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Message-ID: <202210220758.zTz2d8Mt-lkp@intel.com>
Date: Sat, 22 Oct 2022 07:13:16 +0800
From: kernel test robot <lkp@...el.com>
To: Jiri Kosina <jikos@...nel.org>,
Christoph Lameter <cl@...ux-foundation.org>,
Pekka Enberg <penberg@...nel.org>,
David Rientjes <rientjes@...gle.com>,
Joonsoo Kim <iamjoonsoo.kim@....com>,
Andrew Morton <akpm@...ux-foundation.org>,
Vlastimil Babka <vbabka@...e.cz>,
Roman Gushchin <roman.gushchin@...ux.dev>,
Hyeonggon Yoo <42.hyeyoo@...il.com>
Cc: llvm@...ts.linux.dev, kbuild-all@...ts.01.org,
Linux Memory Management List <linux-mm@...ck.org>,
linux-kernel@...r.kernel.org
Subject: Re: [PATCH] mm/slab: Annotate kmem_cache_node->list_lock as raw
Hi Jiri,
I love your patch! Yet something to improve:
[auto build test ERROR on akpm-mm/mm-everything]
url: https://github.com/intel-lab-lkp/linux/commits/Jiri-Kosina/mm-slab-Annotate-kmem_cache_node-list_lock-as-raw/20221021-225037
base: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything
patch link: https://lore.kernel.org/r/nycvar.YFH.7.76.2210211643330.29912%40cbobk.fhfr.pm
patch subject: [PATCH] mm/slab: Annotate kmem_cache_node->list_lock as raw
config: mips-bcm63xx_defconfig
compiler: clang version 16.0.0 (https://github.com/llvm/llvm-project 791a7ae1ba3efd6bca96338e10ffde557ba83920)
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
# install mips cross compiling tool for clang build
# apt-get install binutils-mips-linux-gnu
# https://github.com/intel-lab-lkp/linux/commit/709b8ca6934319e9e8e0519baa3ac2bb4f634451
git remote add linux-review https://github.com/intel-lab-lkp/linux
git fetch --no-tags linux-review Jiri-Kosina/mm-slab-Annotate-kmem_cache_node-list_lock-as-raw/20221021-225037
git checkout 709b8ca6934319e9e8e0519baa3ac2bb4f634451
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=mips SHELL=/bin/bash
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 >>):
^
mm/slub.c:2508:27: error: incompatible pointer types passing 'raw_spinlock_t *' (aka 'struct raw_spinlock *') to parameter of type 'spinlock_t *' (aka 'struct spinlock *') [-Werror,-Wincompatible-pointer-types]
spin_unlock_irqrestore(&n->list_lock, flags);
^~~~~~~~~~~~~
include/linux/spinlock.h:403:64: note: passing argument to parameter 'lock' here
static __always_inline void spin_unlock_irqrestore(spinlock_t *lock, unsigned long flags)
^
mm/slub.c:2515:26: error: incompatible pointer types passing 'raw_spinlock_t *' (aka 'struct raw_spinlock *') to parameter of type 'spinlock_t *' (aka 'struct spinlock *') [-Werror,-Wincompatible-pointer-types]
spin_unlock_irqrestore(&n->list_lock, flags);
^~~~~~~~~~~~~
include/linux/spinlock.h:403:64: note: passing argument to parameter 'lock' here
static __always_inline void spin_unlock_irqrestore(spinlock_t *lock, unsigned long flags)
^
mm/slub.c:2523:26: error: incompatible pointer types passing 'raw_spinlock_t *' (aka 'struct raw_spinlock *') to parameter of type 'spinlock_t *' (aka 'struct spinlock *') [-Werror,-Wincompatible-pointer-types]
spin_unlock_irqrestore(&n->list_lock, flags);
^~~~~~~~~~~~~
include/linux/spinlock.h:403:64: note: passing argument to parameter 'lock' here
static __always_inline void spin_unlock_irqrestore(spinlock_t *lock, unsigned long flags)
^
mm/slub.c:2946:20: error: incompatible pointer types passing 'raw_spinlock_t *' (aka 'struct raw_spinlock *') to parameter of type 'spinlock_t *' (aka 'struct spinlock *') [-Werror,-Wincompatible-pointer-types]
spin_lock_irqsave(&n->list_lock, flags);
^~~~~~~~~~~~~
include/linux/spinlock.h:380:39: note: expanded from macro 'spin_lock_irqsave'
raw_spin_lock_irqsave(spinlock_check(lock), flags); \
^~~~
include/linux/spinlock.h:265:26: note: expanded from macro 'raw_spin_lock_irqsave'
_raw_spin_lock_irqsave(lock, flags); \
^~~~
include/linux/spinlock_api_up.h:69:60: note: expanded from macro '_raw_spin_lock_irqsave'
#define _raw_spin_lock_irqsave(lock, flags) __LOCK_IRQSAVE(lock, flags)
^~~~
include/linux/spinlock_api_up.h:40:38: note: expanded from macro '__LOCK_IRQSAVE'
do { local_irq_save(flags); __LOCK(lock); } while (0)
^~~~
include/linux/spinlock_api_up.h:31:35: note: expanded from macro '__LOCK'
do { preempt_disable(); ___LOCK(lock); } while (0)
^~~~
include/linux/spinlock_api_up.h:28:32: note: expanded from macro '___LOCK'
do { __acquire(lock); (void)(lock); } while (0)
^~~~
include/linux/spinlock.h:323:67: note: passing argument to parameter 'lock' here
static __always_inline raw_spinlock_t *spinlock_check(spinlock_t *lock)
^
mm/slub.c:2949:25: error: incompatible pointer types passing 'raw_spinlock_t *' (aka 'struct raw_spinlock *') to parameter of type 'spinlock_t *' (aka 'struct spinlock *') [-Werror,-Wincompatible-pointer-types]
spin_unlock_irqrestore(&n->list_lock, flags);
^~~~~~~~~~~~~
include/linux/spinlock.h:403:64: note: passing argument to parameter 'lock' here
static __always_inline void spin_unlock_irqrestore(spinlock_t *lock, unsigned long flags)
^
mm/slub.c:3483:27: error: incompatible pointer types passing 'raw_spinlock_t *' (aka 'struct raw_spinlock *') to parameter of type 'spinlock_t *' (aka 'struct spinlock *') [-Werror,-Wincompatible-pointer-types]
spin_unlock_irqrestore(&n->list_lock, flags);
^~~~~~~~~~~~~
include/linux/spinlock.h:403:64: note: passing argument to parameter 'lock' here
static __always_inline void spin_unlock_irqrestore(spinlock_t *lock, unsigned long flags)
^
mm/slub.c:3515:23: error: incompatible pointer types passing 'raw_spinlock_t *' (aka 'struct raw_spinlock *') to parameter of type 'spinlock_t *' (aka 'struct spinlock *') [-Werror,-Wincompatible-pointer-types]
spin_lock_irqsave(&n->list_lock, flags);
^~~~~~~~~~~~~
include/linux/spinlock.h:380:39: note: expanded from macro 'spin_lock_irqsave'
raw_spin_lock_irqsave(spinlock_check(lock), flags); \
^~~~
include/linux/spinlock.h:265:26: note: expanded from macro 'raw_spin_lock_irqsave'
_raw_spin_lock_irqsave(lock, flags); \
^~~~
include/linux/spinlock_api_up.h:69:60: note: expanded from macro '_raw_spin_lock_irqsave'
#define _raw_spin_lock_irqsave(lock, flags) __LOCK_IRQSAVE(lock, flags)
^~~~
include/linux/spinlock_api_up.h:40:38: note: expanded from macro '__LOCK_IRQSAVE'
do { local_irq_save(flags); __LOCK(lock); } while (0)
^~~~
include/linux/spinlock_api_up.h:31:35: note: expanded from macro '__LOCK'
do { preempt_disable(); ___LOCK(lock); } while (0)
^~~~
include/linux/spinlock_api_up.h:28:32: note: expanded from macro '___LOCK'
do { __acquire(lock); (void)(lock); } while (0)
^~~~
include/linux/spinlock.h:323:67: note: passing argument to parameter 'lock' here
static __always_inline raw_spinlock_t *spinlock_check(spinlock_t *lock)
^
mm/slub.c:3557:25: error: incompatible pointer types passing 'raw_spinlock_t *' (aka 'struct raw_spinlock *') to parameter of type 'spinlock_t *' (aka 'struct spinlock *') [-Werror,-Wincompatible-pointer-types]
spin_unlock_irqrestore(&n->list_lock, flags);
^~~~~~~~~~~~~
include/linux/spinlock.h:403:64: note: passing argument to parameter 'lock' here
static __always_inline void spin_unlock_irqrestore(spinlock_t *lock, unsigned long flags)
^
mm/slub.c:3572:25: error: incompatible pointer types passing 'raw_spinlock_t *' (aka 'struct raw_spinlock *') to parameter of type 'spinlock_t *' (aka 'struct spinlock *') [-Werror,-Wincompatible-pointer-types]
spin_unlock_irqrestore(&n->list_lock, flags);
^~~~~~~~~~~~~
include/linux/spinlock.h:403:64: note: passing argument to parameter 'lock' here
static __always_inline void spin_unlock_irqrestore(spinlock_t *lock, unsigned long flags)
^
mm/slub.c:4008:17: error: incompatible pointer types passing 'raw_spinlock_t *' (aka 'struct raw_spinlock *') to parameter of type 'spinlock_t *' (aka 'struct spinlock *') [-Werror,-Wincompatible-pointer-types]
spin_lock_init(&n->list_lock);
^~~~~~~~~~~~~
include/linux/spinlock.h:342:17: note: expanded from macro 'spin_lock_init'
spinlock_check(_lock); \
^~~~~
include/linux/spinlock.h:323:67: note: passing argument to parameter 'lock' here
static __always_inline raw_spinlock_t *spinlock_check(spinlock_t *lock)
^
>> mm/slub.c:4008:2: error: assigning to 'raw_spinlock_t' (aka 'struct raw_spinlock') from incompatible type 'spinlock_t' (aka 'struct spinlock')
spin_lock_init(&n->list_lock);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/spinlock.h:343:11: note: expanded from macro 'spin_lock_init'
*(_lock) = __SPIN_LOCK_UNLOCKED(_lock); \
^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~
mm/slub.c:4393:16: error: incompatible pointer types passing 'raw_spinlock_t *' (aka 'struct raw_spinlock *') to parameter of type 'spinlock_t *' (aka 'struct spinlock *') [-Werror,-Wincompatible-pointer-types]
spin_lock_irq(&n->list_lock);
^~~~~~~~~~~~~
include/linux/spinlock.h:373:55: note: passing argument to parameter 'lock' here
static __always_inline void spin_lock_irq(spinlock_t *lock)
^
mm/slub.c:4403:18: error: incompatible pointer types passing 'raw_spinlock_t *' (aka 'struct raw_spinlock *') to parameter of type 'spinlock_t *' (aka 'struct spinlock *') [-Werror,-Wincompatible-pointer-types]
spin_unlock_irq(&n->list_lock);
^~~~~~~~~~~~~
include/linux/spinlock.h:398:57: note: passing argument to parameter 'lock' here
static __always_inline void spin_unlock_irq(spinlock_t *lock)
^
fatal error: too many errors emitted, stopping now [-ferror-limit=]
1 warning and 20 errors generated.
vim +4008 mm/slub.c
81819f0fc8285a Christoph Lameter 2007-05-06 4003
5595cffc8248e4 Pekka Enberg 2008-08-05 4004 static void
4053497d6a3771 Joonsoo Kim 2012-05-11 4005 init_kmem_cache_node(struct kmem_cache_node *n)
81819f0fc8285a Christoph Lameter 2007-05-06 4006 {
81819f0fc8285a Christoph Lameter 2007-05-06 4007 n->nr_partial = 0;
81819f0fc8285a Christoph Lameter 2007-05-06 @4008 spin_lock_init(&n->list_lock);
81819f0fc8285a Christoph Lameter 2007-05-06 4009 INIT_LIST_HEAD(&n->partial);
8ab1372fac5684 Christoph Lameter 2007-07-17 4010 #ifdef CONFIG_SLUB_DEBUG
0f389ec6307752 Christoph Lameter 2008-04-14 4011 atomic_long_set(&n->nr_slabs, 0);
02b71b70129aaa Salman Qazi 2008-09-11 4012 atomic_long_set(&n->total_objects, 0);
643b113849d8fa Christoph Lameter 2007-05-06 4013 INIT_LIST_HEAD(&n->full);
8ab1372fac5684 Christoph Lameter 2007-07-17 4014 #endif
81819f0fc8285a Christoph Lameter 2007-05-06 4015 }
81819f0fc8285a Christoph Lameter 2007-05-06 4016
--
0-DAY CI Kernel Test Service
https://01.org/lkp
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