From: kernel test robot <lkp@intel.com>
To: Nicholas Piggin <npiggin@gmail.com>, linux-arch@vger.kernel.org
Cc: kbuild-all@lists.01.org, Nicholas Piggin <npiggin@gmail.com>,
linux-kernel@vger.kernel.org, linux-mm@kvack.org,
Arnd Bergmann <arnd@arndb.de>
Subject: Re: [PATCH v2 01/23] asm-generic: add generic MMU versions of mmu context functions
Date: Thu, 27 Aug 2020 02:13:05 +0800 [thread overview]
Message-ID: <202008270232.127xulnY%lkp@intel.com> (raw)
In-Reply-To: <20200826145249.745432-2-npiggin@gmail.com>
[-- Attachment #1: Type: text/plain, Size: 5175 bytes --]
Hi Nicholas,
I love your patch! Yet something to improve:
[auto build test ERROR on linus/master]
[also build test ERROR on asm-generic/master sparc-next/master xtensa/for_next v5.9-rc2 next-20200826]
[cannot apply to sparc/master]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]
url: https://github.com/0day-ci/linux/commits/Nicholas-Piggin/Use-asm-generic-for-mmu_context-no-op-functions/20200826-225632
base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 2ac69819ba9e3d8d550bb5d2d2df74848e556812
config: c6x-allyesconfig (attached as .config)
compiler: c6x-elf-gcc (GCC) 9.3.0
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
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=c6x
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
All errors (new ones prefixed by >>):
In file included from ./arch/c6x/include/generated/asm/mmu_context.h:1,
from kernel/fork.c:101:
include/asm-generic/mmu_context.h: In function 'activate_mm':
>> include/asm-generic/mmu_context.h:59:2: error: implicit declaration of function 'switch_mm' [-Werror=implicit-function-declaration]
59 | switch_mm(prev_mm, next_mm, current);
| ^~~~~~~~~
kernel/fork.c: At top level:
kernel/fork.c:160:13: warning: no previous prototype for 'arch_release_task_struct' [-Wmissing-prototypes]
160 | void __weak arch_release_task_struct(struct task_struct *tsk)
| ^~~~~~~~~~~~~~~~~~~~~~~~
kernel/fork.c:743:20: warning: no previous prototype for 'arch_task_cache_init' [-Wmissing-prototypes]
743 | void __init __weak arch_task_cache_init(void) { }
| ^~~~~~~~~~~~~~~~~~~~
kernel/fork.c:834:12: warning: no previous prototype for 'arch_dup_task_struct' [-Wmissing-prototypes]
834 | int __weak arch_dup_task_struct(struct task_struct *dst,
| ^~~~~~~~~~~~~~~~~~~~
cc1: some warnings being treated as errors
--
In file included from ./arch/c6x/include/generated/asm/mmu_context.h:1,
from kernel/exit.c:69:
include/asm-generic/mmu_context.h: In function 'activate_mm':
>> include/asm-generic/mmu_context.h:59:2: error: implicit declaration of function 'switch_mm' [-Werror=implicit-function-declaration]
59 | switch_mm(prev_mm, next_mm, current);
| ^~~~~~~~~
kernel/exit.c: At top level:
kernel/exit.c:1754:13: warning: no previous prototype for 'abort' [-Wmissing-prototypes]
1754 | __weak void abort(void)
| ^~~~~
cc1: some warnings being treated as errors
--
In file included from ./arch/c6x/include/generated/asm/mmu_context.h:1,
from include/linux/mmu_context.h:5,
from kernel/kthread.c:12:
include/asm-generic/mmu_context.h: In function 'activate_mm':
>> include/asm-generic/mmu_context.h:59:2: error: implicit declaration of function 'switch_mm' [-Werror=implicit-function-declaration]
59 | switch_mm(prev_mm, next_mm, current);
| ^~~~~~~~~
cc1: some warnings being treated as errors
--
In file included from ./arch/c6x/include/generated/asm/mmu_context.h:1,
from include/linux/mmu_context.h:5,
from kernel/sched/sched.h:54,
from kernel/sched/rt.c:6:
include/asm-generic/mmu_context.h: In function 'activate_mm':
>> include/asm-generic/mmu_context.h:59:2: error: implicit declaration of function 'switch_mm' [-Werror=implicit-function-declaration]
59 | switch_mm(prev_mm, next_mm, current);
| ^~~~~~~~~
kernel/sched/rt.c: At top level:
kernel/sched/rt.c:668:6: warning: no previous prototype for 'sched_rt_bandwidth_account' [-Wmissing-prototypes]
668 | bool sched_rt_bandwidth_account(struct rt_rq *rt_rq)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
cc1: some warnings being treated as errors
# https://github.com/0day-ci/linux/commit/96f6fa7969b31878ea85427182e4d9201ab3f592
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Nicholas-Piggin/Use-asm-generic-for-mmu_context-no-op-functions/20200826-225632
git checkout 96f6fa7969b31878ea85427182e4d9201ab3f592
vim +/switch_mm +59 include/asm-generic/mmu_context.h
49
50 /**
51 * activate_mm - called after exec switches the current task to a new mm, to switch to it
52 * @prev_mm: previous mm of this task
53 * @next_mm: new mm
54 */
55 #ifndef activate_mm
56 static inline void activate_mm(struct mm_struct *prev_mm,
57 struct mm_struct *next_mm)
58 {
> 59 switch_mm(prev_mm, next_mm, current);
60 }
61 #endif
62
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
[-- Attachment #2: .config.gz --]
[-- Type: application/gzip, Size: 54051 bytes --]
next prev parent reply other threads:[~2020-08-26 18:14 UTC|newest]
Thread overview: 50+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-08-26 14:52 [PATCH v2 00/23] Use asm-generic for mmu_context no-op functions Nicholas Piggin
2020-08-26 14:52 ` [PATCH v2 01/23] asm-generic: add generic MMU versions of mmu context functions Nicholas Piggin
2020-08-26 18:13 ` kernel test robot [this message]
2020-09-01 6:49 ` Mike Rapoport
2020-09-01 7:14 ` Nicholas Piggin
2020-08-26 14:52 ` [PATCH v2 02/23] alpha: use asm-generic/mmu_context.h for no-op implementations Nicholas Piggin
2020-08-26 14:52 ` [PATCH v2 03/23] arc: " Nicholas Piggin
2020-08-26 14:52 ` [PATCH v2 04/23] arm: " Nicholas Piggin
2020-08-26 14:52 ` [PATCH v2 05/23] arm64: " Nicholas Piggin
2020-08-26 15:25 ` Catalin Marinas
2020-08-26 16:20 ` Nicholas Piggin
2020-10-27 9:59 ` Naresh Kamboju
2020-10-27 15:08 ` Arnd Bergmann
2020-08-26 18:42 ` kernel test robot
2020-08-26 18:57 ` kernel test robot
2020-08-26 23:55 ` kernel test robot
2020-08-26 14:52 ` [PATCH v2 06/23] csky: " Nicholas Piggin
2020-08-26 14:52 ` [PATCH v2 07/23] hexagon: " Nicholas Piggin
2020-08-26 14:52 ` [PATCH v2 08/23] ia64: " Nicholas Piggin
2020-08-26 14:52 ` [PATCH v2 09/23] m68k: " Nicholas Piggin
2020-08-27 9:33 ` Geert Uytterhoeven
2020-09-01 6:23 ` Nicholas Piggin
2020-09-01 7:03 ` Geert Uytterhoeven
2020-09-01 7:50 ` Nicholas Piggin
2020-08-26 14:52 ` [PATCH v2 10/23] microblaze: " Nicholas Piggin
2020-08-31 14:15 ` Michal Simek
2020-09-01 6:15 ` Nicholas Piggin
2020-09-01 6:41 ` Michal Simek
2020-09-01 7:09 ` Nicholas Piggin
2020-08-26 14:52 ` [PATCH v2 11/23] mips: " Nicholas Piggin
2020-08-26 14:52 ` [PATCH v2 12/23] nds32: " Nicholas Piggin
2020-08-28 10:09 ` Greentime Hu
2020-08-26 14:52 ` [PATCH v2 13/23] nios2: " Nicholas Piggin
2020-08-26 14:52 ` [PATCH v2 14/23] openrisc: " Nicholas Piggin
2020-08-26 14:52 ` [PATCH v2 15/23] parisc: " Nicholas Piggin
2020-08-29 9:09 ` Helge Deller
2020-08-26 14:52 ` [PATCH v2 16/23] powerpc: " Nicholas Piggin
2020-09-01 7:30 ` Michael Ellerman
2020-08-26 14:52 ` [PATCH v2 17/23] riscv: " Nicholas Piggin
2020-08-26 16:42 ` Pekka Enberg
2020-08-26 14:52 ` [PATCH v2 18/23] s390: " Nicholas Piggin
2020-08-26 14:52 ` [PATCH v2 19/23] sh: " Nicholas Piggin
2020-08-26 14:52 ` [PATCH v2 20/23] sparc: " Nicholas Piggin
2020-08-26 14:52 ` [PATCH v2 21/23] um: " Nicholas Piggin
2020-08-26 14:52 ` [PATCH v2 22/23] x86: " Nicholas Piggin
2020-08-26 14:52 ` [PATCH v2 23/23] xtensa: " Nicholas Piggin
2020-08-26 20:12 ` [PATCH v2 00/23] Use asm-generic for mmu_context no-op functions Arnd Bergmann
2020-08-30 10:18 ` Mike Rapoport
2020-09-01 6:17 ` Nicholas Piggin
2020-09-01 6:54 ` Mike Rapoport
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=202008270232.127xulnY%lkp@intel.com \
--to=lkp@intel.com \
--cc=arnd@arndb.de \
--cc=kbuild-all@lists.01.org \
--cc=linux-arch@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=npiggin@gmail.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).