diff options
| author | Ingo Molnar <mingo@kernel.org> | 2020-08-06 10:16:38 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2020-08-06 10:16:38 +0200 |
| commit | a703f3633ff1d982bc4adfe7e0921bedb1701216 (patch) | |
| tree | eb85b29a0bbcb29045e197ab77e18ffc8649a722 /kernel/fork.c | |
| parent | a7ef9b28aa8d72a1656fa6f0a01bbd1493886317 (diff) | |
| parent | b5e6a027bd327daa679ca55182a920659e2cbb90 (diff) | |
Merge branch 'WIP.locking/seqlocks' into locking/urgent
Pick up the full seqlock series PeterZ is working on.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'kernel/fork.c')
| -rw-r--r-- | kernel/fork.c | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/kernel/fork.c b/kernel/fork.c index efc5493203ae..fc72f09a61b2 100644 --- a/kernel/fork.c +++ b/kernel/fork.c @@ -1954,8 +1954,8 @@ static __latent_entropy struct task_struct *copy_process( rt_mutex_init_task(p); + lockdep_assert_irqs_enabled(); #ifdef CONFIG_PROVE_LOCKING - DEBUG_LOCKS_WARN_ON(!p->hardirqs_enabled); DEBUG_LOCKS_WARN_ON(!p->softirqs_enabled); #endif retval = -EAGAIN; @@ -2032,11 +2032,10 @@ static __latent_entropy struct task_struct *copy_process( #ifdef CONFIG_CPUSETS p->cpuset_mem_spread_rotor = NUMA_NO_NODE; p->cpuset_slab_spread_rotor = NUMA_NO_NODE; - seqcount_init(&p->mems_allowed_seq); + seqcount_spinlock_init(&p->mems_allowed_seq, &p->alloc_lock); #endif #ifdef CONFIG_TRACE_IRQFLAGS p->irq_events = 0; - p->hardirqs_enabled = 0; p->hardirq_enable_ip = 0; p->hardirq_enable_event = 0; p->hardirq_disable_ip = _THIS_IP_; @@ -2046,7 +2045,6 @@ static __latent_entropy struct task_struct *copy_process( p->softirq_enable_event = 0; p->softirq_disable_ip = 0; p->softirq_disable_event = 0; - p->hardirq_context = 0; p->softirq_context = 0; #endif |