[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [PATCH v6 03/14] powerpc/mm: implement arch_flush_lazy_mmu_mode()
- To: Kevin Brodsky <kevin.brodsky@xxxxxxx>, linux-mm@xxxxxxxxx
- From: Ritesh Harjani (IBM) <ritesh.list@xxxxxxxxx>
- Date: Tue, 16 Dec 2025 10:44:45 +0530
- Cc: linux-kernel@xxxxxxxxxxxxxxx, Kevin Brodsky <kevin.brodsky@xxxxxxx>, 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 Hildenbrand <david@xxxxxxxxxx>, "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>, 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: Tue, 16 Dec 2025 05:17:14 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
Kevin Brodsky <kevin.brodsky@xxxxxxx> 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@xxxxxxxxxx>
> Tested-by: Venkat Rao Bagalkote <venkat88@xxxxxxxxxxxxx>
> Signed-off-by: Kevin Brodsky <kevin.brodsky@xxxxxxx>
> ---
> .../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@xxxxxxxxx/
The change looks good to me. So, please feel free to add:
Reviewed-by: Ritesh Harjani (IBM) <ritesh.list@xxxxxxxxx>
|