Displaying 4 results from an estimated 4 matches for "bpf_prog_free_deferred".
2015 Feb 06
0
[PATCH] x86 spinlock: Fix memory corruption on completing completions
...ckup suspected on CPU#31, kworker/31:1/5213
[ 161.613469] lock: purge_lock.28981+0x0/0x40, .magic: dead4ead, .owner: kworker/7:1/6400, .owner_cpu: 7
[ 161.613469] CPU: 31 PID: 5213 Comm: kworker/31:1 Not tainted 3.19.0-rc7-next-20150204-sasha-00048-gee3a350 #1869
[ 161.613469] Workqueue: events bpf_prog_free_deferred
[ 161.613469] 0000000000000000 00000000f03dd27f ffff88056b227a88 ffffffffa1702276
[ 161.613469] 0000000000000000 ffff88017cf70000 ffff88056b227aa8 ffffffff9e1d009c
[ 161.613469] ffffffffa3edae60 0000000086c3f830 ffff88056b227ad8 ffffffff9e1d01d7
[ 161.613469] Call Trace:
[ 161.613469] dump_...
2015 Feb 06
0
[PATCH] x86 spinlock: Fix memory corruption on completing completions
...ckup suspected on CPU#31, kworker/31:1/5213
[ 161.613469] lock: purge_lock.28981+0x0/0x40, .magic: dead4ead, .owner: kworker/7:1/6400, .owner_cpu: 7
[ 161.613469] CPU: 31 PID: 5213 Comm: kworker/31:1 Not tainted 3.19.0-rc7-next-20150204-sasha-00048-gee3a350 #1869
[ 161.613469] Workqueue: events bpf_prog_free_deferred
[ 161.613469] 0000000000000000 00000000f03dd27f ffff88056b227a88 ffffffffa1702276
[ 161.613469] 0000000000000000 ffff88017cf70000 ffff88056b227aa8 ffffffff9e1d009c
[ 161.613469] ffffffffa3edae60 0000000086c3f830 ffff88056b227ad8 ffffffff9e1d01d7
[ 161.613469] Call Trace:
[ 161.613469] dump_...
2015 Feb 06
10
[PATCH] x86 spinlock: Fix memory corruption on completing completions
Paravirt spinlock clears slowpath flag after doing unlock.
As explained by Linus currently it does:
prev = *lock;
add_smp(&lock->tickets.head, TICKET_LOCK_INC);
/* add_smp() is a full mb() */
if (unlikely(lock->tickets.tail & TICKET_SLOWPATH_FLAG))
__ticket_unlock_slowpath(lock, prev);
which
2015 Feb 06
10
[PATCH] x86 spinlock: Fix memory corruption on completing completions
Paravirt spinlock clears slowpath flag after doing unlock.
As explained by Linus currently it does:
prev = *lock;
add_smp(&lock->tickets.head, TICKET_LOCK_INC);
/* add_smp() is a full mb() */
if (unlikely(lock->tickets.tail & TICKET_SLOWPATH_FLAG))
__ticket_unlock_slowpath(lock, prev);
which