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Miller" , David Woodhouse , "H. Peter Anvin" , Ingo Molnar , Jann Horn , Juergen Gross , "Liam R. Howlett" , Lorenzo Stoakes , Madhavan Srinivasan , Michael Ellerman , Michal Hocko , Mike Rapoport , Nicholas Piggin , Peter Zijlstra , Ryan Roberts , Suren Baghdasaryan , Thomas Gleixner , Venkat Rao Bagalkote , Vlastimil Babka , Will Deacon , Yeoreum Yun , 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() In-Reply-To: <20251215150323.2218608-4-kevin.brodsky@arm.com> Date: Tue, 16 Dec 2025 10:44:45 +0530 Message-ID: <87345b6m9m.ritesh.list@gmail.com> References: <20251215150323.2218608-1-kevin.brodsky@arm.com> <20251215150323.2218608-4-kevin.brodsky@arm.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain Kevin Brodsky 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 > Tested-by: Venkat Rao Bagalkote > Signed-off-by: Kevin Brodsky > --- > .../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)