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Miller" , "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 , 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, Mark Rutland Subject: Re: [PATCH v2 2/7] mm: introduce local state for lazy_mmu sections Message-ID: <248b4623-8755-4323-8a44-be4af30e4856-agordeev@linux.ibm.com> References: <9de08024-adfc-421b-8799-62653468cf63@arm.com> <4b4971fd-0445-4d86-8f3a-6ba3d68d15b7@arm.com> <4aa28016-5678-4c66-8104-8dcc3fa2f5ce@redhat.com> <15d01c8b-5475-442e-9df5-ca37b0d5dc04@arm.com> <7953a735-6129-4d22-be65-ce736630d539@redhat.com> <781a6450-1c0b-4603-91cf-49f16cd78c28@arm.com> <9ed5441f-cc03-472a-adc6-b9d3ad525664-agordeev@linux.ibm.com> <74d1f275-23c3-4fd8-b665-503c7fc87df0@redhat.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; charset=us-ascii Content-Disposition: inline In-Reply-To: <74d1f275-23c3-4fd8-b665-503c7fc87df0@redhat.com> X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: VjJg1bjgqAhkPIFaDf1mLUh7KWJjYCG6 X-Proofpoint-GUID: sT9Q6O7KpHDMezFzmg7Jr_oCplhrH_ZC X-Authority-Analysis: v=2.4 cv=EYDIQOmC c=1 sm=1 tr=0 ts=68c41895 cx=c_pps a=GFwsV6G8L6GxiO2Y/PsHdQ==:117 a=GFwsV6G8L6GxiO2Y/PsHdQ==:17 a=kj9zAlcOel0A:10 a=yJojWOMRYYMA:10 a=uYqTi1GheQgrfgZHFtwA:9 a=CjuIK1q_8ugA:10 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUwOTA2MDAyMCBTYWx0ZWRfX5jpC8GUVmzcb WNTQnHEt7CYJzjyNcPBhadLwyx9qWJPieT278SgOv0+fgDWmcDKSO9n/bVKVzE2Km2J/kquNqse Jo2h4tBAH3Rq2bzLQZKuYkpibwvUYGVvMaMFCBcqCEiBXpyJ/14KPD+uGmPeQ+53nO3UReJyF9T vV9SHmTpFlxTvywhGFj1lAohZo5EPieMQrww4F/cF8jq4d9H2qtG/up3a2vR/gmEjopqXn2qMS8 3cpWLt2lTNHCVrgNs3lbLBPz8/ZfWPrNMNeF/iwV1NkiQwT301stt/rMbx65ewChkpW8jMQrt+D mygDppYgjygKsvAP9O23nIW8cFyauWRb1MftHnofDLV/qfCy2wrFGsX2zoH6Hz3rIIVyUeTZ9rw xobmB0cV X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1117,Hydra:6.1.9,FMLib:17.12.80.40 definitions=2025-09-12_04,2025-09-11_02,2025-03-28_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 adultscore=0 suspectscore=0 spamscore=0 impostorscore=0 priorityscore=1501 phishscore=0 clxscore=1015 bulkscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2507300000 definitions=main-2509060020 On Fri, Sep 12, 2025 at 02:40:55PM +0200, David Hildenbrand wrote: > It would just be passing more context down to the architecture, right? Yes. Namely this one would be arch-defined and arch_enter_lazy_mmu_mode() by default. static inline void arch_enter_lazy_mmu_mode_pte(struct mm_struct *mm, unsigned long addr, unsigned long end, pte_t *ptep) { ... } > David / dhildenb