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 4914F33CD0 for ; Tue, 30 Jan 2024 02:00:25 +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=1706580025; cv=none; b=DAGsuew1ziwtS/08XZ/YtAusfCynMbcp+vS8V9KYMtFZZGHygHs9iTWJSSu8ScpkWPHJTA0bSzlF8ElEMYOnAXsAh28sKmmPIbkAb9rOlZBdoBEsiaFNE67upcj4WiLJTZX5vymFA15iauKRXYWc1kMWwHWYHoDy9cQoRUDJ17c= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706580025; c=relaxed/simple; bh=l5cCnJcCPT/wcfjGnZ6Qyb3ayGyqxSOeKk+Bwlzc8pE=; h=Content-Type:MIME-Version:Subject:From:Message-Id:Date:References: In-Reply-To:To:Cc; b=f7HlOOluBmrU530aPNVq/EOCtXp0XCAIjkSQu+syaMxg5CSz1uM6BuXpHr4ygYrC3lxVYpz0/PxXoknmkGTYLTQ5AqfiiP4aKeJ+BX6WzcAPwHt1L4kt9PsDhWuwEM5r/kTQNRFe4tojRaVVt9HNCUH/JtYB4uzIVFDK/f37KG4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=Iy3vxZ56; 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="Iy3vxZ56" Received: by smtp.kernel.org (Postfix) with ESMTPS id C6B69C43390; Tue, 30 Jan 2024 02:00:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1706580024; bh=l5cCnJcCPT/wcfjGnZ6Qyb3ayGyqxSOeKk+Bwlzc8pE=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=Iy3vxZ56EfBXkjn+qNBfxq8J8FKl54dkVjNZMugTDUUN4sK4J6WGC5XXmZdZVzQ9u +UpIH6Jg4YqwvnaMG8w6PZAk7qV9ieh1GX8necUiyQNoTukjVv+EDZuC7Ygi+wASl9 IzlsNXD5/NPxGTpF/q9EChZPRGKfzK+I+pZB87mN3IJQpb9aELg5yyaXd4AafrGnmj gJJio/7I0ET15yyxAyqvaMIBhegR8+nOzUmdPCexaSOW4O8BJBCAnHOWenYscqB+h8 mjGSjgBNJUYvn6WIiDxZLmqeh67j/U5hhkyZCEZcM5yJi9NoBN7Y4LJG3urnSbiMa3 l0SxVrQM37BnA== Received: from aws-us-west-2-korg-oddjob-1.ci.codeaurora.org (localhost.localdomain [127.0.0.1]) by aws-us-west-2-korg-oddjob-1.ci.codeaurora.org (Postfix) with ESMTP id AF85BC43153; Tue, 30 Jan 2024 02:00:24 +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: generate const static pointers for kernel helpers From: patchwork-bot+netdevbpf@kernel.org Message-Id: <170658002471.10245.3725937330436462463.git-patchwork-notify@kernel.org> Date: Tue, 30 Jan 2024 02:00:24 +0000 References: <20240127185031.29854-1-jose.marchesi@oracle.com> In-Reply-To: <20240127185031.29854-1-jose.marchesi@oracle.com> To: Jose E. Marchesi Cc: bpf@vger.kernel.org, alexei.starovoitov@gmail.com, yonghong.song@linux.dev, eddyz87@gmail.com, cupertino.miranda@oracle.com, david.faust@oracle.com Hello: This patch was applied to bpf/bpf-next.git (master) by Andrii Nakryiko : On Sat, 27 Jan 2024 19:50:31 +0100 you wrote: > The generated bpf_helper_defs.h file currently contains definitions > like this for the kernel helpers, which are static objects: > > static void *(*bpf_map_lookup_elem)(void *map, const void *key) = (void *) 1; > > These work well in both clang and GCC because both compilers do > constant propagation with -O1 and higher optimization, resulting in > `call 1' BPF instructions being generated, which are calls to kernel > helpers. > > [...] Here is the summary with links: - bpf: generate const static pointers for kernel helpers https://git.kernel.org/bpf/bpf-next/c/ff2071a7b7fd You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html