On Thu, Jun 18, 2020 at 11:52:55PM +0000, Derrick, Jonathan wrote: > Hi David, > > I've been experiencing a performance regression when running a parallel > compilation (eg, make -j72) on recent kernels. I bet you're using a version of make which predates 4.3: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=0ddad21d3e99c743a3aa473121dc5561679e26bb
