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Re: [PATCH 09/12] RISC-V: Atomic and Locking Routines
On Fri, 23 Jun 2017, Torvald Riegel wrote:
> Thanks for providing some background. However, elsewhere in the thread
> for the whole patch set, you seemed to say that you'll only officially
> support target configurations that do have atomics (IIRC, that was a
> discussion with Joseph about the target triples). These officially
> supported ones are the configurations we'll test with
> build-many-glibcs.py. I think that it would be better to only have code
> in master that will be compiled by some build through
> build-many-glibcs.py (ie, that there's no dead code from that build
> coverage perspective).
I'm pretty sure lots of existing glibc architectures have code that's not
covered by build-many-glibcs.py at present, even if there are
configurations that could be added (e.g. building for another CPU variant)
that would cover building that code. That doesn't mean it's a good thing
- more configurations to cover such code would be a good idea - but the
present minimum for build-many-glibcs.py coverage is that at least each
different ABI supported by glibcs is covered.
Joseph S. Myers