From: kernel test robot <lkp@intel.com>
To: kbuild@lists.01.org
Subject: include/linux/spinlock.h:379:9: sparse: sparse: context imbalance in 'vkms_crtc_atomic_begin' - wrong count at exit
Date: Fri, 09 Jul 2021 14:57:00 +0800 [thread overview]
Message-ID: <202107091447.3obxwUHb-lkp@intel.com> (raw)
[-- Attachment #1: Type: text/plain, Size: 3435 bytes --]
CC: kbuild-all(a)lists.01.org
CC: linux-kernel(a)vger.kernel.org
TO: Nicholas Piggin <npiggin@gmail.com>
CC: Peter Zijlstra <peterz@infradead.org>
CC: "Steven Rostedt (VMware)" <rostedt@goodmis.org>
CC: Thomas Gleixner <tglx@linutronix.de>
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: f55966571d5eb2876a11e48e798b4592fa1ffbb7
commit: 044d0d6de9f50192f9697583504a382347ee95ca lockdep: Only trace IRQ edges
date: 11 months ago
:::::: branch date: 11 hours ago
:::::: commit date: 11 months ago
config: mips-randconfig-s031-20210709 (attached as .config)
compiler: mips-linux-gcc (GCC) 9.3.0
reproduce:
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# apt-get install sparse
# sparse version: v0.6.3-341-g8af24329-dirty
# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=044d0d6de9f50192f9697583504a382347ee95ca
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout 044d0d6de9f50192f9697583504a382347ee95ca
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=mips SHELL=/bin/bash drivers/gpu/drm/vkms/
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
sparse warnings: (new ones prefixed by >>)
command-line: note: in included file:
builtin:1:9: sparse: sparse: preprocessor token __ATOMIC_ACQUIRE redefined
builtin:0:0: sparse: this was the original definition
builtin:1:9: sparse: sparse: preprocessor token __ATOMIC_SEQ_CST redefined
builtin:0:0: sparse: this was the original definition
builtin:1:9: sparse: sparse: preprocessor token __ATOMIC_ACQ_REL redefined
builtin:0:0: sparse: this was the original definition
builtin:1:9: sparse: sparse: preprocessor token __ATOMIC_RELEASE redefined
builtin:0:0: sparse: this was the original definition
drivers/gpu/drm/vkms/vkms_crtc.c: note: in included file (through include/linux/radix-tree.h, include/linux/idr.h, include/linux/kernfs.h, ...):
>> include/linux/spinlock.h:379:9: sparse: sparse: context imbalance in 'vkms_crtc_atomic_begin' - wrong count at exit
drivers/gpu/drm/vkms/vkms_crtc.c:252:39: sparse: sparse: context imbalance in 'vkms_crtc_atomic_flush' - unexpected unlock
vim +/vkms_crtc_atomic_begin +379 include/linux/spinlock.h
c2f21ce2e31286 Thomas Gleixner 2009-12-02 376
3490565b633c70 Denys Vlasenko 2015-07-13 377 static __always_inline void spin_lock_irq(spinlock_t *lock)
c2f21ce2e31286 Thomas Gleixner 2009-12-02 378 {
c2f21ce2e31286 Thomas Gleixner 2009-12-02 @379 raw_spin_lock_irq(&lock->rlock);
c2f21ce2e31286 Thomas Gleixner 2009-12-02 380 }
c2f21ce2e31286 Thomas Gleixner 2009-12-02 381
:::::: The code at line 379 was first introduced by commit
:::::: c2f21ce2e31286a0a32f8da0a7856e9ca1122ef3 locking: Implement new raw_spinlock
:::::: TO: Thomas Gleixner <tglx@linutronix.de>
:::::: CC: Thomas Gleixner <tglx@linutronix.de>
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org
[-- Attachment #2: config.gz --]
[-- Type: application/gzip, Size: 17733 bytes --]
next reply other threads:[~2021-07-09 6:57 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-07-09 6:57 kernel test robot [this message]
-- strict thread matches above, loose matches on Subject: below --
2021-06-12 6:28 include/linux/spinlock.h:379:9: sparse: sparse: context imbalance in 'vkms_crtc_atomic_begin' - wrong count at exit kernel test robot
2020-12-21 22:31 kernel test robot
2020-12-21 22:03 kernel test robot
2020-12-21 19:45 kernel test robot
2020-12-21 18:36 kernel test robot
2020-12-21 7:08 kernel test robot
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=202107091447.3obxwUHb-lkp@intel.com \
--to=lkp@intel.com \
--cc=kbuild@lists.01.org \
/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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.