+CC Noam On Wednesday 03 February 2016 09:50 PM, Alexey Brodkin wrote: >> I agree with the current solution to add -atomic to for arc700 builds. >> > Although making that default for arc700 tools will be better but that will not fix >> > things before next release of tools etc. >> > >> > But we *do* need to improve generic solution >> > 1. Add atomics detection in perf to add fall back arch stubs >> > 2. ARC needs to add syscall for facilitating atomic r-m-w ! > So the most recent ARC GNU tools (2015.12) were just released yesterday > and still atomics are disabled by default for ARCv1. > That means perf will continue to fail on building for now. > > Do you think we may apply my initial fix to 4.5 while it is in development and > then to stable trees as well? Noam, what's the atomic story for EZChip. Do you support such things for user space in GNU tools. If -atomic is added to perf user space builds are you guys OK! -Vineet