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Merge branch 'linus' into core/softlockup

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This commit is contained in:
Ingo Molnar
2009-02-12 13:08:57 +01:00
parent cf2592f59c b578f3fcca
commit 871cafcc96
2296 changed files with 47378 additions and 21529 deletions
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26
kernel/fork.c
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@@ -820,17 +820,17 @@ static void posix_cpu_timers_init_group(struct signal_struct *sig)
static int copy_signal(unsigned long clone_flags, struct task_struct *tsk)
{
struct signal_struct *sig;
int ret;
if (clone_flags & CLONE_THREAD) {
ret = thread_group_cputime_clone_thread(current);
if (likely(!ret)) {
atomic_inc(&current->signal->count);
atomic_inc(&current->signal->live);
}
return ret;
atomic_inc(&current->signal->count);
atomic_inc(&current->signal->live);
return 0;
}
sig = kmem_cache_alloc(signal_cachep, GFP_KERNEL);
if (sig)
posix_cpu_timers_init_group(sig);
tsk->signal = sig;
if (!sig)
return -ENOMEM;
@@ -854,21 +854,20 @@ static int copy_signal(unsigned long clone_flags, struct task_struct *tsk)
sig->tty_old_pgrp = NULL;
sig->tty = NULL;
sig->cutime = sig->cstime = cputime_zero;
sig->utime = sig->stime = sig->cutime = sig->cstime = cputime_zero;
sig->gtime = cputime_zero;
sig->cgtime = cputime_zero;
sig->nvcsw = sig->nivcsw = sig->cnvcsw = sig->cnivcsw = 0;
sig->min_flt = sig->maj_flt = sig->cmin_flt = sig->cmaj_flt = 0;
sig->inblock = sig->oublock = sig->cinblock = sig->coublock = 0;
task_io_accounting_init(&sig->ioac);
sig->sum_sched_runtime = 0;
taskstats_tgid_init(sig);
task_lock(current->group_leader);
memcpy(sig->rlim, current->signal->rlim, sizeof sig->rlim);
task_unlock(current->group_leader);
posix_cpu_timers_init_group(sig);
acct_init_pacct(&sig->pacct);
tty_audit_fork(sig);
@@ -904,7 +903,7 @@ static void copy_flags(unsigned long clone_flags, struct task_struct *p)
clear_freeze_flag(p);
}
asmlinkage long sys_set_tid_address(int __user *tidptr)
SYSCALL_DEFINE1(set_tid_address, int __user *, tidptr)
{
current->clear_child_tid = tidptr;
@@ -1010,6 +1009,7 @@ static struct task_struct *copy_process(unsigned long clone_flags,
* triggers too late. This doesn't hurt, the check is only there
* to stop root fork bombs.
*/
retval = -EAGAIN;
if (nr_threads >= max_threads)
goto bad_fork_cleanup_count;
@@ -1093,7 +1093,7 @@ static struct task_struct *copy_process(unsigned long clone_flags,
#ifdef CONFIG_DEBUG_MUTEXES
p->blocked_on = NULL; /* not blocked yet */
#endif
if (unlikely(ptrace_reparented(current)))
if (unlikely(current->ptrace))
ptrace_fork(p, clone_flags);
/* Perform scheduler related setup. Assign this task to a CPU. */
@@ -1601,7 +1601,7 @@ static int unshare_fd(unsigned long unshare_flags, struct files_struct **new_fdp
* constructed. Here we are modifying the current, active,
* task_struct.
*/
asmlinkage long sys_unshare(unsigned long unshare_flags)
SYSCALL_DEFINE1(unshare, unsigned long, unshare_flags)
{
int err = 0;
struct fs_struct *fs, *new_fs = NULL;