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smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=sk.com; spf=pass smtp.mailfrom=sk.com; arc=none smtp.client-ip=166.125.252.92 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=sk.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=sk.com X-AuditID: a67dfc5b-c2dff70000001609-0c-6a8d964b3a74 Date: Tue, 25 Aug 2026 22:19:06 +0900 From: Byungchul Park To: "David Hildenbrand (Arm)" Cc: linux-kernel@vger.kernel.org, max.byungchul.park@gmail.com, kernel_team@skhynix.com, torvalds@linux-foundation.org, damien.lemoal@opensource.wdc.com, linux-ide@vger.kernel.org, adilger.kernel@dilger.ca, linux-ext4@vger.kernel.org, mingo@redhat.com, peterz@infradead.org, will@kernel.org, tglx@linutronix.de, rostedt@goodmis.org, joel@joelfernandes.org, sashal@kernel.org, daniel.vetter@ffwll.ch, duyuyang@gmail.com, johannes.berg@intel.com, tj@kernel.org, tytso@mit.edu, willy@infradead.org, david@fromorbit.com, amir73il@gmail.com, gregkh@linuxfoundation.org, kernel-team@lge.com, linux-mm@kvack.org, akpm@linux-foundation.org, mhocko@kernel.org, minchan@kernel.org, hannes@cmpxchg.org, vdavydov.dev@gmail.com, sj@kernel.org, jglisse@redhat.com, dennis@kernel.org, cl@linux.com, penberg@kernel.org, rientjes@google.com, vbabka@suse.cz, ngupta@vflare.org, linux-block@vger.kernel.org, josef@toxicpanda.com, linux-fsdevel@vger.kernel.org, jack@suse.cz, jlayton@kernel.org, dan.j.williams@intel.com, hch@infradead.org, djwong@kernel.org, dri-devel@lists.freedesktop.org, rodrigosiqueiramelo@gmail.com, melissa.srw@gmail.com, hamohammed.sa@gmail.com, harry.yoo@oracle.com, chris.p.wilson@intel.com, gwan-gyeong.mun@intel.com, boqun.feng@gmail.com, longman@redhat.com, yunseong.kim@ericsson.com, ysk@kzalloc.com, yeoreum.yun@arm.com, netdev@vger.kernel.org, matthew.brost@intel.com, her0gyugyu@gmail.com, corbet@lwn.net, catalin.marinas@arm.com, bp@alien8.de, x86@kernel.org, hpa@zytor.com, luto@kernel.org, sumit.semwal@linaro.org, gustavo@padovan.org, christian.koenig@amd.com, andi.shyti@kernel.org, arnd@arndb.de, lorenzo.stoakes@oracle.com, Liam.Howlett@oracle.com, rppt@kernel.org, surenb@google.com, mcgrof@kernel.org, petr.pavlu@suse.com, da.gomez@kernel.org, samitolvanen@google.com, paulmck@kernel.org, frederic@kernel.org, neeraj.upadhyay@kernel.org, joelagnelf@nvidia.com, josh@joshtriplett.org, urezki@gmail.com, mathieu.desnoyers@efficios.com, jiangshanlai@gmail.com, qiang.zhang@linux.dev, juri.lelli@redhat.com, vincent.guittot@linaro.org, dietmar.eggemann@arm.com, bsegall@google.com, mgorman@suse.de, vschneid@redhat.com, chuck.lever@oracle.com, neil@brown.name, okorniev@redhat.com, Dai.Ngo@oracle.com, tom@talpey.com, trondmy@kernel.org, anna@kernel.org, kees@kernel.org, bigeasy@linutronix.de, clrkwllms@kernel.org, mark.rutland@arm.com, ada.coupriediaz@arm.com, kristina.martsenko@arm.com, wangkefeng.wang@huawei.com, broonie@kernel.org, kevin.brodsky@arm.com, dwmw@amazon.co.uk, shakeel.butt@linux.dev, ast@kernel.org, ziy@nvidia.com, yuzhao@google.com, baolin.wang@linux.alibaba.com, usamaarif642@gmail.com, joel.granados@kernel.org, richard.weiyang@gmail.com, geert+renesas@glider.be, tim.c.chen@linux.intel.com, linux@treblig.org, alexander.shishkin@linux.intel.com, lillian@star-ark.net, chenhuacai@kernel.org, francesco@valla.it, guoweikang.kernel@gmail.com, link@vivo.com, jpoimboe@kernel.org, masahiroy@kernel.org, brauner@kernel.org, thomas.weissschuh@linutronix.de, oleg@redhat.com, mjguzik@gmail.com, andrii@kernel.org, wangfushuai@baidu.com, linux-doc@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-media@vger.kernel.org, linaro-mm-sig@lists.linaro.org, linux-i2c@vger.kernel.org, linux-arch@vger.kernel.org, linux-modules@vger.kernel.org, rcu@vger.kernel.org, linux-nfs@vger.kernel.org, linux-rt-devel@lists.linux.dev, 2407018371@qq.com, dakr@kernel.org, miguel.ojeda.sandonis@gmail.com, neilb@ownmail.net, bagasdotme@gmail.com, wsa+renesas@sang-engineering.com, dave.hansen@intel.com, geert@linux-m68k.org, ojeda@kernel.org, alex.gaynor@gmail.com, gary@garyguo.net, bjorn3_gh@protonmail.com, lossin@kernel.org, a.hindborg@kernel.org, aliceryhl@google.com, tmgross@umich.edu, rust-for-linux@vger.kernel.org Subject: Re: [PATCH v19 00/40] DEPT(DEPendency Tracker) Message-ID: <20260825131906.GC23086@system.software.com> References: <20260706061928.66713-1-byungchul@sk.com> <359ea967-9b97-4584-88e6-bddb4044de2e@kernel.org> <20260821042143.GA40890@system.software.com> <825134a8-ceae-430c-b2fc-d1d0c7240f39@kernel.org> <20260825121322.GA23086@system.software.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=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.9.4 (2018-02-28) X-Brightmail-Tracker: H4sIAAAAAAAAA01Sa0yTZxTe+37XdnZ7rSy+4rK4LssWkjkwZDvJnLjEZF8yF5fs1y6JNvJN yrhZLooLDnRoh5fWZkAoOiuOezOwXASxMhC5aIh4qelGC6K1rDB0soKzlmLLYuafk+c85znP c34ckVGf5GNFXUaOrM/Qpml4JaucWXbqnU/KjqTGdwTjwT3u5WAuYGDheJONh4XKswIY7BUc jPzaiGB8zoAg8HhUgH+awzyU+4tYsPgqBfBf+hhmxrs4qPGGMUyX/c3Dk+GrDJSXjiA4NeFh oLV/DMFkWxDBDe9LMFR6iIeZa8cxWPc5OOi8fU6Aa9MhDI32T+GKqQpHvHkoO7MSKsv340j5 E8OdOosAoYkEWLRmgsdYysLQ2C0OAjcnMNgO+xiw3420FT+7eTjvGGLBsBBA0N9xB8OYbZGD pkkXhiv9g5E1Sz0Lo8NGAVymewim52sYqJl7IEBRz2kWfM4DGMy+WQHauosRuI9OsXDglzMY bv7ehSDo6eAgWHsJweyJMAfND2t5uG8KcBs/kh4VH2WlhpZ2LBVfX+ClQPV+Rio22ZB08a8H jPRDyy7JMW9lpctVVOq0eATJas+VWuripNPn/Vj6Y/pDyd7wIy/ZZ83CZ69/qVyfLKfp8mT9 uxu2KVM8xmouy8Htbr9tFArRMbYEKURKEqm52cU/w50OG1OCRJElb1LfvaQozZO3qMv1mIni GBJPJwf34RKkFBnS+Br9aXxAiA5WkPdpq/sQH91VEaBXL78c1ahJE6ZmZ+uSRkWW06EK71Iu Q+KoK+zHUT1DVtPasBilFWQDtV3wLmW9Qt6gv7UPLGVR4lPQqYPV+L87V9GeOhdrQsTynK3l OVvL/7ZWxDQgtS4jL12rS0tcm5Kfodu9dntmuh1F3ramIPRVB5od+bwXERFplqlGjh1JVXPa vOz89F5ERUYTo/quoCRVrUrW5u+R9Zlb9blpcnYvWi2ympWqdfO7ktVkhzZH/laWs2T9sykW FbGFKHUzfZHLEU50b+G/tllL/91c+MIHX7y3M1QVHBAvLlY2bnQix9bQ+m/2rupLqTh5OFbd tqdohWHQkBhucWdtSlD0JJj7zuVOuv13lzvr1zgK7m+bSvJefzKs6Vd2dQvDTsVZ/UBD/Tpv 3/fbR2MOTrz96GHWTNLiBSO6IexYs/fVLRo2O0WbEMfos7VPAWCHzluyAwAA X-Brightmail-Tracker: H4sIAAAAAAAAA02SfUxTZxTGfd/39vbS2O3aod6IWUxl0ZD4lWg8m4sf2RbvNDOaLEFnnHbj RgqlaqsgW4xSaAZ1alttCa0ogq1M6mDlw3WujGAEUYitH6NRsJhciwQQo1QjUFhLYuY/J+c8 5/nlOX8chihiknmMWntQ0GlVGiUto2Rb1hQu2Ww/kbW82s5AsfEo9IRFCfxb0EJBdLSYgrO1 HhpizqtSKPaWSeBmt4GCwO81CMLRYgRvxp0EjL4pCmLWNimMvn0kBVsBgil/GwJ70EogFPiH gKehAMOrukkaBq+/RGB7ItJQOlBAwYj7VwSOiFMKAzc2wnD4mgSmevsxdL8eQuAWJzGILb8g iNmz4XxlfRy3v6BhvOsOgVJbAMGFJ70EXg70IWhoe4ygv3EMgb/aQMNTcyOBe+IHcD86QkOH 7TgNw8GzGJ7X0VBh8Esg2DmIoNxpRRB56MdQWFVLg73cS4Gv7y8pBAcnMPTYrRhqvN9A2B2h 4La5Esdvjrv+mAvO0kIcL88w2K5cw+vdiH9jPEnxl+ubMG+8G6N5zzkP4sfHrIgfdRUS3miO j9eHRghfVJ/Hu24P0fxY9AHN+19XUPytSo6/WDKGeUvXEt7n6JVu3fCd7PMMQaPOFXTL1u6R Zfaeckn2+yWHm/pOSY8hC2VCSQzHruR8fg8xIYah2E+4yNN1CZlmF3Gh0FuS6JPZ5Vz/TQM2 IRlD2JqPuTPhdmli8RG7mmvoOU4nWDkL3J1bHyY8CrYWc9YHDdMeOTuL6ygTp7MIm8aFJgdw wk/YFO7SJJOQk9i1nKdZnM6azS7kWprasRnJHe/Rjvdox/90BSKXUbJam5ujUmtWLdVnZ+Zr 1YeX/rgvx4viT+k+MmH5E43e29iKWAYpZ8oDlhNZCokqV5+f04o4hiiT5T8fMWUp5Bmq/J8E 3b7dukMaQd+KUhhKOVe+KV3Yo2D3qg4K2YKwX9C922Imad4xZG4v2TX/i5IFXak7872z1Zlf Pg6EijTN5KTPtmOoSL/z+23LtKldaYcaXdVKU2k0b05VimgNlnV7A2dM4WrX1XLVloX2Hzqp zzIu8es76hbvdVZ9Onzh24ruPEPqb191bp+RHli3Rvza0pceOdCcc9r899SMzQvuh3J3Tww+ G+/A55WUPlO1Io3o9Kr/AKCz9huQAwAA X-CFilter-Loop: Reflected On Tue, Aug 25, 2026 at 03:10:28PM +0200, David Hildenbrand (Arm) wrote: > >> As the saying goes, it's hard to teach old dogs new tricks, but in the end > >> taking care of two dogs is likely harder than only a single dog? :) > > > > Or it's better to train a unmatured hunting dog than to teach a pet dog, > > how to hunt, for better hunting, even though the pet dog might > > eventually become able to. > > I'm not sure whether "pet dog" is the right analogy to lockdep in that scenario, > though ;) Ah. Okay. I will be careful in using terms. I wanted to tell DEPT has its strength, lockdep has its own, and they are different. Byungchul > > -- > Cheers, > > David