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List:       linux-s390
Subject:    Re: [PATCH v4 1/2] drivers/misc: sysgenid: add system generation id driver
From:       Pavel Machek <pavel () ucw ! cz>
Date:       2021-01-27 22:15:05
Message-ID: 20210127221505.GB24799 () amd
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Hi!

> - Solution
> 
> The System Generation ID is a simple concept meant to alleviate the
> issue by providing a monotonically increasing u32 counter that changes
> each time the VM or container is restored from a snapshot.

I'd make it u64.

But as people explained, this has race problems that may be impossible
to solve?

Best regards,
								Pavel
								
-- 
http://www.livejournal.com/~pavelmachek

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