[pve-devel] ZFS 0.8 and __kernel_fpu_{begin,restore} symbols

[Dietmar Maurer]

> > I have seen zfs 0.8 has been merged in to the pve kernel master branch
> > including the update to Kernel 5.0.8 for buster.
> > 
> > Does the Ubuntu/PVE kernel export the __kernel_fpu symbols?
> > I ask because I didn't found a patch for this and it would be painful if
> > we have zfs with crypto without good performance.
> > 
> > The patch used by NixOS https://github.com/NixOS/nixpkgs/pull/61076
> > mentions a throughput drop of 1GB/s (200 instead of 1.2 GB/s) without
> > the exported symbols.
> 
> No. I guess this would be a kernel license violation ...

Oh, maybe not - we will take a closer look at that.