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In particular, it makes it possible to > build each algorithm as a single module, with better inlining and dead > code elimination. For a more detailed explanation, see the patchset > which did this for the CRC library code: > https://lore.kernel.org/r/20250607200454.73587-1-ebiggers@kernel.org/. > Also see the patchset which did this for SHA-512: > https://lore.kernel.org/linux-crypto/20250616014019.415791-1-ebiggers@kernel.org/ > > This is just a preparatory commit, which does the move to get the files > into their new location but keeps them building the same way as before. > Later commits will make the actual improvements to the way the > arch-optimized code is integrated for each algorithm. > > arch/x86/lib/crypto/.gitignore is intentionally kept for now. See > https://lore.kernel.org/r/CAHk-=whu2fb22rEy6+oKx1-+NCHuWucZepvD0H2MD38DrJVKtg@mail.gmail.com/ > I'll remove it later after some time has passed. > After this change, arch/x86/lib/ has a lone empty directory crypto with the .gitignore file. Instead, would it be cleaner to get rid of the crypto directory altogether and update the .gitignore of the parent? As per the link above, commit 2df0c02dab82 ("x86 boot build: make git ignore stale 'tools' directory") says this: "So when removing directories that had special .gitignore patterns, make sure to add a new gitignore entry in the parent directory for the no longer existing subdirectory." With that change, Reviewed-by: Sohil Mehta > Signed-off-by: Eric Biggers