tree 2acb5d673c78845e85abefed1118d98477d82e7c
parent a037c73ccfc7c35a389e95ffa7996c8dd38e0cde
author Michael Hudson-Doyle <michael.hudson@canonical.com> 1459986452 +1200
committer Michael Hudson-Doyle <michael.hudson@canonical.com> 1459987885 +0000

runtime: clamp OS-reported number of processors to _MaxGomaxprocs

So that all Go processes do not die on startup on a system with >256 CPUs.

I tested this by hacking osinit to set ncpu to 1000.

Updates #15131

Change-Id: I52e061a0de97be41d684dd8b748fa9087d6f1aef
Reviewed-on: https://go-review.googlesource.com/21599
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>