From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=100.103.45.18 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1794187619; b=d1XK2Ge8d21A4/IIQBB23hBIyggPrvo+7/eSuWTTaYZTZgR9fh53UfvjUIT6axIlVyjK 1VcLRizMgAZvHH3dPUqFZvu/BgLFNR7dVfPPUheLYVfRONcrDDkA9ztx2PcPNAbmADpgz kh45whOAe1HgQ6rvj5CDxZJE6tDMhmDZg8wrWUe9e0EkLt1nGvAg3bhZneUxbiLUt4+PW dkrovTEQxVEzcGygBVQcg8HEdS8cZloS65v7+LKWxN76pdiMWzkmX+4MCEtmR4noq60sh /M81QEpQh1jETSEi2dmH967L7Mk69pMaTG3kF/X/2DKDyT3qYEBWMFU14hFKKIVITHg== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1794187619; h=Received:DKIM-Signature:Received:Content-Type:MIME-Version: Content-Transfer-Encoding:Subject:From:Message-Id:Date:References: In-Reply-To:To:Cc; bh=iJgvv+vbSYiKu9D2Sb1AjohexiXFRe2YpdqwQmcxyao=; b=x24ETJlSuRN3UZNVj9UfZUaVcC29ZxTo7csAE6GCTCSf/1StRowD5f8qyYJDjmwgdO28 4+Kryf8r7Xb5LHTQG0Bf+DiUmNZHEES3lsDZ4qW4dOLx5/MmWPrEFWkWLVN+iGgGKdYjz zp4s69VQF2QgwJMcPrvApUNONqZNBvq/VzCc6sSPTqpXFIiiMG0KeGMOS8SKa+3x6xR36 uqpjPf2yNs7dCEMshQM5nsAiiAoChHOJnxt6wvwLg+lyVDde2qip/JwkI9qs7jHByBADa ct8azuh9Vh9k4Eaq+1S7piAmIaerMkfvalxivoukwT+HGQdse/10buKmIBgZaLFz9CA== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=mwbMlECO; arc=none smtp.remote-ip=100.103.45.18 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 5F4AA606A31C for ; Mon, 9 Nov 2026 01:26:59 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key, unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=mwbMlECO Received: by smtp.kernel.org (Postfix) with ESMTPSA id E72AD1F0089F; Mon, 9 Nov 2026 01:26:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1794187619; bh=iJgvv+vbSYiKu9D2Sb1AjohexiXFRe2YpdqwQmcxyao=; h=Subject:From:Date:References:In-Reply-To:To:Cc; b=mwbMlECOCwvPNctzvbuoUlwitEeAMWfhOZADaBNweGXv7OrDAt6iFfEWvvuj5Dt1u ju3mQL2AmT2qizNqgvVvCSgyXXNQ2A1I25U7zxzq4OnxVcvkhsxbdGv9MJL7g9XM/n RYClXqFqsgsIYVpmyPC/0CoV8IDgqTJBwcTq0SRNGblqfu/efBn7IYdBZXWbiE3i/u Xhmoo2l7B+ZvwMBUST6HZWQ5Vmc2ZNhxfCcuBUSWGTGwUE9n9Ol2a1M8rggYKAj8p7 zDN/Luqf3UMigGpogNLjcmM+8xPatWgq1mO+epTF/vcglC4Y8lLjk5tC15FmR+vUN6 epPk0Ok8+Xp/w== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id D82B4380821F; Mon, 9 Nov 2026 01:26:58 +0000 (UTC) Content-Type: text/plain; charset="utf-8" X-Mailing-List: bpf@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH bpf-next v3 00/24] bpf: Various arm64 BPF JIT improvements From: patchwork-bot+netdevbpf@kernel.org Message-Id: <179418761741.1922711.9741403372080027028.git-patchwork-notify@kernel.org> Date: Mon, 09 Nov 2026 01:26:57 +0000 References: In-Reply-To: To: Daniel Borkmann Cc: ast@kernel.org, puranjay@kernel.org, memxor@gmail.com, xukuohai@huaweicloud.com, bpf@vger.kernel.org Hello: This series was applied to bpf/bpf-next.git (master) by Alexei Starovoitov : On Sun, 8 Nov 2026 20:26:26 +0100 you wrote: > This series changes the arm64 BPF JIT to emit shorter and faster native > code for the instruction patterns that LLVM-compiled programs hit in the > real world. Every change stays within the lowering of a single BPF > instruction. This is a similar effort as done recently for x86-64 BPF > JIT [0]. > > On arm64 under vmtest.sh (qemu TCG), test_verifier, test_maps, jit_insns > and jit_insns_blinded pass in full, and test_progs and its cpuv4 and > no_alu32 flavors only fail tests that fail without the series as well > or only under TCG. The encodings were checked against Arm's machine-readable > A64 ISA XML: every A64_* macro and directly called encoder, run with > boundary and invalid operands (39028 cases), gives the encoding and > fields the Arm ARM expects or AARCH64_BREAK_FAULT for what it cannot > encode. > > [...] Here is the summary with links: - [bpf-next,v3,01/24] bpf, arm64: Remove unused A64_BL, A64_BTI_C and A64_LDR32LIT https://git.kernel.org/bpf/bpf-next/c/0931830cc312 - [bpf-next,v3,02/24] bpf, arm64: Free the offset table of a subprog in bpf_jit_free https://git.kernel.org/bpf/bpf-next/c/0ff09166d3d2 - [bpf-next,v3,03/24] bpf, arm64: Free the private stack when a pass over the image fails https://git.kernel.org/bpf/bpf-next/c/346ea1557fd7 - [bpf-next,v3,04/24] bpf, arm64: Emit ISB SY in the speculation barriers https://git.kernel.org/bpf/bpf-next/c/6a5b148dac53 - [bpf-next,v3,05/24] arm64, insn: Reject sign extending loads of 64 bits https://git.kernel.org/bpf/bpf-next/c/182afb043e7e - [bpf-next,v3,06/24] bpf, arm64: Keep the ll/sc atomics address apart from the old value https://git.kernel.org/bpf/bpf-next/c/207aac32085d - [bpf-next,v3,07/24] bpf, arm64: Measure backward branches from the branch itself https://git.kernel.org/bpf/bpf-next/c/1963ac21c7c2 - [bpf-next,v3,08/24] arm64, insn: Reject invalid and unpredictable operands in the encoders https://git.kernel.org/bpf/bpf-next/c/d860f6254d60 - [bpf-next,v3,09/24] bpf, arm64: Widen the branch offsets before scaling them to bytes https://git.kernel.org/bpf/bpf-next/c/592f36e960d0 - [bpf-next,v3,10/24] arm64, insn: Add the LDUR/STUR and TBZ/TBNZ encodings https://git.kernel.org/bpf/bpf-next/c/1fdba03c72cb - [bpf-next,v3,11/24] bpf: Divide by constants via uhmul and shmul in the verifier https://git.kernel.org/bpf/bpf-next/c/ffebe8b3e369 - [bpf-next,v3,12/24] bpf, arm64: Consolidate the load and store emission into a helper https://git.kernel.org/bpf/bpf-next/c/1bb1bc5be527 - [bpf-next,v3,13/24] bpf, arm64: Use the unscaled forms for negative and unaligned offsets https://git.kernel.org/bpf/bpf-next/c/6b3c7bde476f - [bpf-next,v3,14/24] bpf, arm64: Store zero immediates from the zero register https://git.kernel.org/bpf/bpf-next/c/e4939b2a54b9 - [bpf-next,v3,15/24] bpf, arm64: Zero extend the arena offset in register offset accesses https://git.kernel.org/bpf/bpf-next/c/07d4e6947e37 - [bpf-next,v3,16/24] bpf, arm64: Adjust compares with unencodable immediates by one https://git.kernel.org/bpf/bpf-next/c/a33de9a3bba3 - [bpf-next,v3,17/24] bpf, arm64: Materialize immediates with fewer instructions https://git.kernel.org/bpf/bpf-next/c/e79c67bce1a2 - [bpf-next,v3,18/24] bpf, arm64: Shorten the tail call sequence https://git.kernel.org/bpf/bpf-next/c/7dd5500c2c4f - [bpf-next,v3,19/24] bpf, arm64: Use mov or mvn for AND, OR and XOR with all ones https://git.kernel.org/bpf/bpf-next/c/4835c45b11d2 - [bpf-next,v3,20/24] bpf, arm64: Use cbz, cbnz, tbz and tbnz for zero, sign and bit tests https://git.kernel.org/bpf/bpf-next/c/abf5971d572c - [bpf-next,v3,21/24] bpf, arm64: Multiply by constants with shifts, adds and subs https://git.kernel.org/bpf/bpf-next/c/c9c277f5e08f - [bpf-next,v3,22/24] selftests/bpf: Let the arm64 private stack check skip the BTI pad https://git.kernel.org/bpf/bpf-next/c/75e665d4892b - [bpf-next,v3,23/24] selftests/bpf: Test the verifier's division by constants https://git.kernel.org/bpf/bpf-next/c/099c2e03f9a0 - [bpf-next,v3,24/24] selftests/bpf: Extend the JIT instruction tests for arm64 encodings https://git.kernel.org/bpf/bpf-next/c/a9fee553d3db You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html