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Tue, 7 Apr 2020 12:54:25 +0000 Subject: Re: BUG: mips: errors when compiling kernel with a large initramfs To: YunQiang Su Cc: Thomas Bogendoerfer , linux-mips , LKML References: <0c1e4eda-53c6-ea8b-c27b-eabc8569cc74@windriver.com> From: "Xu, Yanfei" Message-ID: <9c732d5c-df85-96b4-3bd4-0886169817ab@windriver.com> Date: Tue, 7 Apr 2020 20:54:18 +0800 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.8.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 8bit Content-Language: en-US X-ClientProxiedBy: HK2PR02CA0219.apcprd02.prod.outlook.com (2603:1096:201:20::31) To BY5PR11MB4241.namprd11.prod.outlook.com (2603:10b6:a03:1ca::13) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from [128.224.162.160] (60.247.85.82) by HK2PR02CA0219.apcprd02.prod.outlook.com (2603:1096:201:20::31) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.2878.16 via Frontend Transport; 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X-Microsoft-Antispam-Message-Info: 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 X-MS-Exchange-AntiSpam-MessageData: fRoHPV4lVPMsC9FI4ifmGF/Gb6fl7uEQRN2tdHzGABkd0iJbx1dLC3LWS3QaXQEmimDGCL5ggIt2g5jy64Whnts7+E+yNCP55r8zu+4RsR1L9IxoXSIEW6/Fnef66K6EJNAE74tfDu4ES3JhrrcFhA== X-OriginatorOrg: windriver.com X-MS-Exchange-CrossTenant-Network-Message-Id: 88d77569-9e23-4683-748c-08d7daf2ccf0 X-MS-Exchange-CrossTenant-OriginalArrivalTime: 07 Apr 2020 12:54:25.3284 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 8ddb2873-a1ad-4a18-ae4e-4644631433be X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: jShof/komz1ue412mUEzW8Y84QIoxIcbyH0h0PDL8mBKvtHfqIxLczW41O1NMrq89JEzNpaYaa9Fj4wZ70LSUg== X-MS-Exchange-Transport-CrossTenantHeadersStamped: BY5PR11MB4212 Sender: linux-mips-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-mips@vger.kernel.org On 4/7/20 6:21 PM, YunQiang Su wrote: > Xu, Yanfei 于2020年4月7日周二 下午5:58写道： >> Hi, >> >> >> It fails to compile mips kernel with large initramfs (at link time). >> >> kernel version: 5.6.0 >> >> >> Steps to reproduce: >> >> 1. git clone mainline kernel >> >> 2. set ARCH=mips and CROSS_COMPILE=mips-linux-gnu- >> >> 3. make defconfig >> >> 4.enable initramfs support and set the path about initramfs source file >> >> 5.make -j24 >> >> [KEY] when your initramfs files is too large, and cause >> usr/initramfs_data.cpio.gz >> >> compiled is larger than 225M, you will get the following error. BTW, x86 >> doesn't > It is due to the JAL insn can only support <256MiB jump > >> have this issue that I have tested. >> >> ------------------------------error >> messages----------------------------------------- >> >> CHK include/generated/compile.h >> LD vmlinux.o >> MODPOST vmlinux.o >> MODINFO modules.builtin.modinfo >> GEN modules.builtin >> LD .tmp_vmlinux.kallsyms1 >> kernel/configs.o: In function `ikconfig_cleanup': >> /home/wrsadmin/work/linux/kernel/linux-master/kernel/configs.c:72:(.exit.text+0x8): >> relocation truncated to fit: R_MIPS_26 against `remove_proc_entry' >> fs/binfmt_script.o: In function `exit_script_binfmt': >> /home/wrsadmin/work/linux/kernel/linux-master/fs/binfmt_script.c:165:(.exit.text+0x4): >> relocation truncated to fit: R_MIPS_26 against `unregister_binfmt' >> fs/binfmt_elf.o: In function `exit_elf_binfmt': >> /home/wrsadmin/work/linux/kernel/linux-master/fs/binfmt_elf.c:2393:(.exit.text+0x4): >> relocation truncated to fit: R_MIPS_26 against `unregister_binfmt' >> fs/mbcache.o: In function `mbcache_exit': >> /home/wrsadmin/work/linux/kernel/linux-master/fs/mbcache.c:429:(.exit.text+0x4): >> relocation truncated to fit: R_MIPS_26 against `kmem_cache_destroy' >> fs/nfs_common/grace.o: In function `exit_grace': >> /home/wrsadmin/work/linux/kernel/linux-master/fs/nfs_common/grace.c:133:(.exit.text+0x4): >> relocation truncated to fit: R_MIPS_26 against `unregister_pernet_subsys' >> fs/ext4/super.o: In function `ext4_destroy_lazyinit_thread': >> /home/wrsadmin/work/linux/kernel/linux-master/fs/ext4/super.c:3456:(.exit.text+0x24): >> relocation truncated to fit: R_MIPS_26 against `kthread_stop' >> fs/ext4/super.o: In function `unregister_as_ext2': >> /home/wrsadmin/work/linux/kernel/linux-master/fs/ext4/super.c:6126:(.exit.text+0x30): >> relocation truncated to fit: R_MIPS_26 against `unregister_filesystem' >> fs/ext4/super.o: In function `unregister_as_ext3': >> /home/wrsadmin/work/linux/kernel/linux-master/fs/ext4/super.c:6155:(.exit.text+0x3c): >> relocation truncated to fit: R_MIPS_26 against `unregister_filesystem' >> fs/ext4/super.o: In function `ext4_exit_fs': >> /home/wrsadmin/work/linux/kernel/linux-master/fs/ext4/super.c:6261:(.exit.text+0x48): >> relocation truncated to fit: R_MIPS_26 against `unregister_filesystem' >> fs/ext4/super.o: In function `destroy_inodecache': >> /home/wrsadmin/work/linux/kernel/linux-master/fs/ext4/super.c:1218:(.exit.text+0x50): >> relocation truncated to fit: R_MIPS_26 against `rcu_barrier' >> /home/wrsadmin/work/linux/kernel/linux-master/fs/ext4/super.c:1219:(.exit.text+0x5c): >> additional relocation overflows omitted from the output >> Makefile:1086: recipe for target 'vmlinux' failed >> make[1]: *** [vmlinux] Error 1 >> Makefile:1058: recipe for target 'autoksyms_recursive' failed >> make: *** [autoksyms_recursive] Error 2 >> >> >> Any comment will be appreciated. > Maybe, you can have a try add `-mlong-calls' to your CFLAGS. > I am not sure that it can work. > https://gcc.gnu.org/onlinedocs/gcc/MIPS-Options.html Ha, It does work. Many thanks! Yanfei >> Thanks, >> >> Yanfei >> >