Re: Rough notes from sys_membarrier() lightning BoF
On Thu, Sep 21, 2017 at 10:23:39AM -0700, James Bottomley wrote:
> We have one system that locks up if > multiple CPUs have outstanding coherency operations on the private bus, > but that's only one annoying CPU (which we manage with a special lock > inside the PA-RISC mmu code).
Hehe, yeah. I saw that code recently and had a WTF moment ;-)