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SubjectRe: [v12][PATCH 5/9] Add target_pids parameter to copy_process()
CC: LKML

Sukadev Bhattiprolu [sukadev@linux.vnet.ibm.com] wrote:
|
| Subject: [v12][PATCH 5/9] Add target_pids parameter to copy_process()
|
| Add a 'target_pids' parameter to copy_process(). The new parameter will be
| used in a follow-on patch when eclone() is implemented.
|
| Signed-off-by: Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com>
| Acked-by: Serge Hallyn <serue@us.ibm.com>
| Reviewed-by: Oren Laadan <orenl@cs.columbia.edu>
| ---
| kernel/fork.c | 7 ++++---
| 1 files changed, 4 insertions(+), 3 deletions(-)
|
| diff --git a/kernel/fork.c b/kernel/fork.c
| index 3f1dddf..c8a06de 100644
| --- a/kernel/fork.c
| +++ b/kernel/fork.c
| @@ -975,12 +975,12 @@ static struct task_struct *copy_process(unsigned long clone_flags,
| unsigned long stack_size,
| int __user *child_tidptr,
| struct pid *pid,
| + pid_t *target_pids,
| int trace)
| {
| int retval;
| struct task_struct *p;
| int cgroup_callbacks_done = 0;
| - pid_t *target_pids = NULL;
|
| if ((clone_flags & (CLONE_NEWNS|CLONE_FS)) == (CLONE_NEWNS|CLONE_FS))
| return ERR_PTR(-EINVAL);
| @@ -1361,7 +1361,7 @@ struct task_struct * __cpuinit fork_idle(int cpu)
| struct pt_regs regs;
|
| task = copy_process(CLONE_VM, 0, idle_regs(&regs), 0, NULL,
| - &init_struct_pid, 0);
| + &init_struct_pid, NULL, 0);
| if (!IS_ERR(task))
| init_idle(task, cpu);
|
| @@ -1384,6 +1384,7 @@ long do_fork(unsigned long clone_flags,
| struct task_struct *p;
| int trace = 0;
| long nr;
| + pid_t *target_pids = NULL;
|
| /*
| * Do some preliminary argument and permissions checking before we
| @@ -1424,7 +1425,7 @@ long do_fork(unsigned long clone_flags,
| trace = tracehook_prepare_clone(clone_flags);
|
| p = copy_process(clone_flags, stack_start, regs, stack_size,
| - child_tidptr, NULL, trace);
| + child_tidptr, NULL, target_pids, trace);
| /*
| * Do this prior waking up the new thread - the thread pointer
| * might get invalid after that point, if the thread exits quickly.
| --
| 1.6.0.4
|
| _______________________________________________
| Containers mailing list
| Containers@lists.linux-foundation.org
| https://lists.linux-foundation.org/mailman/listinfo/containers


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