[RFC][PATCH -mm 4/6] Freezer: Prevent new tasks from inheriting TIF_FREEZE set

Rafael J. Wysocki
2007-07-09T20:34:54Z

From: Rafael J. Wysocki <rjw@sisk.pl>

Tasks should go to the refrigerator only if explicitly requested to do that by
the freezer and not as a result of inheriting the TIF_FREEZE flag set from the
parent. Make it happen.

Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
---
kernel/fork.c | 1 +
1 file changed, 1 insertion(+)

Index: linux-2.6.22-rc6-mm1/kernel/fork.c
===================================================================
--- linux-2.6.22-rc6-mm1.orig/kernel/fork.c
+++ linux-2.6.22-rc6-mm1/kernel/fork.c
@@ -932,6 +932,7 @@ static inline void copy_flags(unsigned l
if (!(clone_flags & CLONE_PTRACE))
p->ptrace = 0;
p->flags = new_flags;
+ clear_freeze_flag(p);
}

asmlinkage long sys_set_tid_address(int __user *tidptr)