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| author | Mike Christie <michael.christie@oracle.com> | 2023-03-10 16:03:23 -0600 |
|---|---|---|
| committer | Christian Brauner (Microsoft) <brauner@kernel.org> | 2023-03-12 10:52:46 +0100 |
| commit | cf587db2ee0261c74d04f61f39783db88a0b65e4 (patch) | |
| tree | 5fecb82e0ea27438d473a165f274b9355ce0cd42 /kernel/fork.c | |
| parent | e0a98139c162af9601ffa8d6db88dbe745f64b3c (diff) | |
| download | lwn-cf587db2ee0261c74d04f61f39783db88a0b65e4.tar.gz lwn-cf587db2ee0261c74d04f61f39783db88a0b65e4.zip | |
kernel: Allow a kernel thread's name to be set in copy_process
This patch allows kernel users to pass in the thread name so it can be
set during creation instead of having to use set_task_comm after the
thread is created.
Signed-off-by: Mike Christie <michael.christie@oracle.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Christian Brauner (Microsoft) <brauner@kernel.org>
Diffstat (limited to 'kernel/fork.c')
| -rw-r--r-- | kernel/fork.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/kernel/fork.c b/kernel/fork.c index f68954d05e89..81dfb2532148 100644 --- a/kernel/fork.c +++ b/kernel/fork.c @@ -2112,6 +2112,9 @@ static __latent_entropy struct task_struct *copy_process( siginitsetinv(&p->blocked, sigmask(SIGKILL)|sigmask(SIGSTOP)); } + if (args->name) + strscpy_pad(p->comm, args->name, sizeof(p->comm)); + p->set_child_tid = (clone_flags & CLONE_CHILD_SETTID) ? args->child_tid : NULL; /* * Clear TID on mm_release()? @@ -2730,7 +2733,8 @@ pid_t kernel_clone(struct kernel_clone_args *args) /* * Create a kernel thread. */ -pid_t kernel_thread(int (*fn)(void *), void *arg, unsigned long flags) +pid_t kernel_thread(int (*fn)(void *), void *arg, const char *name, + unsigned long flags) { struct kernel_clone_args args = { .flags = ((lower_32_bits(flags) | CLONE_VM | @@ -2738,6 +2742,7 @@ pid_t kernel_thread(int (*fn)(void *), void *arg, unsigned long flags) .exit_signal = (lower_32_bits(flags) & CSIGNAL), .fn = fn, .fn_arg = arg, + .name = name, .kthread = 1, }; |