Re: [PATCH v17 02/16] preempt: Track NMI nesting to separate per-CPU counter

[Joel Fernandes]

On Fri, Feb 06, 2026 at 08:16:39AM -0800, Boqun Feng wrote:
[...]
> Yeah, "can't" is a strong word? ;-) I did say if we care more about
> performance on 64bit than 32bit and can afford slowing down 32bit
> preemption disabling in the case where "we decide to have additional
> preempt count flags", THEN we can make all preempt count 64bit.

Ok, hopefully x86 32-bit goes away before we have to maintain/improve
these workarounds in it. :-)

-- 
Joel Fernandes

-- 
-- 
Joel Fernandes