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From: Marc Zyngier <maz@kernel.org>
To: Will Deacon <will@kernel.org>
Cc: linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org, Arnd Bergmann <arnd@arndb.de>,
	Ard Biesheuvel <ardb@kernel.org>,
	Eric Biggers <ebiggers@kernel.org>,
	Daniel Borkmann <daniel@iogearbox.net>,
	Catalin Marinas <catalin.marinas@arm.com>,
	Alexei Starovoitov <ast@kernel.org>,
	Oliver Upton <oupton@kernel.org>,
	Herbert Xu <herbert@gondor.apana.org.au>
Subject: Re: [PATCH 00/12] arm64: Remove unused big-endian support
Date: Tue, 11 Aug 2026 15:54:59 +0100	[thread overview]
Message-ID: <86ldac1zcs.wl-maz@kernel.org> (raw)
In-Reply-To: <20260811140132.22778-1-will@kernel.org>

On Tue, 11 Aug 2026 15:01:19 +0100,
Will Deacon <will@kernel.org> wrote:
> 
> Hi folks,
> 
> Big-endian support on arm64 (CONFIG_CPU_BIG_ENDIAN) has depended on
> BROKEN since 1cf89b6bf660 ("arm64: Kconfig: Make CPU_BIG_ENDIAN depend
> on BROKEN") and has already seen some clean-up patches removing some of
> the unused support code (e.g. 5276ea17a23c ("lib/crc: arm64: Assume a
> little-endian kernel")).
> 
> Finish the job, and remove the remaining big-endian support code from
> arm64. Note that the SETEND emulation for 32-bit tasks remains and so
> some of the mixed-endian EL0 helpers are retained.
> 
> I've broken this down into fairly coarse chunks, as it seemed a lot
> easier to manage than one giant patch (even with the Kconfig being
> effectively disabled already) and not all of it is just mindless
> deletion. Despite that, I'm anticipating the whole thing going via the
> arm64 tree.

FWIW:

Acked-by: Marc Zyngier <maz@kernel.org>

	M.

-- 
Without deviation from the norm, progress is not possible.

  parent reply	other threads:[~2026-08-11 14:55 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-08-11 14:01 [PATCH 00/12] arm64: Remove unused big-endian support Will Deacon
2026-08-11 14:01 ` [PATCH 01/12] selftests/arm64: Remove " Will Deacon
2026-08-11 14:01 ` [PATCH 02/12] arm64: bpf: Remove big-endian support from the JIT compiler Will Deacon
2026-08-11 14:01 ` [PATCH 03/12] arm64: crypto: Assume a little-endian kernel Will Deacon
2026-08-11 14:01 ` [PATCH 04/12] arm64: lib: Assume a little-endian kernel in custom library routines Will Deacon
2026-08-11 14:01 ` [PATCH 05/12] arm64: lib: Assume a little-endian kernel in optimised string routines Will Deacon
2026-08-11 14:01 ` [PATCH 06/12] arm64: assembler: Remove endianness helper macros Will Deacon
2026-08-11 15:04   ` Ard Biesheuvel
2026-08-11 14:01 ` [PATCH 07/12] arm64: vdso32: Always build compat vDSO object as little-endian Will Deacon
2026-08-11 14:01 ` [PATCH 08/12] KVM: arm64: Remove support for a big-endian hypervisor object Will Deacon
2026-08-11 14:01 ` [PATCH 09/12] arm64: Remove all usage of CONFIG_CPU_BIG_ENDIAN Will Deacon
2026-08-11 14:49   ` Marc Zyngier
2026-08-11 14:01 ` [PATCH 10/12] arm64: Remove all usage of __AARCH64EB__ Will Deacon
2026-08-11 14:01 ` [PATCH 11/12] arm64: image: Remove endianness handling for generating image header Will Deacon
2026-08-11 14:01 ` [PATCH 12/12] arm64: Kbuild: Remove vestigial big-endian support Will Deacon
2026-08-11 14:54 ` Marc Zyngier [this message]
2026-08-11 15:11 ` [PATCH 00/12] arm64: Remove unused " Arnd Bergmann
2026-08-11 15:43 ` Catalin Marinas

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