> On 1/30/23 6:47 PM, Jose E. Marchesi wrote: >> Hello. >> We would like to suggest to the LSF/MM/BPF organization to have a >> working session on "compiled BPF", i.e. on the part of BPF that involves >> compilers and linkers. This mainly involves the two mainstream >> compilers that target BPF: clang and GCC, but other BPF toolchains are >> slowly appearing (like the Rust compiler) and that makes it even more >> important to consolidate compiled BPF. >> Examples of topics to cover are the covergence of the support in >> both >> clang/llvm and GCC, several aspects of the ABI that need to be >> discussed/clarified/decided in order to avoid undefined compiler >> behavior and divergences, issues related to the BPF standarization, and >> suggestions on how to lift some of the existing limitations impacting >> BPF C programs. >> The goal is to reach agreements about particular things, document >> the >> agreements, stick to them, and a clear plan to implement whatever is >> needed in the respective compilers/tools. >> Potential participants in case the activity takes place: >> - Both David Faust (GNU toolchain, BPF port hacker) and myself (GNU >> toolchain, BPF port maintainer) are willing to attend the event, >> prepare discussion material, organize and participate in the >> discussions. >> - Nick Desaulniers (LLVM maintainer) is also interested in attending >> and >> participating, provided other compromises he has in May don't get in >> the way. > > Plus Yonghong Song with regards to LLVM BPF backend. Indeed, it would make very little sense for the whole thing to happen without him. I just didn't want to speak for him (I consulted with both David and Nick before sending the proposal) ;) > >> - More? (Please add yourself to this list by replying to this email in >> case you are interested.) >> Would the BPF community and the LSF/MM/BPF organization be >> interested in >> having such an activity? > > Yes, we can definitely add this to the agenda for the BPF track. This sounds > very reasonable to me! > > Thanks Jose! Awesome :) Thanks to you!
