mlx4_core: Support ICM tables in coherent memory

[pandora-kernel.git] / kernel / fork.c

diff --git a/kernel/fork.c b/kernel/fork.c
index da3a155..33f12f4 100644 (file)
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -49,6 +49,7 @@
 #include <linux/delayacct.h>
 #include <linux/taskstats_kern.h>
 #include <linux/random.h>
+#include <linux/tty.h>
 
 #include <asm/pgtable.h>
 #include <asm/pgalloc.h>
@@ -136,7 +137,7 @@ void __init fork_init(unsigned long mempages)
        /* create a slab on which task_structs can be allocated */
        task_struct_cachep =
                kmem_cache_create("task_struct", sizeof(struct task_struct),
-                       ARCH_MIN_TASKALIGN, SLAB_PANIC, NULL, NULL);
+                       ARCH_MIN_TASKALIGN, SLAB_PANIC, NULL);
 #endif
 
        /*
@@ -333,6 +334,8 @@ static struct mm_struct * mm_init(struct mm_struct * mm)
        atomic_set(&mm->mm_count, 1);
        init_rwsem(&mm->mmap_sem);
        INIT_LIST_HEAD(&mm->mmlist);
+       mm->flags = (current->mm) ? current->mm->flags
+                                 : MMF_DUMP_FILTER_DEFAULT;
        mm->core_waiters = 0;
        mm->nr_ptes = 0;
        set_mm_counter(mm, file_rss, 0);
@@ -897,6 +900,8 @@ static inline int copy_signal(unsigned long clone_flags, struct task_struct * ts
        }
        acct_init_pacct(&sig->pacct);
 
+       tty_audit_fork(sig);
+
        return 0;
 }
 
@@ -920,7 +925,7 @@ static inline void copy_flags(unsigned long clone_flags, struct task_struct *p)
 {
        unsigned long new_flags = p->flags;
 
-       new_flags &= ~(PF_SUPERPRIV | PF_NOFREEZE);
+       new_flags &= ~PF_SUPERPRIV;
        new_flags |= PF_FORKNOEXEC;
        if (!(clone_flags & CLONE_PTRACE))
                p->ptrace = 0;
@@ -999,7 +1004,7 @@ static struct task_struct *copy_process(unsigned long clone_flags,
        if (atomic_read(&p->user->processes) >=
                        p->signal->rlim[RLIMIT_NPROC].rlim_cur) {
                if (!capable(CAP_SYS_ADMIN) && !capable(CAP_SYS_RESOURCE) &&
-                               p->user != &root_user)
+                   p->user != current->nsproxy->user_ns->root_user)
                        goto bad_fork_free;
        }
 
@@ -1059,6 +1064,8 @@ static struct task_struct *copy_process(unsigned long clone_flags,
 
        p->lock_depth = -1;             /* -1 = no lock */
        do_posix_clock_monotonic_gettime(&p->start_time);
+       p->real_start_time = p->start_time;
+       monotonic_to_bootbased(&p->real_start_time);
        p->security = NULL;
        p->io_context = NULL;
        p->io_wait = NULL;
@@ -1431,7 +1438,7 @@ static void sighand_ctor(void *data, struct kmem_cache *cachep,
        struct sighand_struct *sighand = data;
 
        spin_lock_init(&sighand->siglock);
-       INIT_LIST_HEAD(&sighand->signalfd_list);
+       init_waitqueue_head(&sighand->signalfd_wqh);
 }
 
 void __init proc_caches_init(void)
@@ -1439,22 +1446,22 @@ void __init proc_caches_init(void)
        sighand_cachep = kmem_cache_create("sighand_cache",
                        sizeof(struct sighand_struct), 0,
                        SLAB_HWCACHE_ALIGN|SLAB_PANIC|SLAB_DESTROY_BY_RCU,
-                       sighand_ctor, NULL);
+                       sighand_ctor);
        signal_cachep = kmem_cache_create("signal_cache",
                        sizeof(struct signal_struct), 0,
-                       SLAB_HWCACHE_ALIGN|SLAB_PANIC, NULL, NULL);
-       files_cachep = kmem_cache_create("files_cache", 
+                       SLAB_HWCACHE_ALIGN|SLAB_PANIC, NULL);
+       files_cachep = kmem_cache_create("files_cache",
                        sizeof(struct files_struct), 0,
-                       SLAB_HWCACHE_ALIGN|SLAB_PANIC, NULL, NULL);
-       fs_cachep = kmem_cache_create("fs_cache", 
+                       SLAB_HWCACHE_ALIGN|SLAB_PANIC, NULL);
+       fs_cachep = kmem_cache_create("fs_cache",
                        sizeof(struct fs_struct), 0,
-                       SLAB_HWCACHE_ALIGN|SLAB_PANIC, NULL, NULL);
+                       SLAB_HWCACHE_ALIGN|SLAB_PANIC, NULL);
        vm_area_cachep = kmem_cache_create("vm_area_struct",
                        sizeof(struct vm_area_struct), 0,
-                       SLAB_PANIC, NULL, NULL);
+                       SLAB_PANIC, NULL);
        mm_cachep = kmem_cache_create("mm_struct",
                        sizeof(struct mm_struct), ARCH_MIN_MMSTRUCT_ALIGN,
-                       SLAB_HWCACHE_ALIGN|SLAB_PANIC, NULL, NULL);
+                       SLAB_HWCACHE_ALIGN|SLAB_PANIC, NULL);
 }
 
 /*
@@ -1601,7 +1608,7 @@ asmlinkage long sys_unshare(unsigned long unshare_flags)
        err = -EINVAL;
        if (unshare_flags & ~(CLONE_THREAD|CLONE_FS|CLONE_NEWNS|CLONE_SIGHAND|
                                CLONE_VM|CLONE_FILES|CLONE_SYSVSEM|
-                               CLONE_NEWUTS|CLONE_NEWIPC))
+                               CLONE_NEWUTS|CLONE_NEWIPC|CLONE_NEWUSER))
                goto bad_unshare_out;
 
        if ((err = unshare_thread(unshare_flags)))