From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 6F57C39FD5 for ; Tue, 9 Jan 2024 15:26:47 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=bombadil.srs.infradead.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="rp35JrSc" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; h=In-Reply-To:Content-Type:MIME-Version :References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=zTqIpFvqZDLD2t13ZwguVPUzOc8nsxZ9Gap2elMEjxA=; b=rp35JrScp4GBOEHORdKuwLQ9Oq IA/3JcvGr8bQpPvwyFDVCGUGqBAoYahuWqq1aML2CRLCPp4xtPCiAtlb8yk2tE45nYIJekzyuDdYZ BpsorJ32HVL41tbMF5ZbNn49r3MrDqo5CA9LL0dtgPuMXXf2Pz2vAR1cs6U+0UtrOpdF+GNI/wbrC 0klkGwtC3E3Mx2hORMf3C95pVGlaHrIg9wFHpIGCpjSeCMTDRag9bZee3T7T+51yJMcTvvtHR1qti /dGOKbFWguGFOl2tvTJuc909RaxsTuG9m6VVcRkZWn99j06QQgn+FMf7r/C5MAheEr/Nnx7sAxArL vv4A2KCw==; Received: from hch by bombadil.infradead.org with local (Exim 4.96 #2 (Red Hat Linux)) id 1rNE03-008fjT-2x; Tue, 09 Jan 2024 15:26:43 +0000 Date: Tue, 9 Jan 2024 07:26:43 -0800 From: Christoph Hellwig To: Alexei Starovoitov Cc: Christoph Hellwig , David Vernet , Dave Thaler , bpf@ietf.org, bpf , Jakub Kicinski Subject: Re: [Bpf] BPF ISA conformance groups Message-ID: References: <20231214174437.GA2853@maniforge> <09dc01da32a6$99c97e50$cd5c7af0$@gmail.com> <20240105220711.GA1001999@maniforge> 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: X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html On Mon, Jan 08, 2024 at 01:51:21PM -0800, Alexei Starovoitov wrote: > Here is how I was thinking about the grouping: > 32-bit set: all 32-bit instructions those with BPF_ALU and BPF_JMP32 > and load/store. > > 64-bit set: above plus BPF_ALU64 and BPF_JMP. Sound good, modulo the sets beeing exclusive or includig others, but that's really a semantic thing for the standard and doesn't have an affect on the implementations.