Re: [PATCH v3 1/5] mm,hugetlb: Change mechanism to detect a COW on private mapping

[Oscar Salvador]

On Sun, Jun 29, 2025 at 10:12:06PM +0200, Oscar Salvador wrote:
> Nevermind, I just wrote my own reproducer.
> I see two ways of fixing this, the simpler being a trylock instead of a
> lock, like the original code did.
> I'll sleep on it and fix it tomorrow.

I crafted the fix, and now my reproducer no longer reproduces the
problem.
Also, with the fix the whole lock-unlock dance becomes much more simple.
I'll send out a v4 later today.

 

-- 
Oscar Salvador
SUSE Labs