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[2403:580d:fda1::299]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-1fd6f3184f9sm65431575ad.169.2024.07.22.22.37.57 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 22 Jul 2024 22:37:59 -0700 (PDT) Message-ID: <8afac96c-979e-47b4-8416-c26ba4c4a348@suse.com> Date: Tue, 23 Jul 2024 15:07:54 +0930 Precedence: bulk X-Mailing-List: oe-kbuild-all@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: fs/btrfs/inode.o: warning: objtool: insert_inline_extent+0xa8: unreachable instruction To: kernel test robot Cc: oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org, David Sterba References: <202407231331.vNHHJPnu-lkp@intel.com> Content-Language: en-US From: Qu Wenruo Autocrypt: addr=wqu@suse.com; keydata= xsBNBFnVga8BCACyhFP3ExcTIuB73jDIBA/vSoYcTyysFQzPvez64TUSCv1SgXEByR7fju3o 8RfaWuHCnkkea5luuTZMqfgTXrun2dqNVYDNOV6RIVrc4YuG20yhC1epnV55fJCThqij0MRL 1NxPKXIlEdHvN0Kov3CtWA+R1iNN0RCeVun7rmOrrjBK573aWC5sgP7YsBOLK79H3tmUtz6b 9Imuj0ZyEsa76Xg9PX9Hn2myKj1hfWGS+5og9Va4hrwQC8ipjXik6NKR5GDV+hOZkktU81G5 gkQtGB9jOAYRs86QG/b7PtIlbd3+pppT0gaS+wvwMs8cuNG+Pu6KO1oC4jgdseFLu7NpABEB AAHNGFF1IFdlbnJ1byA8d3F1QHN1c2UuY29tPsLAlAQTAQgAPgIbAwULCQgHAgYVCAkKCwIE FgIDAQIeAQIXgBYhBC3fcuWlpVuonapC4cI9kfOhJf6oBQJjTSJVBQkNOgemAAoJEMI9kfOh Jf6oapEH/3r/xcalNXMvyRODoprkDraOPbCnULLPNwwp4wLP0/nKXvAlhvRbDpyx1+Ht/3gW p+Klw+S9zBQemxu+6v5nX8zny8l7Q6nAM5InkLaD7U5OLRgJ0O1MNr/UTODIEVx3uzD2X6MR ECMigQxu9c3XKSELXVjTJYgRrEo8o2qb7xoInk4mlleji2rRrqBh1rS0pEexImWphJi+Xgp3 dxRGHsNGEbJ5+9yK9Nc5r67EYG4bwm+06yVT8aQS58ZI22C/UeJpPwcsYrdABcisd7dddj4Q RhWiO4Iy5MTGUD7PdfIkQ40iRcQzVEL1BeidP8v8C4LVGmk4vD1wF6xTjQRKfXHOwE0EWdWB rwEIAKpT62HgSzL9zwGe+WIUCMB+nOEjXAfvoUPUwk+YCEDcOdfkkM5FyBoJs8TCEuPXGXBO Cl5P5B8OYYnkHkGWutAVlUTV8KESOIm/KJIA7jJA+Ss9VhMjtePfgWexw+P8itFRSRrrwyUf E+0WcAevblUi45LjWWZgpg3A80tHP0iToOZ5MbdYk7YFBE29cDSleskfV80ZKxFv6koQocq0 vXzTfHvXNDELAuH7Ms/WJcdUzmPyBf3Oq6mKBBH8J6XZc9LjjNZwNbyvsHSrV5bgmu/THX2n g/3be+iqf6OggCiy3I1NSMJ5KtR0q2H2Nx2Vqb1fYPOID8McMV9Ll6rh8S8AEQEAAcLAfAQY AQgAJgIbDBYhBC3fcuWlpVuonapC4cI9kfOhJf6oBQJjTSJuBQkNOge/AAoJEMI9kfOhJf6o rq8H/3LJmWxL6KO2y/BgOMYDZaFWE3TtdrlIEG8YIDJzIYbNIyQ4lw61RR+0P4APKstsu5VJ 9E3WR7vfxSiOmHCRIWPi32xwbkD5TwaA5m2uVg6xjb5wbdHm+OhdSBcw/fsg19aHQpsmh1/Q bjzGi56yfTxxt9R2WmFIxe6MIDzLlNw3JG42/ark2LOXywqFRnOHgFqxygoMKEG7OcGy5wJM AavA+Abj+6XoedYTwOKkwq+RX2hvXElLZbhYlE+npB1WsFYn1wJ22lHoZsuJCLba5lehI+// ShSsZT5Tlfgi92e9P7y+I/OzMvnBezAll+p/Ly2YczznKM5tV0gboCWeusM= In-Reply-To: <202407231331.vNHHJPnu-lkp@intel.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Hi LKP team, Thanks a lot of your reports. 在 2024/7/23 15:02, kernel test robot 写道: > tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master > head: 66ebbdfdeb093e097399b1883390079cd4c3022b > commit: eb1fa9ab470285d39bee268bc2a90d1786610711 btrfs: make insert_inline_extent() accept one page directly > date: 3 months ago > config: loongarch-randconfig-001-20240722 (https://download.01.org/0day-ci/archive/20240723/202407231331.vNHHJPnu-lkp@intel.com/config) > compiler: loongarch64-linux-gcc (GCC) 14.1.0 > reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240723/202407231331.vNHHJPnu-lkp@intel.com/reproduce) > > 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-kbuild-all/202407231331.vNHHJPnu-lkp@intel.com/ > > All warnings (new ones prefixed by >>): > >>> fs/btrfs/inode.o: warning: objtool: insert_inline_extent+0xa8: unreachable instruction However for those not-so-common archs, mind to provide the code line number if possible? (Better for all archs) Although unreachable instruction warning is mostly false alerts, I still want to be sure. Thanks, Qu > fs/btrfs/inode.o: warning: objtool: btrfs_del_delalloc_inode+0xb0: unreachable instruction > fs/btrfs/inode.o: warning: objtool: btrfs_set_delalloc_extent+0x18c: unreachable instruction > fs/btrfs/inode.o: warning: objtool: btrfs_evict_inode+0x9c: unreachable instruction > fs/btrfs/inode.o: warning: objtool: btrfs_get_extent+0x3d0: unreachable instruction > fs/btrfs/inode.o: warning: objtool: btrfs_set_range_writeback+0x7c: unreachable instruction > fs/btrfs/inode.o: warning: objtool: compress_file_range+0x388: unreachable instruction > fs/btrfs/inode.o: warning: objtool: cow_file_range+0x128: unreachable instruction > fs/btrfs/inode.o: warning: objtool: btrfs_finish_one_ordered+0x174: unreachable instruction > fs/btrfs/inode.o: warning: objtool: btrfs_invalidate_folio+0x1b8: unreachable instruction > > > objdump-func vmlinux.o insert_inline_extent: >