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fork: allow kernel code to call copy_process

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The next patch adds helpers like create_io_thread, but for use by the
vhost layer. There are several functions, so they are in their own file
instead of cluttering up fork.c. This patch allows that new file to
call copy_process.

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>
This commit is contained in:
Mike Christie 2023-03-10 16:03:29 -06:00 committed by Christian Brauner (Microsoft)
parent 094717586b
commit 89c8e98d8c
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GPG Key ID: 91C61BC06578DCA2
2 changed files with 3 additions and 1 deletions
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2
include/linux/sched/task.h
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@ -93,6 +93,8 @@ extern void exit_files(struct task_struct *);
extern void exit_itimers(struct task_struct *);
extern pid_t kernel_clone(struct kernel_clone_args *kargs);
struct task_struct *copy_process(struct pid *pid, int trace, int node,
struct kernel_clone_args *args);
struct task_struct *create_io_thread(int (*fn)(void *), void *arg, int node);
struct task_struct *fork_idle(int);
extern pid_t kernel_thread(int (*fn)(void *), void *arg, const char *name,

2
kernel/fork.c
View File

@ -2016,7 +2016,7 @@ static void rv_task_fork(struct task_struct *p)
* parts of the process environment (as per the clone
* flags). The actual kick-off is left to the caller.
*/
static __latent_entropy struct task_struct *copy_process(
__latent_entropy struct task_struct *copy_process(
struct pid *pid,
int trace,
int node,