Re: [PATCH] Revert "x86: Disable IST stacks for debug/int 3/stack fault for PREEMPT_RT"
From
Mike Galbraith <>
Date
Sun, 05 Jan 2014 06:05:34 +0100
On Sun, 2014-01-05 at 05:45 +0100, Mike Galbraith wrote:
> Or perhaps tell sleeping locks to spin in annoying spots? I converted > rt spinlocks globally to preemptible spinning locks (wasn't pretty, but > worked), so seems that could work.
Bah. Nope, if lock owner is on your cpu, you have to yield.