From: kernel test robot <lkp@intel.com>
To: Kumar Kartikeya Dwivedi <memxor@gmail.com>,
bpf@vger.kernel.org, linux-kernel@vger.kernel.org
Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev,
Peter Zijlstra <peterz@infradead.org>,
Waiman Long <llong@redhat.com>,
Alexei Starovoitov <ast@kernel.org>,
Andrii Nakryiko <andrii@kernel.org>,
Daniel Borkmann <daniel@iogearbox.net>,
Martin KaFai Lau <martin.lau@kernel.org>,
Eduard Zingerman <eddyz87@gmail.com>,
"Paul E. McKenney" <paulmck@kernel.org>,
Tejun Heo <tj@kernel.org>, Barret Rhoden <brho@google.com>,
Josh Don <joshdon@google.com>, Dohyun Kim <dohyunkim@google.com>,
kernel-team@meta.com
Subject: Re: [PATCH bpf-next v1 20/22] bpf: Introduce rqspinlock kfuncs
Date: Wed, 8 Jan 2025 18:44:30 +0800 [thread overview]
Message-ID: <202501081854.xzCcM6nm-lkp@intel.com> (raw)
In-Reply-To: <20250107140004.2732830-21-memxor@gmail.com>
Hi Kumar,
kernel test robot noticed the following build errors:
[auto build test ERROR on f44275e7155dc310d36516fc25be503da099781c]
url: https://github.com/intel-lab-lkp/linux/commits/Kumar-Kartikeya-Dwivedi/locking-Move-MCS-struct-definition-to-public-header/20250107-220615
base: f44275e7155dc310d36516fc25be503da099781c
patch link: https://lore.kernel.org/r/20250107140004.2732830-21-memxor%40gmail.com
patch subject: [PATCH bpf-next v1 20/22] bpf: Introduce rqspinlock kfuncs
config: um-allnoconfig (https://download.01.org/0day-ci/archive/20250108/202501081854.xzCcM6nm-lkp@intel.com/config)
compiler: clang version 18.1.8 (https://github.com/llvm/llvm-project 3b5b5c1ec4a3095ab096dd780e84d7ab81f3d7ff)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250108/202501081854.xzCcM6nm-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/202501081854.xzCcM6nm-lkp@intel.com/
All error/warnings (new ones prefixed by >>):
In file included from fs/kernfs/mount.c:22:
In file included from fs/kernfs/kernfs-internal.h:20:
In file included from include/linux/fs_context.h:14:
In file included from include/linux/security.h:35:
In file included from include/linux/bpf.h:33:
In file included from arch/x86/include/asm/rqspinlock.h:18:
In file included from include/asm-generic/rqspinlock.h:15:
In file included from arch/x86/include/asm/qspinlock.h:7:
>> include/asm-generic/qspinlock_types.h:44:3: error: typedef redefinition with different types ('struct qspinlock' vs 'struct arch_spinlock_t')
44 | } arch_spinlock_t;
| ^
include/linux/spinlock_types_up.h:25:20: note: previous definition is here
25 | typedef struct { } arch_spinlock_t;
| ^
In file included from fs/kernfs/mount.c:22:
In file included from fs/kernfs/kernfs-internal.h:20:
In file included from include/linux/fs_context.h:14:
In file included from include/linux/security.h:35:
In file included from include/linux/bpf.h:33:
In file included from arch/x86/include/asm/rqspinlock.h:18:
In file included from include/asm-generic/rqspinlock.h:15:
In file included from arch/x86/include/asm/qspinlock.h:7:
>> include/asm-generic/qspinlock_types.h:49:9: warning: '__ARCH_SPIN_LOCK_UNLOCKED' macro redefined [-Wmacro-redefined]
49 | #define __ARCH_SPIN_LOCK_UNLOCKED { { .val = ATOMIC_INIT(0) } }
| ^
include/linux/spinlock_types_up.h:27:9: note: previous definition is here
27 | #define __ARCH_SPIN_LOCK_UNLOCKED { }
| ^
In file included from fs/kernfs/mount.c:22:
In file included from fs/kernfs/kernfs-internal.h:20:
In file included from include/linux/fs_context.h:14:
In file included from include/linux/security.h:35:
In file included from include/linux/bpf.h:33:
In file included from arch/x86/include/asm/rqspinlock.h:18:
In file included from include/asm-generic/rqspinlock.h:15:
In file included from arch/x86/include/asm/qspinlock.h:114:
>> include/asm-generic/qspinlock.h:144:9: warning: 'arch_spin_is_locked' macro redefined [-Wmacro-redefined]
144 | #define arch_spin_is_locked(l) queued_spin_is_locked(l)
| ^
include/linux/spinlock_up.h:62:9: note: previous definition is here
62 | #define arch_spin_is_locked(lock) ((void)(lock), 0)
| ^
In file included from fs/kernfs/mount.c:22:
In file included from fs/kernfs/kernfs-internal.h:20:
In file included from include/linux/fs_context.h:14:
In file included from include/linux/security.h:35:
In file included from include/linux/bpf.h:33:
In file included from arch/x86/include/asm/rqspinlock.h:18:
In file included from include/asm-generic/rqspinlock.h:15:
In file included from arch/x86/include/asm/qspinlock.h:114:
>> include/asm-generic/qspinlock.h:145:9: warning: 'arch_spin_is_contended' macro redefined [-Wmacro-redefined]
145 | #define arch_spin_is_contended(l) queued_spin_is_contended(l)
| ^
include/linux/spinlock_up.h:69:9: note: previous definition is here
69 | #define arch_spin_is_contended(lock) (((void)(lock), 0))
| ^
In file included from fs/kernfs/mount.c:22:
In file included from fs/kernfs/kernfs-internal.h:20:
In file included from include/linux/fs_context.h:14:
In file included from include/linux/security.h:35:
In file included from include/linux/bpf.h:33:
In file included from arch/x86/include/asm/rqspinlock.h:18:
In file included from include/asm-generic/rqspinlock.h:15:
In file included from arch/x86/include/asm/qspinlock.h:114:
>> include/asm-generic/qspinlock.h:147:9: warning: 'arch_spin_lock' macro redefined [-Wmacro-redefined]
147 | #define arch_spin_lock(l) queued_spin_lock(l)
| ^
include/linux/spinlock_up.h:64:10: note: previous definition is here
64 | # define arch_spin_lock(lock) do { barrier(); (void)(lock); } while (0)
| ^
In file included from fs/kernfs/mount.c:22:
In file included from fs/kernfs/kernfs-internal.h:20:
In file included from include/linux/fs_context.h:14:
In file included from include/linux/security.h:35:
In file included from include/linux/bpf.h:33:
In file included from arch/x86/include/asm/rqspinlock.h:18:
In file included from include/asm-generic/rqspinlock.h:15:
In file included from arch/x86/include/asm/qspinlock.h:114:
>> include/asm-generic/qspinlock.h:148:9: warning: 'arch_spin_trylock' macro redefined [-Wmacro-redefined]
148 | #define arch_spin_trylock(l) queued_spin_trylock(l)
| ^
include/linux/spinlock_up.h:66:10: note: previous definition is here
66 | # define arch_spin_trylock(lock) ({ barrier(); (void)(lock); 1; })
| ^
In file included from fs/kernfs/mount.c:22:
In file included from fs/kernfs/kernfs-internal.h:20:
In file included from include/linux/fs_context.h:14:
In file included from include/linux/security.h:35:
In file included from include/linux/bpf.h:33:
In file included from arch/x86/include/asm/rqspinlock.h:18:
In file included from include/asm-generic/rqspinlock.h:15:
In file included from arch/x86/include/asm/qspinlock.h:114:
>> include/asm-generic/qspinlock.h:149:9: warning: 'arch_spin_unlock' macro redefined [-Wmacro-redefined]
149 | #define arch_spin_unlock(l) queued_spin_unlock(l)
| ^
include/linux/spinlock_up.h:65:10: note: previous definition is here
65 | # define arch_spin_unlock(lock) do { barrier(); (void)(lock); } while (0)
| ^
6 warnings and 1 error generated.
--
In file included from fs/kernfs/inode.c:16:
In file included from include/linux/security.h:35:
In file included from include/linux/bpf.h:33:
In file included from arch/x86/include/asm/rqspinlock.h:18:
In file included from include/asm-generic/rqspinlock.h:15:
In file included from arch/x86/include/asm/qspinlock.h:7:
>> include/asm-generic/qspinlock_types.h:44:3: error: typedef redefinition with different types ('struct qspinlock' vs 'struct arch_spinlock_t')
44 | } arch_spinlock_t;
| ^
include/linux/spinlock_types_up.h:25:20: note: previous definition is here
25 | typedef struct { } arch_spinlock_t;
| ^
In file included from fs/kernfs/inode.c:16:
In file included from include/linux/security.h:35:
In file included from include/linux/bpf.h:33:
In file included from arch/x86/include/asm/rqspinlock.h:18:
In file included from include/asm-generic/rqspinlock.h:15:
In file included from arch/x86/include/asm/qspinlock.h:7:
>> include/asm-generic/qspinlock_types.h:49:9: warning: '__ARCH_SPIN_LOCK_UNLOCKED' macro redefined [-Wmacro-redefined]
49 | #define __ARCH_SPIN_LOCK_UNLOCKED { { .val = ATOMIC_INIT(0) } }
| ^
include/linux/spinlock_types_up.h:27:9: note: previous definition is here
27 | #define __ARCH_SPIN_LOCK_UNLOCKED { }
| ^
In file included from fs/kernfs/inode.c:16:
In file included from include/linux/security.h:35:
In file included from include/linux/bpf.h:33:
In file included from arch/x86/include/asm/rqspinlock.h:18:
In file included from include/asm-generic/rqspinlock.h:15:
In file included from arch/x86/include/asm/qspinlock.h:114:
>> include/asm-generic/qspinlock.h:144:9: warning: 'arch_spin_is_locked' macro redefined [-Wmacro-redefined]
144 | #define arch_spin_is_locked(l) queued_spin_is_locked(l)
| ^
include/linux/spinlock_up.h:62:9: note: previous definition is here
62 | #define arch_spin_is_locked(lock) ((void)(lock), 0)
| ^
In file included from fs/kernfs/inode.c:16:
In file included from include/linux/security.h:35:
In file included from include/linux/bpf.h:33:
In file included from arch/x86/include/asm/rqspinlock.h:18:
In file included from include/asm-generic/rqspinlock.h:15:
In file included from arch/x86/include/asm/qspinlock.h:114:
>> include/asm-generic/qspinlock.h:145:9: warning: 'arch_spin_is_contended' macro redefined [-Wmacro-redefined]
145 | #define arch_spin_is_contended(l) queued_spin_is_contended(l)
| ^
include/linux/spinlock_up.h:69:9: note: previous definition is here
69 | #define arch_spin_is_contended(lock) (((void)(lock), 0))
| ^
In file included from fs/kernfs/inode.c:16:
In file included from include/linux/security.h:35:
In file included from include/linux/bpf.h:33:
In file included from arch/x86/include/asm/rqspinlock.h:18:
In file included from include/asm-generic/rqspinlock.h:15:
In file included from arch/x86/include/asm/qspinlock.h:114:
>> include/asm-generic/qspinlock.h:147:9: warning: 'arch_spin_lock' macro redefined [-Wmacro-redefined]
147 | #define arch_spin_lock(l) queued_spin_lock(l)
| ^
include/linux/spinlock_up.h:64:10: note: previous definition is here
64 | # define arch_spin_lock(lock) do { barrier(); (void)(lock); } while (0)
| ^
In file included from fs/kernfs/inode.c:16:
In file included from include/linux/security.h:35:
In file included from include/linux/bpf.h:33:
In file included from arch/x86/include/asm/rqspinlock.h:18:
In file included from include/asm-generic/rqspinlock.h:15:
In file included from arch/x86/include/asm/qspinlock.h:114:
>> include/asm-generic/qspinlock.h:148:9: warning: 'arch_spin_trylock' macro redefined [-Wmacro-redefined]
148 | #define arch_spin_trylock(l) queued_spin_trylock(l)
| ^
include/linux/spinlock_up.h:66:10: note: previous definition is here
66 | # define arch_spin_trylock(lock) ({ barrier(); (void)(lock); 1; })
| ^
In file included from fs/kernfs/inode.c:16:
In file included from include/linux/security.h:35:
In file included from include/linux/bpf.h:33:
In file included from arch/x86/include/asm/rqspinlock.h:18:
In file included from include/asm-generic/rqspinlock.h:15:
In file included from arch/x86/include/asm/qspinlock.h:114:
>> include/asm-generic/qspinlock.h:149:9: warning: 'arch_spin_unlock' macro redefined [-Wmacro-redefined]
149 | #define arch_spin_unlock(l) queued_spin_unlock(l)
| ^
include/linux/spinlock_up.h:65:10: note: previous definition is here
65 | # define arch_spin_unlock(lock) do { barrier(); (void)(lock); } while (0)
| ^
fs/kernfs/inode.c:29:9: warning: excess elements in struct initializer [-Wexcess-initializers]
29 | static DEFINE_MUTEX(iattr_mutex);
| ^~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/mutex.h:87:27: note: expanded from macro 'DEFINE_MUTEX'
87 | struct mutex mutexname = __MUTEX_INITIALIZER(mutexname)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/mutex.h:81:18: note: expanded from macro '__MUTEX_INITIALIZER'
81 | , .wait_lock = __RAW_SPIN_LOCK_UNLOCKED(lockname.wait_lock) \
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/spinlock_types_raw.h:69:19: note: expanded from macro '__RAW_SPIN_LOCK_UNLOCKED'
69 | (raw_spinlock_t) __RAW_SPIN_LOCK_INITIALIZER(lockname)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/spinlock_types_raw.h:64:14: note: expanded from macro '__RAW_SPIN_LOCK_INITIALIZER'
64 | .raw_lock = __ARCH_SPIN_LOCK_UNLOCKED, \
| ^~~~~~~~~~~~~~~~~~~~~~~~~
include/asm-generic/qspinlock_types.h:49:37: note: expanded from macro '__ARCH_SPIN_LOCK_UNLOCKED'
49 | #define __ARCH_SPIN_LOCK_UNLOCKED { { .val = ATOMIC_INIT(0) } }
| ^~~~~~~~~~~~~~~~~~~~~~~~~
7 warnings and 1 error generated.
--
In file included from fs/kernfs/dir.c:15:
In file included from include/linux/security.h:35:
In file included from include/linux/bpf.h:33:
In file included from arch/x86/include/asm/rqspinlock.h:18:
In file included from include/asm-generic/rqspinlock.h:15:
In file included from arch/x86/include/asm/qspinlock.h:7:
>> include/asm-generic/qspinlock_types.h:44:3: error: typedef redefinition with different types ('struct qspinlock' vs 'struct arch_spinlock_t')
44 | } arch_spinlock_t;
| ^
include/linux/spinlock_types_up.h:25:20: note: previous definition is here
25 | typedef struct { } arch_spinlock_t;
| ^
In file included from fs/kernfs/dir.c:15:
In file included from include/linux/security.h:35:
In file included from include/linux/bpf.h:33:
In file included from arch/x86/include/asm/rqspinlock.h:18:
In file included from include/asm-generic/rqspinlock.h:15:
In file included from arch/x86/include/asm/qspinlock.h:7:
>> include/asm-generic/qspinlock_types.h:49:9: warning: '__ARCH_SPIN_LOCK_UNLOCKED' macro redefined [-Wmacro-redefined]
49 | #define __ARCH_SPIN_LOCK_UNLOCKED { { .val = ATOMIC_INIT(0) } }
| ^
include/linux/spinlock_types_up.h:27:9: note: previous definition is here
27 | #define __ARCH_SPIN_LOCK_UNLOCKED { }
| ^
In file included from fs/kernfs/dir.c:15:
In file included from include/linux/security.h:35:
In file included from include/linux/bpf.h:33:
In file included from arch/x86/include/asm/rqspinlock.h:18:
In file included from include/asm-generic/rqspinlock.h:15:
In file included from arch/x86/include/asm/qspinlock.h:114:
>> include/asm-generic/qspinlock.h:144:9: warning: 'arch_spin_is_locked' macro redefined [-Wmacro-redefined]
144 | #define arch_spin_is_locked(l) queued_spin_is_locked(l)
| ^
include/linux/spinlock_up.h:62:9: note: previous definition is here
62 | #define arch_spin_is_locked(lock) ((void)(lock), 0)
| ^
In file included from fs/kernfs/dir.c:15:
In file included from include/linux/security.h:35:
In file included from include/linux/bpf.h:33:
In file included from arch/x86/include/asm/rqspinlock.h:18:
In file included from include/asm-generic/rqspinlock.h:15:
In file included from arch/x86/include/asm/qspinlock.h:114:
>> include/asm-generic/qspinlock.h:145:9: warning: 'arch_spin_is_contended' macro redefined [-Wmacro-redefined]
145 | #define arch_spin_is_contended(l) queued_spin_is_contended(l)
| ^
include/linux/spinlock_up.h:69:9: note: previous definition is here
69 | #define arch_spin_is_contended(lock) (((void)(lock), 0))
| ^
In file included from fs/kernfs/dir.c:15:
In file included from include/linux/security.h:35:
In file included from include/linux/bpf.h:33:
In file included from arch/x86/include/asm/rqspinlock.h:18:
In file included from include/asm-generic/rqspinlock.h:15:
In file included from arch/x86/include/asm/qspinlock.h:114:
>> include/asm-generic/qspinlock.h:147:9: warning: 'arch_spin_lock' macro redefined [-Wmacro-redefined]
147 | #define arch_spin_lock(l) queued_spin_lock(l)
| ^
include/linux/spinlock_up.h:64:10: note: previous definition is here
64 | # define arch_spin_lock(lock) do { barrier(); (void)(lock); } while (0)
| ^
In file included from fs/kernfs/dir.c:15:
In file included from include/linux/security.h:35:
In file included from include/linux/bpf.h:33:
In file included from arch/x86/include/asm/rqspinlock.h:18:
In file included from include/asm-generic/rqspinlock.h:15:
In file included from arch/x86/include/asm/qspinlock.h:114:
>> include/asm-generic/qspinlock.h:148:9: warning: 'arch_spin_trylock' macro redefined [-Wmacro-redefined]
148 | #define arch_spin_trylock(l) queued_spin_trylock(l)
| ^
include/linux/spinlock_up.h:66:10: note: previous definition is here
66 | # define arch_spin_trylock(lock) ({ barrier(); (void)(lock); 1; })
| ^
In file included from fs/kernfs/dir.c:15:
In file included from include/linux/security.h:35:
In file included from include/linux/bpf.h:33:
In file included from arch/x86/include/asm/rqspinlock.h:18:
In file included from include/asm-generic/rqspinlock.h:15:
In file included from arch/x86/include/asm/qspinlock.h:114:
>> include/asm-generic/qspinlock.h:149:9: warning: 'arch_spin_unlock' macro redefined [-Wmacro-redefined]
149 | #define arch_spin_unlock(l) queued_spin_unlock(l)
| ^
include/linux/spinlock_up.h:65:10: note: previous definition is here
65 | # define arch_spin_unlock(lock) do { barrier(); (void)(lock); } while (0)
| ^
fs/kernfs/dir.c:28:8: warning: excess elements in struct initializer [-Wexcess-initializers]
28 | static DEFINE_SPINLOCK(kernfs_pr_cont_lock);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/spinlock_types.h:43:43: note: expanded from macro 'DEFINE_SPINLOCK'
43 | #define DEFINE_SPINLOCK(x) spinlock_t x = __SPIN_LOCK_UNLOCKED(x)
| ^~~~~~~~~~~~~~~~~~~~~~~
include/linux/spinlock_types.h:41:15: note: expanded from macro '__SPIN_LOCK_UNLOCKED'
41 | (spinlock_t) __SPIN_LOCK_INITIALIZER(lockname)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/spinlock_types.h:38:15: note: expanded from macro '__SPIN_LOCK_INITIALIZER'
38 | { { .rlock = ___SPIN_LOCK_INITIALIZER(lockname) } }
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/spinlock_types.h:33:14: note: expanded from macro '___SPIN_LOCK_INITIALIZER'
33 | .raw_lock = __ARCH_SPIN_LOCK_UNLOCKED, \
| ^~~~~~~~~~~~~~~~~~~~~~~~~
include/asm-generic/qspinlock_types.h:49:37: note: expanded from macro '__ARCH_SPIN_LOCK_UNLOCKED'
49 | #define __ARCH_SPIN_LOCK_UNLOCKED { { .val = ATOMIC_INIT(0) } }
| ^~~~~~~~~~~~~~~~~~~~~~~~~
fs/kernfs/dir.c:30:8: warning: excess elements in struct initializer [-Wexcess-initializers]
30 | static DEFINE_SPINLOCK(kernfs_idr_lock); /* root->ino_idr */
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/spinlock_types.h:43:43: note: expanded from macro 'DEFINE_SPINLOCK'
43 | #define DEFINE_SPINLOCK(x) spinlock_t x = __SPIN_LOCK_UNLOCKED(x)
| ^~~~~~~~~~~~~~~~~~~~~~~
include/linux/spinlock_types.h:41:15: note: expanded from macro '__SPIN_LOCK_UNLOCKED'
41 | (spinlock_t) __SPIN_LOCK_INITIALIZER(lockname)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/spinlock_types.h:38:15: note: expanded from macro '__SPIN_LOCK_INITIALIZER'
38 | { { .rlock = ___SPIN_LOCK_INITIALIZER(lockname) } }
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/spinlock_types.h:33:14: note: expanded from macro '___SPIN_LOCK_INITIALIZER'
33 | .raw_lock = __ARCH_SPIN_LOCK_UNLOCKED, \
| ^~~~~~~~~~~~~~~~~~~~~~~~~
include/asm-generic/qspinlock_types.h:49:37: note: expanded from macro '__ARCH_SPIN_LOCK_UNLOCKED'
49 | #define __ARCH_SPIN_LOCK_UNLOCKED { { .val = ATOMIC_INIT(0) } }
| ^~~~~~~~~~~~~~~~~~~~~~~~~
8 warnings and 1 error generated.
..
vim +/arch_spin_is_locked +144 include/asm-generic/qspinlock.h
2aa79af6426319 Peter Zijlstra (Intel 2015-04-24 138)
ab83647fadae2f Alexandre Ghiti 2024-11-03 139 #ifndef __no_arch_spinlock_redefine
a33fda35e3a765 Waiman Long 2015-04-24 140 /*
a33fda35e3a765 Waiman Long 2015-04-24 141 * Remapping spinlock architecture specific functions to the corresponding
a33fda35e3a765 Waiman Long 2015-04-24 142 * queued spinlock functions.
a33fda35e3a765 Waiman Long 2015-04-24 143 */
a33fda35e3a765 Waiman Long 2015-04-24 @144 #define arch_spin_is_locked(l) queued_spin_is_locked(l)
a33fda35e3a765 Waiman Long 2015-04-24 @145 #define arch_spin_is_contended(l) queued_spin_is_contended(l)
a33fda35e3a765 Waiman Long 2015-04-24 146 #define arch_spin_value_unlocked(l) queued_spin_value_unlocked(l)
a33fda35e3a765 Waiman Long 2015-04-24 @147 #define arch_spin_lock(l) queued_spin_lock(l)
a33fda35e3a765 Waiman Long 2015-04-24 @148 #define arch_spin_trylock(l) queued_spin_trylock(l)
a33fda35e3a765 Waiman Long 2015-04-24 @149 #define arch_spin_unlock(l) queued_spin_unlock(l)
ab83647fadae2f Alexandre Ghiti 2024-11-03 150 #endif
a33fda35e3a765 Waiman Long 2015-04-24 151
--
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next prev parent reply other threads:[~2025-01-08 10:45 UTC|newest]
Thread overview: 63+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-01-07 13:59 [PATCH bpf-next v1 00/22] Resilient Queued Spin Lock Kumar Kartikeya Dwivedi
2025-01-07 13:59 ` [PATCH bpf-next v1 01/22] locking: Move MCS struct definition to public header Kumar Kartikeya Dwivedi
2025-01-07 13:59 ` [PATCH bpf-next v1 02/22] locking: Move common qspinlock helpers to a private header Kumar Kartikeya Dwivedi
2025-01-07 13:59 ` [PATCH bpf-next v1 03/22] locking: Allow obtaining result of arch_mcs_spin_lock_contended Kumar Kartikeya Dwivedi
2025-01-07 13:59 ` [PATCH bpf-next v1 04/22] locking: Copy out qspinlock.c to rqspinlock.c Kumar Kartikeya Dwivedi
2025-01-07 13:59 ` [PATCH bpf-next v1 05/22] rqspinlock: Add rqspinlock.h header Kumar Kartikeya Dwivedi
2025-01-07 13:59 ` [PATCH bpf-next v1 06/22] rqspinlock: Drop PV and virtualization support Kumar Kartikeya Dwivedi
2025-01-07 13:59 ` [PATCH bpf-next v1 07/22] rqspinlock: Add support for timeouts Kumar Kartikeya Dwivedi
2025-01-07 14:50 ` Peter Zijlstra
2025-01-07 17:14 ` Kumar Kartikeya Dwivedi
2025-01-07 13:59 ` [PATCH bpf-next v1 08/22] rqspinlock: Protect pending bit owners from stalls Kumar Kartikeya Dwivedi
2025-01-07 14:51 ` Peter Zijlstra
2025-01-07 17:14 ` Kumar Kartikeya Dwivedi
2025-01-07 19:17 ` Peter Zijlstra
2025-01-07 19:22 ` Peter Zijlstra
2025-01-07 19:54 ` Kumar Kartikeya Dwivedi
2025-01-08 2:19 ` Waiman Long
2025-01-08 20:13 ` Kumar Kartikeya Dwivedi
2025-01-07 13:59 ` [PATCH bpf-next v1 09/22] rqspinlock: Protect waiters in queue " Kumar Kartikeya Dwivedi
2025-01-08 3:38 ` Waiman Long
2025-01-08 20:42 ` Kumar Kartikeya Dwivedi
2025-01-07 13:59 ` [PATCH bpf-next v1 10/22] rqspinlock: Protect waiters in trylock fallback " Kumar Kartikeya Dwivedi
2025-01-07 13:59 ` [PATCH bpf-next v1 11/22] rqspinlock: Add deadlock detection and recovery Kumar Kartikeya Dwivedi
2025-01-08 16:06 ` Waiman Long
2025-01-08 20:19 ` Kumar Kartikeya Dwivedi
2025-01-09 0:32 ` Waiman Long
2025-01-07 13:59 ` [PATCH bpf-next v1 12/22] rqspinlock: Add basic support for CONFIG_PARAVIRT Kumar Kartikeya Dwivedi
2025-01-08 16:27 ` Waiman Long
2025-01-08 20:32 ` Kumar Kartikeya Dwivedi
2025-01-09 0:48 ` Waiman Long
2025-01-09 2:42 ` Alexei Starovoitov
2025-01-09 2:58 ` Waiman Long
2025-01-09 3:37 ` Alexei Starovoitov
2025-01-09 3:46 ` Waiman Long
2025-01-09 3:53 ` Alexei Starovoitov
2025-01-09 3:58 ` Waiman Long
2025-01-07 13:59 ` [PATCH bpf-next v1 13/22] rqspinlock: Add helper to print a splat on timeout or deadlock Kumar Kartikeya Dwivedi
2025-01-07 13:59 ` [PATCH bpf-next v1 14/22] rqspinlock: Add macros for rqspinlock usage Kumar Kartikeya Dwivedi
2025-01-08 16:55 ` Waiman Long
2025-01-08 20:41 ` Kumar Kartikeya Dwivedi
2025-01-09 1:11 ` Waiman Long
2025-01-09 3:30 ` Alexei Starovoitov
2025-01-09 4:09 ` Waiman Long
2025-01-07 13:59 ` [PATCH bpf-next v1 15/22] rqspinlock: Add locktorture support Kumar Kartikeya Dwivedi
2025-01-07 13:59 ` [PATCH bpf-next v1 16/22] rqspinlock: Add entry to Makefile, MAINTAINERS Kumar Kartikeya Dwivedi
2025-01-07 13:59 ` [PATCH bpf-next v1 17/22] bpf: Convert hashtab.c to rqspinlock Kumar Kartikeya Dwivedi
2025-01-07 14:00 ` [PATCH bpf-next v1 18/22] bpf: Convert percpu_freelist.c " Kumar Kartikeya Dwivedi
2025-01-07 14:00 ` [PATCH bpf-next v1 19/22] bpf: Convert lpm_trie.c " Kumar Kartikeya Dwivedi
2025-01-07 14:00 ` [PATCH bpf-next v1 20/22] bpf: Introduce rqspinlock kfuncs Kumar Kartikeya Dwivedi
2025-01-08 10:23 ` kernel test robot
2025-01-08 10:23 ` kernel test robot
2025-01-08 10:44 ` kernel test robot [this message]
2025-01-07 14:00 ` [PATCH bpf-next v1 21/22] bpf: Implement verifier support for rqspinlock Kumar Kartikeya Dwivedi
2025-01-07 14:00 ` [PATCH bpf-next v1 22/22] selftests/bpf: Add tests " Kumar Kartikeya Dwivedi
2025-01-07 23:54 ` [PATCH bpf-next v1 00/22] Resilient Queued Spin Lock Linus Torvalds
2025-01-08 9:18 ` Peter Zijlstra
2025-01-08 20:12 ` Kumar Kartikeya Dwivedi
2025-01-08 20:30 ` Linus Torvalds
2025-01-08 21:06 ` Kumar Kartikeya Dwivedi
2025-01-08 21:30 ` Paul E. McKenney
2025-01-09 13:59 ` Waiman Long
2025-01-09 21:13 ` Kumar Kartikeya Dwivedi
2025-01-09 21:18 ` Waiman Long
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