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Re: [PATCH v6 14/14] mm: Add basic tests for lazy_mmu
- To: "David Hildenbrand (Red Hat)" <david@xxxxxxxxxx>, linux-mm@xxxxxxxxx
- From: Kevin Brodsky <kevin.brodsky@xxxxxxx>
- Date: Mon, 12 Jan 2026 10:45:34 +0100
- Cc: linux-kernel@xxxxxxxxxxxxxxx, Alexander Gordeev <agordeev@xxxxxxxxxxxxx>, Andreas Larsson <andreas@xxxxxxxxxxx>, Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>, Anshuman Khandual <anshuman.khandual@xxxxxxx>, Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>, Borislav Petkov <bp@xxxxxxxxx>, Catalin Marinas <catalin.marinas@xxxxxxx>, Christophe Leroy <christophe.leroy@xxxxxxxxxx>, Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx>, "David S. Miller" <davem@xxxxxxxxxxxxx>, David Woodhouse <dwmw2@xxxxxxxxxxxxx>, "H. Peter Anvin" <hpa@xxxxxxxxx>, Ingo Molnar <mingo@xxxxxxxxxx>, Jann Horn <jannh@xxxxxxxxxx>, Juergen Gross <jgross@xxxxxxxx>, "Liam R. Howlett" <Liam.Howlett@xxxxxxxxxx>, Lorenzo Stoakes <lorenzo.stoakes@xxxxxxxxxx>, Madhavan Srinivasan <maddy@xxxxxxxxxxxxx>, Michael Ellerman <mpe@xxxxxxxxxxxxxx>, Michal Hocko <mhocko@xxxxxxxx>, Mike Rapoport <rppt@xxxxxxxxxx>, Nicholas Piggin <npiggin@xxxxxxxxx>, Peter Zijlstra <peterz@xxxxxxxxxxxxx>, "Ritesh Harjani (IBM)" <ritesh.list@xxxxxxxxx>, Ryan Roberts <ryan.roberts@xxxxxxx>, Suren Baghdasaryan <surenb@xxxxxxxxxx>, Thomas Gleixner <tglx@xxxxxxxxxxxxx>, Venkat Rao Bagalkote <venkat88@xxxxxxxxxxxxx>, Vlastimil Babka <vbabka@xxxxxxx>, Will Deacon <will@xxxxxxxxxx>, Yeoreum Yun <yeoreum.yun@xxxxxxx>, linux-arm-kernel@xxxxxxxxxxxxxxxxxxx, linuxppc-dev@xxxxxxxxxxxxxxxx, sparclinux@xxxxxxxxxxxxxxx, xen-devel@xxxxxxxxxxxxxxxxxxxx, x86@xxxxxxxxxx
- Delivery-date: Mon, 12 Jan 2026 09:46:08 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 09/01/2026 16:07, David Hildenbrand (Red Hat) wrote:
>
> Very nice test 🙂
Thanks!
>
> I think I prefer the EXPORT_SYMBOL_IF_KUNIT over disabling the test
> for PPC and over making lazy_mmu_mode_enable() non-inlined functions
> with an exported symbol
The EXPORT_SYMBOL_IF_KUNIT approach is what's currently in mm-unstable
(with the fixes from Ritesh and me).
- Kevin
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