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Re: [PATCH v5 09/12] arm64: mm: replace TIF_LAZY_MMU with in_lazy_mmu_mode()
- To: Kevin Brodsky <kevin.brodsky@xxxxxxx>, linux-mm@xxxxxxxxx
- From: "David Hildenbrand (Red Hat)" <david@xxxxxxxxxx>
- Date: Mon, 24 Nov 2025 15:10:49 +0100
- Cc: linux-kernel@xxxxxxxxxxxxxxx, Alexander Gordeev <agordeev@xxxxxxxxxxxxx>, Andreas Larsson <andreas@xxxxxxxxxxx>, Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>, 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, 24 Nov 2025 14:11:07 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 11/24/25 14:22, Kevin Brodsky wrote:
The generic lazy_mmu layer now tracks whether a task is in lazy MMU
mode. As a result we no longer need a TIF flag for that purpose -
let's use the new in_lazy_mmu_mode() helper instead.
The explicit check for in_interrupt() is no longer necessary either
as in_lazy_mmu_mode() always returns false in interrupt context.
Signed-off-by: Kevin Brodsky <kevin.brodsky@xxxxxxx>
---
Nothing jumped at me
Acked-by: David Hildenbrand (Red Hat) <david@xxxxxxxxxx>
--
Cheers
David
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