I wouldn't take the message too seriously, just Google it: https://www.google.com/search?q=%22uses+deprecated+CP15+Barrier+instruction%22&ie=utf-8&oe=utf-8
On 7/5/17, Vagrant Cascadian <[email protected]> wrote: > Some of the reproducible builds armhf nodes are actually arm64 capable > machines, running an arm64 kernel build. When haskell related packages > get built, I get a tremendous number of messages on to the console: > > "ghc" (13126) uses deprecated CP15 Barrier instruction at 0xefadd224 > > In the kernel's boot/config-*: > > CONFIG_CP15_BARRIER_EMULATION=y > > Does this emulation take a considerable performance hit, as opposed to > running on armhf hardware/kernel, where the instruction doesn't appear > to be listed as deprecated? > > Several of the arm64 machines with armhf userland machines seem to > perform very poorly... I was wondering if this might somehow be part of > the issue. > > > live well, > vagrant > -- ------------- No, I won't call it "climate change", do you have a "reality problem"? - AB1JX Impeach Impeach Impeach Impeach Impeach Impeach Impeach Impeach
