linux-kernel - Re: [PATCH] crypto: lib/Kconfig - fix chacha/poly1305 dependencies more more

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Message-ID: <20250225213344.GA23792@willie-the-truck>
Date: Tue, 25 Feb 2025 21:33:46 +0000
From: Will Deacon <will@...nel.org>
To: Arnd Bergmann <arnd@...nel.org>
Cc: Herbert Xu <herbert@...dor.apana.org.au>,
	"David S. Miller" <davem@...emloft.net>,
	Catalin Marinas <catalin.marinas@....com>,
	Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
	Harald Freudenberger <freude@...ux.ibm.com>,
	Holger Dengler <dengler@...ux.ibm.com>,
	Heiko Carstens <hca@...ux.ibm.com>,
	Vasily Gorbik <gor@...ux.ibm.com>,
	Alexander Gordeev <agordeev@...ux.ibm.com>,
	Arnd Bergmann <arnd@...db.de>,
	Christian Borntraeger <borntraeger@...ux.ibm.com>,
	Sven Schnelle <svens@...ux.ibm.com>,
	"Martin K. Petersen" <martin.petersen@...cle.com>,
	Ard Biesheuvel <ardb@...nel.org>,
	Eric Biggers <ebiggers@...gle.com>,
	James Bottomley <James.Bottomley@...senPartnership.com>,
	Jarkko Sakkinen <jarkko@...nel.org>, linux-crypto@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	linux-mips@...r.kernel.org, linux-s390@...r.kernel.org
Subject: Re: [PATCH] crypto: lib/Kconfig - fix chacha/poly1305 dependencies
 more more

On Tue, Feb 25, 2025 at 05:42:07PM +0100, Arnd Bergmann wrote:
> From: Arnd Bergmann <arnd@...db.de>
> 
> A recent change tries to fix Kconfig dependencies, but introduced
> two problems in the process:
> 
>  - only arm, powerpc and x86 are changed, while mips, arm64 and s390
>    are now broken
> 
>  - there are now configurations where the architecture enables its
>    own helper functions as loadable modules, but they remain silently
>    unused because CRYPTO_LIB_* falls back to the generic helpers
> 
> Address both by changing the logic again: the architecture functions
> select CRYPTO_ARCH_MAY_HAVE_LIB_CHACHA, which may be a loadable
> module or built-in, and this controls whether the library is
> also built-in.
> 
> Fixes: 04f9ccc955c7 ("crypto: lib/Kconfig - Fix lib built-in failure when arch is modular")

Which tree contains this change? I can't seem to resolve the SHA locally.

Will