linux-kernel - Re: [PATCH v2 09/12] lib/crc/s390: migrate s390-optimized CRC code into lib/crc/

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Message-ID: <aExLZaoBCg55rZWJ@li-008a6a4c-3549-11b2-a85c-c5cc2836eea2.ibm.com>
Date: Fri, 13 Jun 2025 18:01:41 +0200
From: Alexander Gordeev <agordeev@...ux.ibm.com>
To: Eric Biggers <ebiggers@...nel.org>
Cc: linux-kernel@...r.kernel.org, linux-crypto@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, loongarch@...ts.linux.dev,
        linux-mips@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
        linux-riscv@...ts.infradead.org, linux-s390@...r.kernel.org,
        sparclinux@...r.kernel.org, x86@...nel.org, linux-arch@...r.kernel.org,
        Ard Biesheuvel <ardb@...nel.org>,
        "Jason A . Donenfeld" <Jason@...c4.com>,
        Linus Torvalds <torvalds@...ux-foundation.org>
Subject: Re: [PATCH v2 09/12] lib/crc/s390: migrate s390-optimized CRC code
 into lib/crc/

On Sat, Jun 07, 2025 at 01:04:51PM -0700, Eric Biggers wrote:
> From: Eric Biggers <ebiggers@...gle.com>
> 
> Move the s390-optimized CRC code from arch/s390/lib/crc* into its new
> location in lib/crc/s390/, and wire it up in the new way.  This new way
> of organizing the CRC code eliminates the need to artificially split the
> code for each CRC variant into separate arch and generic modules,
> enabling better inlining and dead code elimination.  For more details,
> see "lib/crc: prepare for arch-optimized code in subdirs of lib/crc/".
> 
> Signed-off-by: Eric Biggers <ebiggers@...gle.com>
...

Hi Eric,

With this series I am getting on s390:

alg: hash: skipping comparison tests for crc32c-s390 because crc32c-generic is unavailable

Thanks!