From: Sukadev Bhattiprolu <sukadev-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org>
To: Oren Laadan <orenl-eQaUEPhvms7ENvBUuze7eA@public.gmane.org>
Cc: Containers
<containers-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org>,
"David C. Hansen"
<haveblue-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
Subject: [PATCH 5/7] [PATCH] Add target_pids parameter to copy_process()
Date: Wed, 27 May 2009 08:44:22 -0700 [thread overview]
Message-ID: <20090527154422.GE3107@us.ibm.com> (raw)
In-Reply-To: <20090527154212.GA3107-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
From: Sukadev Bhattiprolu <sukadev-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org>
Date: Mon, 4 May 2009 01:17:43 -0700
Subject: [PATCH 5/7] [PATCH] Add target_pids parameter to copy_process()
The new parameter will be used in a follow-on patch when clone_with_pids()
is implemented.
Signed-off-by: Sukadev Bhattiprolu <sukadev-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org>
---
kernel/fork.c | 7 ++++---
1 files changed, 4 insertions(+), 3 deletions(-)
diff --git a/kernel/fork.c b/kernel/fork.c
index d2d69d3..373411e 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -949,12 +949,12 @@ 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);
@@ -1327,7 +1327,7 @@ struct task_struct * __cpuinit fork_idle(int cpu)
struct pt_regs regs;
task = copy_process(CLONE_VM, 0, idle_regs(®s), 0, NULL,
- &init_struct_pid, 0);
+ &init_struct_pid, NULL, 0);
if (!IS_ERR(task))
init_idle(task, cpu);
@@ -1350,6 +1350,7 @@ 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
@@ -1390,7 +1391,7 @@ 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.
--
1.5.2.5
next prev parent reply other threads:[~2009-05-27 15:44 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-05-27 15:42 [PATCH 1/7] [PATCH] Factor out code to allocate pidmap page Sukadev Bhattiprolu
[not found] ` <20090527154212.GA3107-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
2009-05-27 15:42 ` [PATCH 2/7] [PATCH] Have alloc_pidmap() return actual error code Sukadev Bhattiprolu
[not found] ` <20090527154259.GB3107-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
2009-05-27 17:27 ` Dave Hansen
2009-05-27 17:43 ` Serge E. Hallyn
2009-05-27 19:37 ` Oren Laadan
2009-05-27 15:43 ` [PATCH 3/7] [PATCH] Add target_pid parameter to alloc_pidmap() Sukadev Bhattiprolu
[not found] ` <20090527154333.GC3107-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
2009-05-27 17:56 ` Serge E. Hallyn
2009-05-27 15:43 ` [PATCH 4/7] [PATCH] Add target_pids parameter to alloc_pid() Sukadev Bhattiprolu
[not found] ` <20090527154355.GD3107-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
2009-05-27 18:05 ` Serge E. Hallyn
2009-05-27 15:44 ` Sukadev Bhattiprolu [this message]
[not found] ` <20090527154422.GE3107-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
2009-05-27 18:05 ` [PATCH 5/7] [PATCH] Add target_pids parameter to copy_process() Serge E. Hallyn
2009-05-27 19:41 ` Oren Laadan
2009-05-27 15:44 ` [PATCH 6/7] [PATCH] Define do_fork_with_pids() Sukadev Bhattiprolu
[not found] ` <20090527154443.GF3107-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
2009-05-27 18:05 ` Serge E. Hallyn
2009-05-27 19:40 ` Oren Laadan
2009-05-27 15:45 ` [PATCH 7/7] [PATCH] Define clone_with_pids syscall Sukadev Bhattiprolu
[not found] ` <20090527154507.GG3107-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
2009-05-27 18:19 ` Serge E. Hallyn
2009-05-27 19:53 ` Oren Laadan
[not found] ` <4A1D9A47.6030201-eQaUEPhvms7ENvBUuze7eA@public.gmane.org>
2009-05-28 2:58 ` Sukadev Bhattiprolu
2009-05-27 17:26 ` [PATCH 1/7] [PATCH] Factor out code to allocate pidmap page Dave Hansen
2009-05-27 17:48 ` Serge E. Hallyn
2009-05-27 19:31 ` Oren Laadan
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