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Wed, 25 Mar 2026 16:37:45 +0000 (GMT) Date: Wed, 25 Mar 2026 17:37:43 +0100 From: Alexander Gordeev To: "David Hildenbrand (Arm)" Cc: Kevin Brodsky , Andrew Morton , Gerald Schaefer , Heiko Carstens , Christian Borntraeger , Vasily Gorbik , linux-s390@vger.kernel.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: Re: [RFC PATCH 1/2] mm: make lazy MMU mode context-aware Message-ID: <939c4ed1-3335-47ef-a25b-6ccdbd48d464-agordeev@linux.ibm.com> References: <44dd86c0-1845-4dd9-b4b4-2cef6d1c6357@kernel.org> 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: X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: ep-i31MGON5OlTVgHzD44qA7jGtcSV4f X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMzI1MDExNyBTYWx0ZWRfX69MY7zL9dYkK OOwrsP2i3IO+E8dzEkot+WcOQZ9DXy4PWqnzre6V8fRHZ+NgcsDWCcKjWhulxWSQssOcczL/I8H m+kQ05AI5VajjO/mI+dww3OQfJP91uYmIvEDivusZ7/WA8Vu19MwNQeSxvzIBK2D8A1/OkUbifa h8OUXnMJRySj8732fani84Er4jcyo48Htb2YCBmNgdPPwIcUYG+VR2nh5hzr1euMb3SwSNuWMfM fYHlDiKmwXjTFVBUtSQkIf7AzXSZVwXJMuGUK9d+eUaAFIasW9smzVTPuCrd79vS2HPin+rC0xH gfjG/4/Fr+EPjDhjzdfBoZ1lvRhQrW+nzHYMKt+P/2N04uhZw8UVuoa7zdrV0aEp6hMpYica32c o9qpa0NT4SRYusS7Vx8766TyOXnLv+TsPB+IiHpeVdcAwrx+7xmR7urMUcXJVHpYIo2VMqUME7S BwNKTrAg4EWvTEd9VyQ== X-Authority-Analysis: v=2.4 cv=bLEb4f+Z c=1 sm=1 tr=0 ts=69c40f5e cx=c_pps a=3Bg1Hr4SwmMryq2xdFQyZA==:117 a=3Bg1Hr4SwmMryq2xdFQyZA==:17 a=kj9zAlcOel0A:10 a=Yq5XynenixoA:10 a=VkNPw1HP01LnGYTKEx00:22 a=RnoormkPH1_aCDwRdu11:22 a=iQ6ETzBq9ecOQQE5vZCe:22 a=VJWC2A9Rxtiui5an8dEA:9 a=CjuIK1q_8ugA:10 X-Proofpoint-GUID: ep-i31MGON5OlTVgHzD44qA7jGtcSV4f X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-03-25_05,2026-03-24_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 adultscore=0 clxscore=1015 phishscore=0 impostorscore=0 malwarescore=0 lowpriorityscore=0 suspectscore=0 bulkscore=0 priorityscore=1501 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2603050001 definitions=main-2603250117 > Multiple different ranges still could be processed, but then one should > continue using arch_enter_lazy_mmu_mode(). lazy_mmu_mode_enable()