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From: Christoph Hellwig <hch@lst.de>
To: Ard Biesheuvel <ardb@kernel.org>
Cc: Christoph Hellwig <hch@lst.de>,
	Ard Biesheuvel <ardb+git@google.com>,
	linux-raid@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
	linux-crypto@vger.kernel.org,
	Russell King <linux@armlinux.org.uk>,
	Arnd Bergmann <arnd@arndb.de>, Eric Biggers <ebiggers@kernel.org>
Subject: Re: [PATCH 4/5] xor/arm64: Use shared NEON intrinsics implementation from 32-bit ARM
Date: Mon, 30 Mar 2026 15:02:17 +0200	[thread overview]
Message-ID: <20260330130217.GA32392@lst.de> (raw)
In-Reply-To: <6bedf98e-a424-4baa-890c-806345c067c1@app.fastmail.com>

On Mon, Mar 30, 2026 at 11:38:15AM +0200, Ard Biesheuvel wrote:
> > This avoid the including of .c files which is always a bit ugly.
> > But if there is a strong argument to prefer including of the .c file I
> > can live with that as well.
> >
> 
> I've respun it without the include. Instead, I've added this to arm/xor-neon.c
> 
> +#ifdef CONFIG_ARM64
> +extern typeof(__xor_neon_2) __xor_eor3_2 __alias(__xor_neon_2);
> +#endif
> 
> so that __xor_eor3_2() exists in the arm64 build as an alias. That way, the arm64-only EOR3 implementation can just remain a separate compilation unit.

Ok.



  reply	other threads:[~2026-03-30 13:02 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-03-27 11:30 [PATCH 0/5] xor/arm: Replace vectorized version with intrinsics Ard Biesheuvel
2026-03-27 11:30 ` [PATCH 1/5] ARM: Add a neon-intrinsics.h header like on arm64 Ard Biesheuvel
2026-03-27 11:30 ` [PATCH 2/5] crypto: aegis128 - Use neon-intrinsics.h on ARM too Ard Biesheuvel
2026-03-27 11:30 ` [PATCH 3/5] xor/arm: Replace vectorized implementation with arm64's intrinsics Ard Biesheuvel
2026-03-27 11:30 ` [PATCH 4/5] xor/arm64: Use shared NEON intrinsics implementation from 32-bit ARM Ard Biesheuvel
2026-03-27 13:50   ` Christoph Hellwig
2026-03-27 14:45     ` Ard Biesheuvel
2026-03-30  5:32       ` Christoph Hellwig
2026-03-30  9:38         ` Ard Biesheuvel
2026-03-30 13:02           ` Christoph Hellwig [this message]
2026-03-27 11:30 ` [PATCH 5/5] ARM: Remove hacked-up asm/types.h header Ard Biesheuvel

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