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[2620:137:e000::1:20]) by mx.google.com with ESMTP id u16-20020a170902e81000b001a94b91f402si3333003plg.218.2023.06.20.17.10.42; Tue, 20 Jun 2023 17:10:54 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=UVDlDRZg; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229935AbjFTXko (ORCPT + 99 others); Tue, 20 Jun 2023 19:40:44 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34486 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229478AbjFTXki (ORCPT ); Tue, 20 Jun 2023 19:40:38 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7896D1712 for ; Tue, 20 Jun 2023 16:40:33 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id CE1F161326 for ; Tue, 20 Jun 2023 23:40:32 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPS id 2E8A2C433C0; Tue, 20 Jun 2023 23:40:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1687304432; bh=MzePdahtLZw6+jL8v2zldGkseoJjdfgMR1ZbnZIcMew=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=UVDlDRZgv9sXJbrpBdjjsfOwRl9EHMmr2QlzkgQ1EwEMc9xE2g/tLx1PxvcoLQkEG P5lYo26BBy7MOElPW+yibJpNYyTLCYFf1HCaHdzB3tskU3JfWD/WIVbuWo56LugKpk 28wxxPQNRm2lDQgl2fYIUkUqPTd14rG/FrdZDGcKl0b0vhFK4nS6PPZQOgTGECnMJ0 6TuXbGG+HaIZXpL2uCgsPxfdRZViB8z/VVc/adtN9D52kvTr/ct6L14F3Dxd/gBgjN cqU2c5e5fG6PCsUEVauXwPnchX2QRcTGVecI5rACO3EZwJaUb9d0PyqaE/nB4APJ94 uqsGsya/7doYw== 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 116EBE21EDB; Tue, 20 Jun 2023 23:40:32 +0000 (UTC) Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH bpf-next v3 0/3] bpf, arm64: use BPF prog pack allocator in BPF JIT From: patchwork-bot+netdevbpf@kernel.org Message-Id: <168730443206.21092.6381881646118757164.git-patchwork-notify@kernel.org> Date: Tue, 20 Jun 2023 23:40:32 +0000 References: <20230619100121.27534-1-puranjay12@gmail.com> In-Reply-To: <20230619100121.27534-1-puranjay12@gmail.com> To: Puranjay Mohan Cc: ast@kernel.org, daniel@iogearbox.net, andrii@kernel.org, martin.lau@linux.dev, song@kernel.org, catalin.marinas@arm.com, mark.rutland@arm.com, bpf@vger.kernel.org, kpsingh@kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org X-Spam-Status: No, score=-4.4 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_MED, SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello: This series was applied to bpf/bpf-next.git (master) by Alexei Starovoitov : On Mon, 19 Jun 2023 10:01:18 +0000 you wrote: > BPF programs currently consume a page each on ARM64. For systems with many BPF > programs, this adds significant pressure to instruction TLB. High iTLB pressure > usually causes slow down for the whole system. > > Song Liu introduced the BPF prog pack allocator[1] to mitigate the above issue. > It packs multiple BPF programs into a single huge page. It is currently only > enabled for the x86_64 BPF JIT. > > [...] Here is the summary with links: - [bpf-next,v3,1/3] bpf: make bpf_prog_pack allocator portable https://git.kernel.org/bpf/bpf-next/c/9a44df2a4f2a - [bpf-next,v3,2/3] arm64: patching: Add aarch64_insn_copy() https://git.kernel.org/bpf/bpf-next/c/a7ed8ed92482 - [bpf-next,v3,3/3] bpf, arm64: use bpf_jit_binary_pack_alloc https://git.kernel.org/bpf/bpf-next/c/49703aa2adfa You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html