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Microsoft wants to update your Windows 11 PC without forcing you to reboot
(www.windowscentral.com)
This is a most excellent place for technology news and articles.
Isn't the concept of kernel live-patching just "wait until the kernel's not using that module, and slip in anupdatesd version"
I don't know about Windows, on Linux it's at the function level, and some cases are tricky.