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Thu, 4 Sep 2025 15:13:07 +0000 (UTC) Received: from dovecot-director2.suse.de ([2a07:de40:b281:106:10:150:64:167]) by imap1.dmz-prg2.suse.org with ESMTPSA id vvBQG4OsuWjBBwAAD6G6ig (envelope-from ); Thu, 04 Sep 2025 15:13:07 +0000 Message-ID: <12b43696-d684-4502-aa48-6179702c8b11@suse.cz> Date: Thu, 4 Sep 2025 17:13:07 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [vbabka:slub-percpu-sheaves-v6r2] [maple_tree] 99848157f7: WARNING:possible_circular_locking_dependency_detected Content-Language: en-US To: kernel test robot , "Liam R. Howlett" Cc: oe-lkp@lists.linux.dev, lkp@intel.com, maple-tree@lists.infradead.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org References: <202509041248.b7ece14a-lkp@intel.com> From: Vlastimil Babka Autocrypt: addr=vbabka@suse.cz; keydata= xsFNBFZdmxYBEADsw/SiUSjB0dM+vSh95UkgcHjzEVBlby/Fg+g42O7LAEkCYXi/vvq31JTB KxRWDHX0R2tgpFDXHnzZcQywawu8eSq0LxzxFNYMvtB7sV1pxYwej2qx9B75qW2plBs+7+YB 87tMFA+u+L4Z5xAzIimfLD5EKC56kJ1CsXlM8S/LHcmdD9Ctkn3trYDNnat0eoAcfPIP2OZ+ 9oe9IF/R28zmh0ifLXyJQQz5ofdj4bPf8ecEW0rhcqHfTD8k4yK0xxt3xW+6Exqp9n9bydiy tcSAw/TahjW6yrA+6JhSBv1v2tIm+itQc073zjSX8OFL51qQVzRFr7H2UQG33lw2QrvHRXqD Ot7ViKam7v0Ho9wEWiQOOZlHItOOXFphWb2yq3nzrKe45oWoSgkxKb97MVsQ+q2SYjJRBBH4 8qKhphADYxkIP6yut/eaj9ImvRUZZRi0DTc8xfnvHGTjKbJzC2xpFcY0DQbZzuwsIZ8OPJCc LM4S7mT25NE5kUTG/TKQCk922vRdGVMoLA7dIQrgXnRXtyT61sg8PG4wcfOnuWf8577aXP1x 6mzw3/jh3F+oSBHb/GcLC7mvWreJifUL2gEdssGfXhGWBo6zLS3qhgtwjay0Jl+kza1lo+Cv BB2T79D4WGdDuVa4eOrQ02TxqGN7G0Biz5ZLRSFzQSQwLn8fbwARAQABzSBWbGFzdGltaWwg QmFia2EgPHZiYWJrYUBzdXNlLmN6PsLBlAQTAQoAPgIbAwULCQgHAwUVCgkICwUWAgMBAAIe AQIXgBYhBKlA1DSZLC6OmRA9UCJPp+fMgqZkBQJnyBr8BQka0IFQAAoJECJPp+fMgqZkqmMQ AIbGN95ptUMUvo6aAdhxaOCHXp1DfIBuIOK/zpx8ylY4pOwu3GRe4dQ8u4XS9gaZ96Gj4bC+ jwWcSmn+TjtKW3rH1dRKopvC07tSJIGGVyw7ieV/5cbFffA8NL0ILowzVg8w1ipnz1VTkWDr 2zcfslxJsJ6vhXw5/npcY0ldeC1E8f6UUoa4eyoskd70vO0wOAoGd02ZkJoox3F5ODM0kjHu Y97VLOa3GG66lh+ZEelVZEujHfKceCw9G3PMvEzyLFbXvSOigZQMdKzQ8D/OChwqig8wFBmV QCPS4yDdmZP3oeDHRjJ9jvMUKoYODiNKsl2F+xXwyRM2qoKRqFlhCn4usVd1+wmv9iLV8nPs 2Db1ZIa49fJet3Sk3PN4bV1rAPuWvtbuTBN39Q/6MgkLTYHb84HyFKw14Rqe5YorrBLbF3rl M51Dpf6Egu1yTJDHCTEwePWug4XI11FT8lK0LNnHNpbhTCYRjX73iWOnFraJNcURld1jL1nV r/LRD+/e2gNtSTPK0Qkon6HcOBZnxRoqtazTU6YQRmGlT0v+rukj/cn5sToYibWLn+RoV1CE Qj6tApOiHBkpEsCzHGu+iDQ1WT0Idtdynst738f/uCeCMkdRu4WMZjteQaqvARFwCy3P/jpK uvzMtves5HvZw33ZwOtMCgbpce00DaET4y/UzsBNBFsZNTUBCACfQfpSsWJZyi+SHoRdVyX5 J6rI7okc4+b571a7RXD5UhS9dlVRVVAtrU9ANSLqPTQKGVxHrqD39XSw8hxK61pw8p90pg4G /N3iuWEvyt+t0SxDDkClnGsDyRhlUyEWYFEoBrrCizbmahOUwqkJbNMfzj5Y7n7OIJOxNRkB IBOjPdF26dMP69BwePQao1M8Acrrex9sAHYjQGyVmReRjVEtv9iG4DoTsnIR3amKVk6si4Ea X/mrapJqSCcBUVYUFH8M7bsm4CSxier5ofy8jTEa/CfvkqpKThTMCQPNZKY7hke5qEq1CBk2 wxhX48ZrJEFf1v3NuV3OimgsF2odzieNABEBAAHCwXwEGAEKACYCGwwWIQSpQNQ0mSwujpkQ PVAiT6fnzIKmZAUCZ8gcVAUJFhTonwAKCRAiT6fnzIKmZLY8D/9uo3Ut9yi2YCuASWxr7QQZ lJCViArjymbxYB5NdOeC50/0gnhK4pgdHlE2MdwF6o34x7TPFGpjNFvycZqccSQPJ/gibwNA zx3q9vJT4Vw+YbiyS53iSBLXMweeVV1Jd9IjAoL+EqB0cbxoFXvnjkvP1foiiF5r73jCd4PR rD+GoX5BZ7AZmFYmuJYBm28STM2NA6LhT0X+2su16f/HtummENKcMwom0hNu3MBNPUOrujtW khQrWcJNAAsy4yMoJ2Lw51T/5X5Hc7jQ9da9fyqu+phqlVtn70qpPvgWy4HRhr25fCAEXZDp xG4RNmTm+pqorHOqhBkI7wA7P/nyPo7ZEc3L+ZkQ37u0nlOyrjbNUniPGxPxv1imVq8IyycG AN5FaFxtiELK22gvudghLJaDiRBhn8/AhXc642/Z/yIpizE2xG4KU4AXzb6C+o7LX/WmmsWP Ly6jamSg6tvrdo4/e87lUedEqCtrp2o1xpn5zongf6cQkaLZKQcBQnPmgHO5OG8+50u88D9I rywqgzTUhHFKKF6/9L/lYtrNcHU8Z6Y4Ju/MLUiNYkmtrGIMnkjKCiRqlRrZE/v5YFHbayRD dJKXobXTtCBYpLJM4ZYRpGZXne/FAtWNe4KbNJJqxMvrTOrnIatPj8NhBVI0RSJRsbilh6TE m6M14QORSWTLRg== In-Reply-To: <202509041248.b7ece14a-lkp@intel.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Rspamd-Action: no action X-Rspamd-Server: rspam07 X-Rspamd-Queue-Id: 3019240015 X-Stat-Signature: 8txa9rrfndowtjugcgxhsutt5q3ufgc9 X-Rspam-User: X-HE-Tag: 1756998788-73331 X-HE-Meta: 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 JZAb4S/M rybf833PWXTb2/X+ADHJP6FO4dslo6CJbEjRyEVWDcLaIrLRpOFsaQKDEx8x+OKAukkKwEH8OoyDRatqDAiu2f1AKoJEI+B7fEG5ZlyvO5INrdyKj4eSuktqEN8mDRnWmsBLsrh6+HEYKIKCOQZErtoeaEhCRQcupp7mYkFHnL43Mt/837GSvJPj6NV+WTfHDaMreFndu2sh+ufbb2Po2ZhRyIkPEG0cIp0zjy/ugswLEu46u4hQ1oKMfieWmDdalcymHXA33K7F0+l1AEurCjPRWFVKDV68AeJcjdTmJjxLnqzOkirmkhYLVwwNqx+0qOShUBjWOH45y1BXPq2a1yrVzUA5FllgZ0U0mP+a4yH4QLEqzNT9ZM36UVhIhveyOH0u4 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On 9/4/25 07:20, kernel test robot wrote: > > > Hello, > > kernel test robot noticed "WARNING:possible_circular_locking_dependency_detected" on: > > commit: 99848157f71c03ca5e975b0e686def1d66e8b19f ("maple_tree: Sheaf conversion") > https://git.kernel.org/cgit/linux/kernel/git/vbabka/linux.git slub-percpu-sheaves-v6r2 > > in testcase: rcuscale > version: > with following parameters: > > runtime: 300s > scale_type: rcu > > > > config: x86_64-randconfig-075-20250831 > compiler: gcc-12 > test machine: qemu-system-x86_64 -enable-kvm -cpu SandyBridge -smp 2 -m 16G > > (please refer to attached dmesg/kmsg for entire log/backtrace) > > > > If you fix the issue in a separate patch/commit (i.e. not just a new version of > the same patch/commit), kindly add following tags > | Reported-by: kernel test robot > | Closes: https://lore.kernel.org/oe-lkp/202509041248.b7ece14a-lkp@intel.com Thanks, will be fixed in the next -next snapshot.