Date: Tue, 17 Nov 2020 10:52:42 -0500 From: Rich Felker <dalias@...c.org> To: musl@...ts.openwall.com Subject: Re: musl CI? On Tue, Nov 17, 2020 at 02:52:13PM +0800, Ruinland ChuanTzu Tsai wrote: > Hi all, > > Glad to know there are discussions about CI. > Sorry that I couldn't find the IRC log and thus I might be saying some- > thing which had already been disccussed. > > Though might be irrevalent, I'm wondering which platforms are the > "golden standard" for such CI to run against for each musl supported > architecture ? > > My rough hunch is something like : latest LTS Linux kernel > (which is 5.4 for now) running on QEMU "virt machine" with full-system > emulation or qemu-user ? This is a really good question. I might lean towards newer (latest stable) and older to catch breakage from use of newly added syscalls or broken fallback on much older kernels. > The reason why I prefer running testsuite under a fully-emulated Linux > instead of qemu-user is that I don't have too much faith on its syscall > -translation and signal-handling mechanism to work out perfectly when > the guest and host architecture are heterogeneous. > (This is just my prejudice, please correct me if I worry too much.) Same. qemu-user is not really good as anything beyond a smoke test; it has too many false positives and negatives from broken emulation. Rich
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