linux-kernel - Re: [PATCH] RAS/AMD/ATL: Remove bitwise_xor

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Message-ID: <20251118123352.GJaRxnsHRC6KcbQanQ@fat_crate.local>
Date: Tue, 18 Nov 2025 13:33:52 +0100
From: Borislav Petkov <bp@...en8.de>
To: Nikolay Borisov <nik.borisov@...e.com>
Cc: Yazen.Ghannam@....com, linux-edac@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] RAS/AMD/ATL: Remove bitwise_xor_bits

On Thu, Nov 13, 2025 at 01:11:25PM +0200, Nikolay Borisov wrote:
> The name of the function is somewhat misleading, it's not just XORing
> bits, but is calculating the parity of the passed in value.

Huh?

It is bitwise XORing the bits. That just *happens* to be the same thing as
calculating the parity modulo 2.

Unless you wanna say something else here which I don't grok...

-- 
Regards/Gruss,
    Boris.

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