From: Ritesh Harjani (IBM) <ritesh.list@gmail•com>
To: Kevin Brodsky <kevin.brodsky@arm•com>, linux-mm@kvack•org
Cc: linux-kernel@vger•kernel.org,
Kevin Brodsky <kevin.brodsky@arm•com>,
Alexander Gordeev <agordeev@linux•ibm.com>,
Andreas Larsson <andreas@gaisler•com>,
Andrew Morton <akpm@linux-foundation•org>,
Anshuman Khandual <anshuman.khandual@arm•com>,
Boris Ostrovsky <boris.ostrovsky@oracle•com>,
Borislav Petkov <bp@alien8•de>,
Catalin Marinas <catalin.marinas@arm•com>,
Christophe Leroy <christophe.leroy@csgroup•eu>,
Dave Hansen <dave.hansen@linux•intel.com>,
David Hildenbrand <david@redhat•com>,
"David S. Miller" <davem@davemloft•net>,
David Woodhouse <dwmw2@infradead•org>,
"H. Peter Anvin" <hpa@zytor•com>, Ingo Molnar <mingo@redhat•com>,
Jann Horn <jannh@google•com>, Juergen Gross <jgross@suse•com>,
"Liam R. Howlett" <Liam.Howlett@oracle•com>,
Lorenzo Stoakes <lorenzo.stoakes@oracle•com>,
Madhavan Srinivasan <maddy@linux•ibm.com>,
Michael Ellerman <mpe@ellerman•id.au>,
Michal Hocko <mhocko@suse•com>, Mike Rapoport <rppt@kernel•org>,
Nicholas Piggin <npiggin@gmail•com>,
Peter Zijlstra <peterz@infradead•org>,
Ryan Roberts <ryan.roberts@arm•com>,
Suren Baghdasaryan <surenb@google•com>,
Thomas Gleixner <tglx@linutronix•de>,
Venkat Rao Bagalkote <venkat88@linux•ibm.com>,
Vlastimil Babka <vbabka@suse•cz>, Will Deacon <will@kernel•org>,
Yeoreum Yun <yeoreum.yun@arm•com>,
linux-arm-kernel@lists•infradead.org,
linuxppc-dev@lists•ozlabs.org, sparclinux@vger•kernel.org,
xen-devel@lists•xenproject.org, x86@kernel•org
Subject: Re: [PATCH v6 03/14] powerpc/mm: implement arch_flush_lazy_mmu_mode()
Date: Tue, 16 Dec 2025 10:44:45 +0530 [thread overview]
Message-ID: <87345b6m9m.ritesh.list@gmail.com> (raw)
In-Reply-To: <20251215150323.2218608-4-kevin.brodsky@arm.com>
Kevin Brodsky <kevin.brodsky@arm•com> writes:
> Upcoming changes to the lazy_mmu API will cause
> arch_flush_lazy_mmu_mode() to be called when leaving a nested
> lazy_mmu section.
>
> Move the relevant logic from arch_leave_lazy_mmu_mode() to
> arch_flush_lazy_mmu_mode() and have the former call the latter. The
> radix_enabled() check is required in both as
> arch_flush_lazy_mmu_mode() will be called directly from the generic
> layer in a subsequent patch.
>
> Note: the additional this_cpu_ptr() and radix_enabled() calls on the
> arch_leave_lazy_mmu_mode() path will be removed in a subsequent
> patch.
>
> Acked-by: David Hildenbrand <david@redhat•com>
> Tested-by: Venkat Rao Bagalkote <venkat88@linux•ibm.com>
> Signed-off-by: Kevin Brodsky <kevin.brodsky@arm•com>
> ---
> .../powerpc/include/asm/book3s/64/tlbflush-hash.h | 15 ++++++++++++---
> 1 file changed, 12 insertions(+), 3 deletions(-)
Sorry I was away for a while.
Thanks for taking care of the radix path as we had discussed previously
here [1].
[1]: https://lore.kernel.org/all/87jz044xn4.ritesh.list@gmail.com/
The change looks good to me. So, please feel free to add:
Reviewed-by: Ritesh Harjani (IBM) <ritesh.list@gmail•com>
next prev parent reply other threads:[~2025-12-16 5:18 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-12-15 15:03 [PATCH v6 00/14] Nesting support for lazy MMU mode Kevin Brodsky
2025-12-15 15:03 ` [PATCH v6 01/14] powerpc/64s: Do not re-activate batched TLB flush Kevin Brodsky
2025-12-15 15:03 ` [PATCH v6 02/14] x86/xen: simplify flush_lazy_mmu() Kevin Brodsky
2025-12-15 15:03 ` [PATCH v6 03/14] powerpc/mm: implement arch_flush_lazy_mmu_mode() Kevin Brodsky
2025-12-16 5:14 ` Ritesh Harjani [this message]
2025-12-15 15:03 ` [PATCH v6 04/14] sparc/mm: " Kevin Brodsky
2026-01-14 7:20 ` Andreas Larsson
2025-12-15 15:03 ` [PATCH v6 05/14] mm: clarify lazy_mmu sleeping constraints Kevin Brodsky
2026-01-09 15:03 ` David Hildenbrand (Red Hat)
2025-12-15 15:03 ` [PATCH v6 06/14] mm: introduce CONFIG_ARCH_HAS_LAZY_MMU_MODE Kevin Brodsky
2026-01-14 7:27 ` Andreas Larsson
2025-12-15 15:03 ` [PATCH v6 07/14] mm: introduce generic lazy_mmu helpers Kevin Brodsky
2025-12-15 15:03 ` [PATCH v6 08/14] mm: bail out of lazy_mmu_mode_* in interrupt context Kevin Brodsky
2025-12-15 15:03 ` [PATCH v6 09/14] mm: enable lazy_mmu sections to nest Kevin Brodsky
2025-12-15 15:03 ` [PATCH v6 10/14] arm64: mm: replace TIF_LAZY_MMU with is_lazy_mmu_mode_active() Kevin Brodsky
2025-12-15 15:03 ` [PATCH v6 11/14] powerpc/mm: replace batch->active " Kevin Brodsky
2025-12-15 15:03 ` [PATCH v6 12/14] sparc/mm: " Kevin Brodsky
2026-01-14 7:21 ` Andreas Larsson
2025-12-15 15:03 ` [PATCH v6 13/14] x86/xen: use lazy_mmu_state when context-switching Kevin Brodsky
2025-12-15 15:03 ` [PATCH v6 14/14] mm: Add basic tests for lazy_mmu Kevin Brodsky
2025-12-17 4:14 ` Andrew Morton
2025-12-17 9:26 ` Kevin Brodsky
2025-12-17 10:01 ` Ryan Roberts
2025-12-17 15:37 ` Kevin Brodsky
2025-12-17 15:46 ` Ritesh Harjani
2025-12-17 16:10 ` Kevin Brodsky
2025-12-17 16:38 ` [PATCH] powerpc/mm: export symbols for lazy_mmu_mode KUnit tests Kevin Brodsky
2025-12-17 16:45 ` Ritesh Harjani
2025-12-17 17:30 ` Andrew Morton
2025-12-17 17:37 ` Kevin Brodsky
2025-12-21 23:42 ` kernel test robot
2025-12-17 16:38 ` [PATCH] mm: Add basic tests for lazy_mmu - fix for powerpc Kevin Brodsky
2026-01-09 15:07 ` [PATCH v6 14/14] mm: Add basic tests for lazy_mmu David Hildenbrand (Red Hat)
2026-01-12 9:45 ` Kevin Brodsky
2025-12-15 16:52 ` [PATCH v6 00/14] Nesting support for lazy MMU mode Yeoreum Yun
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