Re: [PATCH v6 1/2] drivers/misc: sysgenid: add system generation id driver

2021-02-22 Thread Greg KH
On Mon, Feb 22, 2021 at 11:41:25AM +0200, Adrian Catangiu wrote: > The driver also generates a `SYSGENID=%u` uevent containing the new > system generation counter/id value every time it changes. Unlike the > filesystem interface, the uevent has no synchronization guarantees > therefore it should no

[PATCH v6 1/2] drivers/misc: sysgenid: add system generation id driver

2021-02-22 Thread Adrian Catangiu
- Background and problem The System Generation ID feature is required in virtualized or containerized environments by applications that work with local copies or caches of world-unique data such as random values, uuids, monotonically increasing counters, etc. Such applications can be negatively af