Re: Found it - was: Re: [PATCH] sparc64: fix hugetlb for sun4u

[John Paul Adrian Glaubitz]

Hi,

On Thu, 2025-08-21 at 15:03 +0000, Edgecombe, Rick P wrote:
> And actually one of the architectures that was broken was sparc, which got fixed in
> d3c976c14ad8 ("sparc64: Fix regression in non-hypervisor TLB flush xcall"). John
> was going to explore whether the fix might have been incomplete.

Investigations regarding the origin of the problem are still ongoing. The issue is
definitely related to SPARC-specific mm code, more specifically the TLB management
code on Cheetah-based UltraSPARC systems.

Adrian

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