linux-kernel - Re: [RFC][PATCH 03/12] cyrpto/b128ops: Remove struct u128

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Message-ID: <Y6FNgNQ8/I9uqYwc@sol.localdomain>
Date:   Mon, 19 Dec 2022 21:52:00 -0800
From:   Eric Biggers <ebiggers@...nel.org>
To:     Peter Zijlstra <peterz@...radead.org>
Cc:     torvalds@...ux-foundation.org, corbet@....net, will@...nel.org,
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Subject: Re: [RFC][PATCH 03/12] cyrpto/b128ops: Remove struct u128

On Mon, Dec 19, 2022 at 04:35:28PM +0100, Peter Zijlstra wrote:
> cyrpto/b128ops: Remove struct u128

cyrpto => crypto

> Per git-grep u128_xor() and its related struct u128 are unused except
> to implement {be,le}128_xor(). Remove them to free up the namespace.

There's still a reference to u128 in drivers/crypto/vmx/ghash.c.  But, it's only
dereferenced by assembly code, so it should keep working even if u128 gets
redefined to a native int.  I don't speak PowerPC, so I'm not sure what the
"correct" type is there.

- Eric