Greg KH, 2021/02/02
- Re: [PATCH v5 1/2] drivers/misc: sysgenid: add system generation id driver, Greg KH, 2021/02/02
- Re: [PATCH v5 1/2] drivers/misc: sysgenid: add system generation id driver, Greg KH, 2021/02/02
- Re: [PATCH v5 1/2] drivers/misc: sysgenid: add system generation id driver, Randy Dunlap, 2021/02/02
- Re: [PATCH v5 1/2] drivers/misc: sysgenid: add system generation id driver, Michael S. Tsirkin, 2021/02/09
- [PATCH v5 2/2] drivers/virt: vmgenid: add vm generation id driver, Adrian Catangiu, 2021/02/01
- Re: [PATCH v5 2/2] drivers/virt: vmgenid: add vm generation id driver,
Michael S. Tsirkin <=