Re: [PATCH v2 2/7] mm: introduce local state for lazy_mmu sections

[PATCH v2 0/7] Nesting support for lazy MMU mode · Kevin Brodsky <hidden> · 2025-09-08
[PATCH v2 1/7] mm: remove arch_flush_lazy_mmu_mode() · Kevin Brodsky <hidden> · 2025-09-08
Re: [PATCH v2 1/7] mm: remove arch_flush_lazy_mmu_mode() · Yeoreum Yun <hidden> · 2025-09-08
Re: [PATCH v2 1/7] mm: remove arch_flush_lazy_mmu_mode() · David Hildenbrand <hidden> · 2025-09-09
[PATCH v2 2/7] mm: introduce local state for lazy_mmu sections · Kevin Brodsky <hidden> · 2025-09-08
Re: [PATCH v2 2/7] mm: introduce local state for lazy_mmu sections · Yeoreum Yun <hidden> · 2025-09-08
Re: [PATCH v2 2/7] mm: introduce local state for lazy_mmu sections · Andrew Morton <akpm@linux-foundation.org> · 2025-09-09
Re: [PATCH v2 2/7] mm: introduce local state for lazy_mmu sections · Kevin Brodsky <hidden> · 2025-09-09
Re: [PATCH v2 2/7] mm: introduce local state for lazy_mmu sections · David Hildenbrand <hidden> · 2025-09-09
Re: [PATCH v2 2/7] mm: introduce local state for lazy_mmu sections · Alexander Gordeev <agordeev@linux.ibm.com> · 2025-09-09
Re: [PATCH v2 2/7] mm: introduce local state for lazy_mmu sections · David Hildenbrand <hidden> · 2025-09-09
Re: [PATCH v2 2/7] mm: introduce local state for lazy_mmu sections · Alexander Gordeev <agordeev@linux.ibm.com> · 2025-09-09
Re: [PATCH v2 2/7] mm: introduce local state for lazy_mmu sections · David Hildenbrand <hidden> · 2025-09-09
Re: [PATCH v2 2/7] mm: introduce local state for lazy_mmu sections · Kevin Brodsky <hidden> · 2025-09-09
Re: [PATCH v2 2/7] mm: introduce local state for lazy_mmu sections · Kevin Brodsky <hidden> · 2025-09-09
Re: [PATCH v2 2/7] mm: introduce local state for lazy_mmu sections · David Hildenbrand <hidden> · 2025-09-09
Re: [PATCH v2 2/7] mm: introduce local state for lazy_mmu sections · Kevin Brodsky <hidden> · 2025-09-10
Re: [PATCH v2 2/7] mm: introduce local state for lazy_mmu sections · David Hildenbrand <hidden> · 2025-09-10
Re: [PATCH v2 2/7] mm: introduce local state for lazy_mmu sections · Kevin Brodsky <hidden> · 2025-09-11
Re: [PATCH v2 2/7] mm: introduce local state for lazy_mmu sections · David Hildenbrand <hidden> · 2025-09-11
Re: [PATCH v2 2/7] mm: introduce local state for lazy_mmu sections · Kevin Brodsky <hidden> · 2025-09-12
Re: [PATCH v2 2/7] mm: introduce local state for lazy_mmu sections · David Hildenbrand <hidden> · 2025-09-12
Re: [PATCH v2 2/7] mm: introduce local state for lazy_mmu sections · Kevin Brodsky <hidden> · 2025-09-12
Re: [PATCH v2 2/7] mm: introduce local state for lazy_mmu sections · David Hildenbrand <hidden> · 2025-09-12
Re: [PATCH v2 2/7] mm: introduce local state for lazy_mmu sections · Alexander Gordeev <agordeev@linux.ibm.com> · 2025-09-12
Re: [PATCH v2 2/7] mm: introduce local state for lazy_mmu sections · David Hildenbrand <hidden> · 2025-09-12
Re: [PATCH v2 2/7] mm: introduce local state for lazy_mmu sections · Alexander Gordeev <agordeev@linux.ibm.com> · 2025-09-12
Re: [PATCH v2 2/7] mm: introduce local state for lazy_mmu sections · David Hildenbrand <hidden> · 2025-09-12
Re: [PATCH v2 2/7] mm: introduce local state for lazy_mmu sections · Alexander Gordeev <agordeev@linux.ibm.com> · 2025-09-12
Re: [PATCH v2 2/7] mm: introduce local state for lazy_mmu sections · David Hildenbrand <hidden> · 2025-09-12
Re: [PATCH v2 2/7] mm: introduce local state for lazy_mmu sections · Kevin Brodsky <hidden> · 2025-09-12
Re: [PATCH v2 2/7] mm: introduce local state for lazy_mmu sections · Alexander Gordeev <agordeev@linux.ibm.com> · 2025-09-09
Re: [PATCH v2 2/7] mm: introduce local state for lazy_mmu sections · Kevin Brodsky <hidden> · 2025-09-10
Re: [PATCH v2 2/7] mm: introduce local state for lazy_mmu sections · Alexander Gordeev <agordeev@linux.ibm.com> · 2025-09-11
Re: [PATCH v2 2/7] mm: introduce local state for lazy_mmu sections · Kevin Brodsky <hidden> · 2025-09-11
Re: [PATCH v2 2/7] mm: introduce local state for lazy_mmu sections · Juergen Gross <jgross@suse.com> · 2025-09-09
Re: [PATCH v2 2/7] mm: introduce local state for lazy_mmu sections · Kevin Brodsky <hidden> · 2025-09-09
Re: [PATCH v2 2/7] mm: introduce local state for lazy_mmu sections · Jürgen Groß <jgross@suse.com> · 2025-09-09
[PATCH v2 3/7] arm64: mm: fully support nested lazy_mmu sections · Kevin Brodsky <hidden> · 2025-09-08
Re: [PATCH v2 3/7] arm64: mm: fully support nested lazy_mmu sections · Yeoreum Yun <hidden> · 2025-09-08
[PATCH v2 4/7] x86/xen: support nested lazy_mmu sections (again) · Kevin Brodsky <hidden> · 2025-09-08
Re: [PATCH v2 4/7] x86/xen: support nested lazy_mmu sections (again) · David Hildenbrand <hidden> · 2025-09-09
Re: [PATCH v2 4/7] x86/xen: support nested lazy_mmu sections (again) · Jürgen Groß <jgross@suse.com> · 2025-09-09
Re: [PATCH v2 4/7] x86/xen: support nested lazy_mmu sections (again) · David Hildenbrand <hidden> · 2025-09-09
Re: [PATCH v2 4/7] x86/xen: support nested lazy_mmu sections (again) · Kevin Brodsky <hidden> · 2025-09-09
Re: [PATCH v2 4/7] x86/xen: support nested lazy_mmu sections (again) · Jürgen Groß <jgross@suse.com> · 2025-09-09
[PATCH v2 5/7] powerpc/mm: support nested lazy_mmu sections · Kevin Brodsky <hidden> · 2025-09-08
[PATCH v2 6/7] sparc/mm: support nested lazy_mmu sections · Kevin Brodsky <hidden> · 2025-09-08
[PATCH v2 7/7] mm: update lazy_mmu documentation · Kevin Brodsky <hidden> · 2025-09-08
Re: [PATCH v2 7/7] mm: update lazy_mmu documentation · Yeoreum Yun <hidden> · 2025-09-08
Re: [PATCH v2 0/7] Nesting support for lazy MMU mode · Lorenzo Stoakes <hidden> · 2025-09-08
Re: [PATCH v2 0/7] Nesting support for lazy MMU mode · Kevin Brodsky <hidden> · 2025-09-09
Re: [PATCH v2 0/7] Nesting support for lazy MMU mode · Andrew Morton <akpm@linux-foundation.org> · 2025-09-09
Re: [PATCH v2 0/7] Nesting support for lazy MMU mode · David Hildenbrand <hidden> · 2025-09-09
Re: [PATCH v2 0/7] Nesting support for lazy MMU mode · Kevin Brodsky <hidden> · 2025-09-09
Re: [PATCH v2 0/7] Nesting support for lazy MMU mode · Kevin Brodsky <hidden> · 2025-09-12
Re: [PATCH v2 0/7] Nesting support for lazy MMU mode · Alexander Gordeev <agordeev@linux.ibm.com> · 2025-09-15
Re: [PATCH v2 0/7] Nesting support for lazy MMU mode · Kevin Brodsky <hidden> · 2025-09-15

From: David Hildenbrand <hidden>
Date: 2025-09-12 13:02:27
Also in: linux-arm-kernel, linux-mm, lkml, sparclinux, xen-devel

On 12.09.25 14:56, Alexander Gordeev wrote:

On Fri, Sep 12, 2025 at 02:40:55PM +0200, David Hildenbrand wrote:

quoted

It would just be passing more context down to the architecture, right?

Yes. Namely this one would be arch-defined and arch_enter_lazy_mmu_mode()
by default.

How would that work with nesting? I feel like there is a fundamental 
problem with nesting with what you describe but I might be wrong.

-- 
Cheers

David / dhildenb

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