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 A18BD197525; Thu, 6 Jun 2024 15:58:28 +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=1717689508; cv=none; b=JMgQk+DGkRKhHxiexEgyH6gwQ2nSHu98K/N57u5ukLKgr23noQ1tWhXov4y5cesfCvZXpYI5S6A762iPjlyHka2BIO7WOEHmOdnqnuOjYk/Yk8rs1QRVVlg1l6fxoyDOJtaKHvKryInuWGAUq3b1aRP9SY0q2+YpyxxY6bVOWAQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1717689508; c=relaxed/simple; bh=qwzd4wpBEJVdaLunxRBZ7Jd0JMtaaH6BRBPJ691w9i4=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=VEfQ8ppWh+p3gifPjr0RycF5vsvjcRQr5yusUd/Tb60KcUSPX3AwBHeY0RmmJAia7XxsJTM3LbYC9UylHzoEAlPlYd0Ifi5d6eGWjvjqS/h9Xd9ezIfvGzq1XfE7DaLZ1Ze5KOt4IPPTPZ/asGIVocwtHHUfJhZQxgZY/SH/NAA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=VpXT9UyT; 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="VpXT9UyT" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 45D69C32781; Thu, 6 Jun 2024 15:58:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1717689508; bh=qwzd4wpBEJVdaLunxRBZ7Jd0JMtaaH6BRBPJ691w9i4=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=VpXT9UyTkhAKsFvVBXFGXak386aXOYvUoED6KV5cMimr2ot4PeNI0WcC1cJ3ANlgL w+XFtrQUSY+GCQ2D2OkY8pZpVd6bBry4o9Tm3Vicg+Vlv28VT1FsIM52UQ3xY/UdVO vPdSKmZx/O+wg+cQEk/Aur6skHAuCW6wN8YTtI6DzRwL9ytlp8IpsTlh3oBDeTi4Bq zgayIik4sSgi1dSmiuECK58oACjmLOCmJVDb0376RwW8kkmhJeb/nLtNy8gTnad8LC fe42ICnpbDz+S45p5neTXtgE37+p/Hkc9XoCRjwclk6oAPEq4NW3Csq13lXKMBchDv 8F5R7zbtJLcAw== Date: Thu, 6 Jun 2024 08:58:27 -0700 From: Kees Cook To: KP Singh , paul@paul-moore.com Cc: linux-security-module@vger.kernel.org, bpf@vger.kernel.org, ast@kernel.org, casey@schaufler-ca.com, andrii@kernel.org, daniel@iogearbox.net, renauld@google.com, revest@chromium.org, song@kernel.org Subject: Re: [PATCH v12 0/5] Reduce overhead of LSMs with static calls Message-ID: <202406060856.95CBD48@keescook> References: <20240516003524.143243-1-kpsingh@kernel.org> Precedence: bulk X-Mailing-List: bpf@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20240516003524.143243-1-kpsingh@kernel.org> On Thu, May 16, 2024 at 02:35:19AM +0200, KP Singh wrote: > This series is a respin of the RFC proposed by Paul Renauld (renauld@google.com) > and Brendan Jackman (jackmanb@google.com) [1] > > # Performance improvement > > With this patch-set some syscalls with lots of LSM hooks in their path > benefitted at an average of ~3% and I/O and Pipe based system calls benefitting > the most. Hi Paul, With the merge window closed now, can we please land this in -next so we can get any glitches found/hammered out with maximal time before the next merge window? -Kees -- Kees Cook