From: kernel test robot <lkp@intel.com>
To: Nam Cao <namcao@linutronix.de>
Cc: oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org,
"Steven Rostedt (Google)" <rostedt@goodmis.org>,
Gabriele Monaco <gmonaco@redhat.com>
Subject: arch/sh/kernel/cpu/sh4/../sh3/../../entry-common.S:85: Warning: overflow in branch to __restore_all; converted into longer instruction sequence
Date: Sun, 14 Dec 2025 07:01:40 +0800 [thread overview]
Message-ID: <202512140648.pAbemH3J-lkp@intel.com> (raw)
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 4a298a43f5e339f48d2dda0665c02b88ee9a4e03
commit: f74f8bb246cf22f27752977da62079cb615f55b2 rv: Add rtapp_sleep monitor
date: 5 months ago
config: sh-randconfig-002-20251214 (https://download.01.org/0day-ci/archive/20251214/202512140648.pAbemH3J-lkp@intel.com/config)
compiler: sh4-linux-gcc (GCC) 15.1.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251214/202512140648.pAbemH3J-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 <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202512140648.pAbemH3J-lkp@intel.com/
All warnings (new ones prefixed by >>):
arch/sh/kernel/cpu/sh4/../sh3/../../entry-common.S: Assembler messages:
>> arch/sh/kernel/cpu/sh4/../sh3/../../entry-common.S:85: Warning: overflow in branch to __restore_all; converted into longer instruction sequence
arch/sh/kernel/cpu/sh4/../sh3/../../entry-common.S:357: Warning: overflow in branch to syscall_exit_work; converted into longer instruction sequence
arch/sh/kernel/cpu/sh4/../sh3/../../entry-common.S:360: Warning: overflow in branch to syscall_exit_work; converted into longer instruction sequence
vim +85 arch/sh/kernel/cpu/sh4/../sh3/../../entry-common.S
de39840646a223 Yoshinori Sato 2006-11-05 63
de39840646a223 Yoshinori Sato 2006-11-05 64 .align 2
de39840646a223 Yoshinori Sato 2006-11-05 65 ret_from_exception:
cafb0ddac60556 Matt Fleming 2009-08-02 66 CFI_STARTPROC simple
cafb0ddac60556 Matt Fleming 2009-08-02 67 CFI_DEF_CFA r14, 0
cafb0ddac60556 Matt Fleming 2009-08-02 68 CFI_REL_OFFSET 17, 64
142698282ceb68 Matt Fleming 2010-01-27 69 CFI_REL_OFFSET 15, 60
cafb0ddac60556 Matt Fleming 2009-08-02 70 CFI_REL_OFFSET 14, 56
142698282ceb68 Matt Fleming 2010-01-27 71 CFI_REL_OFFSET 13, 52
142698282ceb68 Matt Fleming 2010-01-27 72 CFI_REL_OFFSET 12, 48
142698282ceb68 Matt Fleming 2010-01-27 73 CFI_REL_OFFSET 11, 44
142698282ceb68 Matt Fleming 2010-01-27 74 CFI_REL_OFFSET 10, 40
142698282ceb68 Matt Fleming 2010-01-27 75 CFI_REL_OFFSET 9, 36
142698282ceb68 Matt Fleming 2010-01-27 76 CFI_REL_OFFSET 8, 32
de39840646a223 Yoshinori Sato 2006-11-05 77 preempt_stop()
de39840646a223 Yoshinori Sato 2006-11-05 78 ENTRY(ret_from_irq)
de39840646a223 Yoshinori Sato 2006-11-05 79 !
de39840646a223 Yoshinori Sato 2006-11-05 80 mov #OFF_SR, r0
de39840646a223 Yoshinori Sato 2006-11-05 81 mov.l @(r0,r15), r0 ! get status register
de39840646a223 Yoshinori Sato 2006-11-05 82 shll r0
de39840646a223 Yoshinori Sato 2006-11-05 83 shll r0 ! kernel space?
de39840646a223 Yoshinori Sato 2006-11-05 84 get_current_thread_info r8, r0
de39840646a223 Yoshinori Sato 2006-11-05 @85 bt resume_kernel ! Yes, it's from kernel, go back soon
de39840646a223 Yoshinori Sato 2006-11-05 86
:::::: The code at line 85 was first introduced by commit
:::::: de39840646a223ae13a346048c280b7c871bf56e sh: Exception vector rework and SH-2/SH-2A support.
:::::: TO: Yoshinori Sato <ysato@users.sourceforge.jp>
:::::: CC: Paul Mundt <lethal@linux-sh.org>
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
reply other threads:[~2025-12-13 23:02 UTC|newest]
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