The patch titled
sys_getsid: don't use ->nsproxy directly
has been removed from the -mm tree. Its filename was
sys_getsid-dont-use-nsproxy-directly.patch
This patch was dropped because it was merged into mainline or a subsystem tree
The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/
------------------------------------------------------
Subject: sys_getsid: don't use ->nsproxy directly
From: Oleg Nesterov <oleg@xxxxxxxxxx>
With the new semantics of find_vpid() we don't need to play with ->nsproxy
explicitely, _vxx() do the right things.
Also s/tasklist/rcu/.
Signed-off-by: Oleg Nesterov <oleg@xxxxxxxxxx>
Cc: "Eric W. Biederman" <ebiederm@xxxxxxxxxxxx>
Cc: Pavel Emelyanov <xemul@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
kernel/sys.c | 11 ++++-------
1 file changed, 4 insertions(+), 7 deletions(-)
diff -puN kernel/sys.c~sys_getsid-dont-use-nsproxy-directly kernel/sys.c
--- a/kernel/sys.c~sys_getsid-dont-use-nsproxy-directly
+++ a/kernel/sys.c
@@ -1025,19 +1025,16 @@ asmlinkage long sys_getsid(pid_t pid)
else {
int retval;
struct task_struct *p;
- struct pid_namespace *ns;
- ns = current->nsproxy->pid_ns;
-
- read_lock(&tasklist_lock);
- p = find_task_by_pid_ns(pid, ns);
+ rcu_read_lock();
+ p = find_task_by_vpid(pid);
retval = -ESRCH;
if (p) {
retval = security_task_getsid(p);
if (!retval)
- retval = task_session_nr_ns(p, ns);
+ retval = task_session_vnr(p);
}
- read_unlock(&tasklist_lock);
+ rcu_read_unlock();
return retval;
}
}
_
Patches currently in -mm which might be from oleg@xxxxxxxxxx are
origin.patch
revert-proc-fix-the-threaded-proc-self.patch
procfs-task-exe-symlink.patch
procfs-task-exe-symlink-fix.patch
-
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