From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id C3E23288525 for ; Sat, 26 Jul 2025 19:29:53 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1753558193; cv=none; b=O1nFS/XrkQQnP2mYLAnIddpZlpaU1vk7JrOc3NQ6oVAzPmn5ZuyfhEJfwR4dRZREjMQcnHIHd/CJ/Lowlsiolt5us+0emcrJTQFBaYnufo/ISoRhzKFX8YVRnoWDBFaFqWnyZ7+eB1LRmH+X3YagpfNST+PWkbYQSYTAJzGiaxU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1753558193; c=relaxed/simple; bh=x14oK8XD0Bcqdszl2Pwmn4QVSNyPmPDigIMZEMDPrr4=; h=Content-Type:MIME-Version:Subject:From:Message-Id:Date:References: In-Reply-To:To:Cc; b=lSPcczrxemHeD6IK4bLcjYOLyuRMgNSMQhTGjdoTWoV0m1g3A7zvnIrViq8SCZCyf8wzp280mGP5zPWV4KgTut/54psdF0leCT+Dts7qLmsx3T0NHmyn8RnUOAjveMbvvOez7mfAbBlIGBPkuNxN4wEoB9WJAEt7TA7iCsfeKkk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=UzZOMhvj; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="UzZOMhvj" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 420FFC4CEED; Sat, 26 Jul 2025 19:29:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1753558193; bh=x14oK8XD0Bcqdszl2Pwmn4QVSNyPmPDigIMZEMDPrr4=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=UzZOMhvjXIiH/jQUVlXtqxVXGwy9f/2dICBsVELAU+ynVYSVEypzSdrDKuVjLTiKA FWExspOeAXDcLIX5uI0xAaw/gcX528D9ba4o7QsHNGEpxQHdX1XefyO7oWg6vxKTwP kby+dVH5uA2j6q13Xpv2Ajaqu4oFjoyaDGXhVQrr0aME+vpOnzyiHtIzCjk9zRYnUZ NUFOuEwZXXBR6r7O209VG2pkMIXnMc6Zj7wxDHqh8X4OmCbEV6s+uMIz/n7+zKcebt hahfSYliflaQlLcszF0GSyOlRXO2J0dewQFCEuOFnYnvRj+weEKkl9BezpuSk+3/Rd YDUofmog5YR5A== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id ADBF1383BF4E; Sat, 26 Jul 2025 19:30:11 +0000 (UTC) Content-Type: text/plain; charset="utf-8" Precedence: bulk X-Mailing-List: bpf@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH bpf-next 0/1] bpf, arm64: fix fp initialization for exception boundary From: patchwork-bot+netdevbpf@kernel.org Message-Id: <175355821051.3674813.11697788265095490964.git-patchwork-notify@kernel.org> Date: Sat, 26 Jul 2025 19:30:10 +0000 References: <20250722133410.54161-1-puranjay@kernel.org> In-Reply-To: <20250722133410.54161-1-puranjay@kernel.org> To: Puranjay Mohan Cc: ast@kernel.org, daniel@iogearbox.net, andrii@kernel.org, martin.lau@linux.dev, eddyz87@gmail.com, song@kernel.org, yonghong.song@linux.dev, john.fastabend@gmail.com, kpsingh@kernel.org, sdf@fomichev.me, haoluo@google.com, jolsa@kernel.org, xukuohai@huaweicloud.com, catalin.marinas@arm.com, will@kernel.org, bpf@vger.kernel.org Hello: This patch was applied to bpf/bpf-next.git (master) by Daniel Borkmann : On Tue, 22 Jul 2025 13:34:08 +0000 you wrote: > In the ARM64 BPF JIT when prog->aux->exception_boundary is set for a BPF > program, find_used_callee_regs() is not called because for a program acting > as exception boundary, all callee saved registers are saved. > find_used_callee_regs() sets `ctx->fp_used = true;` when it sees FP being > used in any of the instructions. > For programs acting as exception boundary, ctx->fp_used always remains > false and therefore, BPF frame pointer is never set-up for such programs in > the prologue. > > [...] Here is the summary with links: - [bpf-next,1/1] bpf, arm64: fix fp initialization for exception boundary https://git.kernel.org/bpf/bpf-next/c/b114fcee766d You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html