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Message-ID: <202210021438.oDimNmSR-lkp@intel.com>
Date: Sun, 2 Oct 2022 14:50:19 +0800
From: kernel test robot <lkp@...el.com>
To: Helge Deller <deller@....de>
Cc: kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org
Subject: arch/parisc/kernel/entry.S:977: Error: Field not properly aligned
[8] (20).
Hi Helge,
FYI, the error/warning still remains.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: b357fd1c2afc1a3e1b73dc4574bb7ac0e3bd4193
commit: 671028728083e856e9919221b109e3b2cd2ccc49 parisc: Implement __get/put_kernel_nofault()
date: 1 year, 1 month ago
config: parisc-buildonly-randconfig-r003-20221002
compiler: hppa64-linux-gcc (GCC) 12.1.0
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=671028728083e856e9919221b109e3b2cd2ccc49
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout 671028728083e856e9919221b109e3b2cd2ccc49
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=parisc64 SHELL=/bin/bash arch/parisc/
If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@...el.com>
All errors (new ones prefixed by >>):
arch/parisc/kernel/entry.S: Assembler messages:
>> arch/parisc/kernel/entry.S:977: Error: Field not properly aligned [8] (20).
>> arch/parisc/kernel/entry.S:977: Error: Invalid operands
vim +977 arch/parisc/kernel/entry.S
^1da177e4c3f41 Linus Torvalds 2005-04-16 955
^1da177e4c3f41 Linus Torvalds 2005-04-16 956 ldil L%intr_check_sig, %r2
99ac79479928ba Randolph Chung 2005-10-21 957 #ifndef CONFIG_64BIT
^1da177e4c3f41 Linus Torvalds 2005-04-16 958 b schedule
99ac79479928ba Randolph Chung 2005-10-21 959 #else
99ac79479928ba Randolph Chung 2005-10-21 960 load32 schedule, %r20
99ac79479928ba Randolph Chung 2005-10-21 961 bv %r0(%r20)
99ac79479928ba Randolph Chung 2005-10-21 962 #endif
^1da177e4c3f41 Linus Torvalds 2005-04-16 963 ldo R%intr_check_sig(%r2), %r2
^1da177e4c3f41 Linus Torvalds 2005-04-16 964
50a34dbd612925 Kyle McMartin 2006-03-24 965 /* preempt the current task on returning to kernel
50a34dbd612925 Kyle McMartin 2006-03-24 966 * mode from an interrupt, iff need_resched is set,
50a34dbd612925 Kyle McMartin 2006-03-24 967 * and preempt_count is 0. otherwise, we continue on
50a34dbd612925 Kyle McMartin 2006-03-24 968 * our merry way back to the current running task.
50a34dbd612925 Kyle McMartin 2006-03-24 969 */
09613e8320cda1 Thomas Gleixner 2019-10-15 970 #ifdef CONFIG_PREEMPTION
50a34dbd612925 Kyle McMartin 2006-03-24 971 .import preempt_schedule_irq,code
50a34dbd612925 Kyle McMartin 2006-03-24 972 intr_do_preempt:
50a34dbd612925 Kyle McMartin 2006-03-24 973 rsm PSW_SM_I, %r0 /* disable interrupts */
50a34dbd612925 Kyle McMartin 2006-03-24 974
50a34dbd612925 Kyle McMartin 2006-03-24 975 /* current_thread_info()->preempt_count */
50a34dbd612925 Kyle McMartin 2006-03-24 976 mfctl %cr30, %r1
50a34dbd612925 Kyle McMartin 2006-03-24 @977 LDREG TI_PRE_COUNT(%r1), %r19
872f6debcae633 Kyle McMartin 2008-05-15 978 cmpib,COND(<>) 0, %r19, intr_restore /* if preempt_count > 0 */
50a34dbd612925 Kyle McMartin 2006-03-24 979 nop /* prev insn branched backwards */
50a34dbd612925 Kyle McMartin 2006-03-24 980
50a34dbd612925 Kyle McMartin 2006-03-24 981 /* check if we interrupted a critical path */
50a34dbd612925 Kyle McMartin 2006-03-24 982 LDREG PT_PSW(%r16), %r20
50a34dbd612925 Kyle McMartin 2006-03-24 983 bb,<,n %r20, 31 - PSW_SM_I, intr_restore
50a34dbd612925 Kyle McMartin 2006-03-24 984 nop
50a34dbd612925 Kyle McMartin 2006-03-24 985
00e35f2b0e8acb Helge Deller 2021-01-26 986 /* ssm PSW_SM_I done later in intr_restore */
00e35f2b0e8acb Helge Deller 2021-01-26 987 #ifdef CONFIG_MLONGCALLS
00e35f2b0e8acb Helge Deller 2021-01-26 988 ldil L%intr_restore, %r2
00e35f2b0e8acb Helge Deller 2021-01-26 989 load32 preempt_schedule_irq, %r1
00e35f2b0e8acb Helge Deller 2021-01-26 990 bv %r0(%r1)
00e35f2b0e8acb Helge Deller 2021-01-26 991 ldo R%intr_restore(%r2), %r2
00e35f2b0e8acb Helge Deller 2021-01-26 992 #else
00e35f2b0e8acb Helge Deller 2021-01-26 993 ldil L%intr_restore, %r1
50a34dbd612925 Kyle McMartin 2006-03-24 994 BL preempt_schedule_irq, %r2
00e35f2b0e8acb Helge Deller 2021-01-26 995 ldo R%intr_restore(%r1), %r2
00e35f2b0e8acb Helge Deller 2021-01-26 996 #endif
09613e8320cda1 Thomas Gleixner 2019-10-15 997 #endif /* CONFIG_PREEMPTION */
^1da177e4c3f41 Linus Torvalds 2005-04-16 998
^1da177e4c3f41 Linus Torvalds 2005-04-16 999 /*
^1da177e4c3f41 Linus Torvalds 2005-04-16 1000 * External interrupts.
^1da177e4c3f41 Linus Torvalds 2005-04-16 1001 */
^1da177e4c3f41 Linus Torvalds 2005-04-16 1002
^1da177e4c3f41 Linus Torvalds 2005-04-16 1003 intr_extint:
872f6debcae633 Kyle McMartin 2008-05-15 1004 cmpib,COND(=),n 0,%r16,1f
6cc4525d29e22a Kyle McMartin 2007-10-18 1005
^1da177e4c3f41 Linus Torvalds 2005-04-16 1006 get_stack_use_cr30
6cc4525d29e22a Kyle McMartin 2007-10-18 1007 b,n 2f
^1da177e4c3f41 Linus Torvalds 2005-04-16 1008
^1da177e4c3f41 Linus Torvalds 2005-04-16 1009 1:
^1da177e4c3f41 Linus Torvalds 2005-04-16 1010 get_stack_use_r30
6cc4525d29e22a Kyle McMartin 2007-10-18 1011 2:
^1da177e4c3f41 Linus Torvalds 2005-04-16 1012 save_specials %r29
^1da177e4c3f41 Linus Torvalds 2005-04-16 1013 virt_map
^1da177e4c3f41 Linus Torvalds 2005-04-16 1014 save_general %r29
^1da177e4c3f41 Linus Torvalds 2005-04-16 1015
^1da177e4c3f41 Linus Torvalds 2005-04-16 1016 ldo PT_FR0(%r29), %r24
^1da177e4c3f41 Linus Torvalds 2005-04-16 1017 save_fp %r24
^1da177e4c3f41 Linus Torvalds 2005-04-16 1018
^1da177e4c3f41 Linus Torvalds 2005-04-16 1019 loadgp
^1da177e4c3f41 Linus Torvalds 2005-04-16 1020
^1da177e4c3f41 Linus Torvalds 2005-04-16 1021 copy %r29, %r26 /* arg0 is pt_regs */
^1da177e4c3f41 Linus Torvalds 2005-04-16 1022 copy %r29, %r16 /* save pt_regs */
^1da177e4c3f41 Linus Torvalds 2005-04-16 1023
^1da177e4c3f41 Linus Torvalds 2005-04-16 1024 ldil L%intr_return, %r2
^1da177e4c3f41 Linus Torvalds 2005-04-16 1025
:::::: The code at line 977 was first introduced by commit
:::::: 50a34dbd612925f2ec55b1781632835ef36b97d5 [PARISC] Add PREEMPT support
:::::: TO: Kyle McMartin <kyle@...isc-linux.org>
:::::: CC: Kyle McMartin <kyle@...a.kernel.org>
--
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