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Date: Fri, 27 Mar 2026 14:50:51 +0100
From: Christoph Hellwig <hch@lst.de>
To: Ard Biesheuvel <ardb+git@google.com>
Cc: linux-raid@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
	linux-crypto@vger.kernel.org, Ard Biesheuvel <ardb@kernel.org>,
	Christoph Hellwig <hch@lst.de>,
	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
Message-ID: <20260327135051.GA739@lst.de>
References: <20260327113047.4043492-7-ardb+git@google.com> <20260327113047.4043492-11-ardb+git@google.com>
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On Fri, Mar 27, 2026 at 12:30:52PM +0100, Ard Biesheuvel wrote:
> From: Ard Biesheuvel <ardb@kernel.org>
> 
> Tweak the arm64 code so that the pure NEON intrinsics implementation of
> XOR is shared between arm64 and ARM.

Instead of hiding the implementation in a header, just split xor-neon.c
into two .c files, one of which could be built by arm32 as well, probably
in the arm/ instead of the arm64/ subdirectory, but we can also add a
new arm-common one if that's what the arm maintainers prefer.