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| author | Ingo Molnar <mingo@kernel.org> | 2021-03-19 12:10:49 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2021-03-19 12:10:49 +0100 |
| commit | 01438749e36bfe53ea25c91568019be775a9782e (patch) | |
| tree | f91f5abae2004863afda683589d034dcd2000ab8 /kernel/fork.c | |
| parent | 4faf62b1ef1a9367f7dcf8b7ce509980dfdcee83 (diff) | |
| parent | bee645788e07eea63055d261d2884ea45c2ba857 (diff) | |
| download | cachepc-linux-01438749e36bfe53ea25c91568019be775a9782e.tar.gz cachepc-linux-01438749e36bfe53ea25c91568019be775a9782e.zip | |
Merge branch 'locking/urgent' into locking/core, to pick up dependent commits
We are applying further, lower-prio fixes on top of two ww_mutex fixes in locking/urgent.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'kernel/fork.c')
| -rw-r--r-- | kernel/fork.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/kernel/fork.c b/kernel/fork.c index d3171e8e88e5..0acc8ed1076b 100644 --- a/kernel/fork.c +++ b/kernel/fork.c @@ -994,6 +994,13 @@ static void mm_init_owner(struct mm_struct *mm, struct task_struct *p) #endif } +static void mm_init_pasid(struct mm_struct *mm) +{ +#ifdef CONFIG_IOMMU_SUPPORT + mm->pasid = INIT_PASID; +#endif +} + static void mm_init_uprobes_state(struct mm_struct *mm) { #ifdef CONFIG_UPROBES @@ -1024,6 +1031,7 @@ static struct mm_struct *mm_init(struct mm_struct *mm, struct task_struct *p, mm_init_cpumask(mm); mm_init_aio(mm); mm_init_owner(mm, p); + mm_init_pasid(mm); RCU_INIT_POINTER(mm->exe_file, NULL); mmu_notifier_subscriptions_init(mm); init_tlb_flush_pending(mm); @@ -2436,6 +2444,7 @@ struct task_struct *create_io_thread(int (*fn)(void *), void *arg, int node) if (!IS_ERR(tsk)) { sigfillset(&tsk->blocked); sigdelsetmask(&tsk->blocked, sigmask(SIGKILL)); + tsk->flags |= PF_NOFREEZE; } return tsk; } |