linux-kernel - Re: [GIT PULL] CRC updates for 6.14

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Message-ID: <CAHk-=wgmda2CvAiOrg+zznFroPTo2TrdjnHo9f4_Kv1Pwn5iOA@mail.gmail.com>
Date: Thu, 23 Jan 2025 13:16:57 -0800
From: Linus Torvalds <torvalds@...ux-foundation.org>
To: Eric Biggers <ebiggers@...nel.org>
Cc: "Theodore Ts'o" <tytso@....edu>, linux-crypto@...r.kernel.org, 
	linux-kernel@...r.kernel.org, Ard Biesheuvel <ardb@...nel.org>, Chao Yu <chao@...nel.org>, 
	"Darrick J. Wong" <djwong@...nel.org>, Geert Uytterhoeven <geert@...ux-m68k.org>, 
	Kent Overstreet <kent.overstreet@...ux.dev>, 
	"Martin K. Petersen" <martin.petersen@...cle.com>, Michael Ellerman <mpe@...erman.id.au>, 
	Vinicius Peixoto <vpeixoto@...amp.dev>, 
	WangYuli <wangyuli@...sls0nwwnnilyahiblcmlmlcaoki5s.yundunwaf1.com>
Subject: Re: [GIT PULL] CRC updates for 6.14

On Thu, 23 Jan 2025 at 13:13, Eric Biggers <ebiggers@...nel.org> wrote:
>
> x86 unfortunately only has an instruction for crc32c

Yeah, but isn't that like 90% of the uses?

IOW, if you'd make the "select" statements a bit more specific, and
make ext4 (and others) do "select CRC32C" instead, the other ones
wouldn't even get selected?

              Linus