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Wed, 12 Mar 2025 07:09:32 -0700 (PDT) X-Google-Smtp-Source: AGHT+IEZVAVnFr8TuudXs0D2kTM0FEywRnFo1M8MBCogN3k6/Xg3Qw7mBw/qIldth+aY3HnE9WFX8Q== X-Received: by 2002:a05:620a:1b85:b0:7c5:4b24:468d with SMTP id af79cd13be357-7c54b244796mr1835003585a.2.1741788572459; Wed, 12 Mar 2025 07:09:32 -0700 (PDT) Received: from x1.local ([85.131.185.92]) by smtp.gmail.com with ESMTPSA id af79cd13be357-7c53c07b645sm727548385a.77.2025.03.12.07.09.31 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 12 Mar 2025 07:09:31 -0700 (PDT) Date: Wed, 12 Mar 2025 10:09:29 -0400 From: Peter Xu To: Jinjiang Tu Cc: jimsiak , linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk, linux-mm@kvack.org, wangkefeng.wang@huawei.com Subject: Re: Using userfaultfd with KVM's async page fault handling causes processes to hung waiting for mmap_lock to be released Message-ID: References: <79375b71-db2e-3e66-346b-254c90d915e2@cslab.ece.ntua.gr> <20250307072133.3522652-1-tujinjiang@huawei.com> <46ac83f7-d3e0-b667-7352-d853938c9fc9@huawei.com> <20a6b1c1-389e-b57a-7a5c-d1b0a7185412@huawei.com> Precedence: bulk X-Mailing-List: linux-fsdevel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20a6b1c1-389e-b57a-7a5c-d1b0a7185412@huawei.com> On Wed, Mar 12, 2025 at 05:18:26PM +0800, Jinjiang Tu wrote: > Since this patch works, could you please send a formal patch to maillist? Will do it later today, thanks. -- Peter Xu