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[67.170.74.237]) by smtp.gmail.com with ESMTPSA id e20-20020a9d5614000000b006dbaf72af27sm369199oti.1.2024.02.06.09.14.22 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Tue, 06 Feb 2024 09:14:22 -0800 (PST) From: dthaler1968@googlemail.com X-Google-Original-From: To: Cc: References: <0dd401da591f$a7d826f0$f78874d0$@gmail.com> In-Reply-To: <0dd401da591f$a7d826f0$f78874d0$@gmail.com> Subject: [LSF/MM/BPF TOPIC] Cross-platform BPF compiler issues Date: Tue, 6 Feb 2024 09:14:21 -0800 Message-ID: <0de301da591f$ed978780$c8c69680$@gmail.com> Precedence: bulk X-Mailing-List: bpf@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable X-Mailer: Microsoft Outlook 16.0 Thread-Index: AQIKzWl5LoyZhdxE1IDGbo2Z6oQybrCcpO5w Content-Language: en-us There are various BPF runtimes, including the Linux kernel, eBPF for Windows, offload cards such as Netronome=92s, etc. Each runtime may support a different set of ISA conformance groups, and there are also different verifiers that may be affected by various optimizations introduced by a = compiler.=A0 This topic is to discuss some issues observed with using common compilers to compile code for multiple runtimes. Dave