The Linux Foundation IT team has been working to improve the code integrity of git repositories hosted at kernel.org by promoting the use of PGP-signed git tags and commits. Doing so allows anyone to easily verify that git repositories have not been altered or tampered with no matter from which worldwide mirror they may have been cloned. If the digital signature on your cloned repository matches the PGP key belonging to Linus Torvalds or any other maintainer, then you can be assured that what you have on your computer is the exact replica of the kernel code without any omissions or additions.
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