Commit 43bb40c9 authored by Dave Jones's avatar Dave Jones Committed by Linus Torvalds

sched: remove long deprecated CLONE_STOPPED flag

This warning was added in commit bdff746a ("clone: prepare to recycle
CLONE_STOPPED") three years ago.  2.6.26 came and went.  As far as I know,
no-one is actually using CLONE_STOPPED.
Signed-off-by: default avatarDave Jones <davej@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Tejun Heo <tj@kernel.org>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 5dfbd1d7
...@@ -21,7 +21,8 @@ ...@@ -21,7 +21,8 @@
#define CLONE_DETACHED 0x00400000 /* Unused, ignored */ #define CLONE_DETACHED 0x00400000 /* Unused, ignored */
#define CLONE_UNTRACED 0x00800000 /* set if the tracing process can't force CLONE_PTRACE on this clone */ #define CLONE_UNTRACED 0x00800000 /* set if the tracing process can't force CLONE_PTRACE on this clone */
#define CLONE_CHILD_SETTID 0x01000000 /* set the TID in the child */ #define CLONE_CHILD_SETTID 0x01000000 /* set the TID in the child */
#define CLONE_STOPPED 0x02000000 /* Start in stopped state */ /* 0x02000000 was previously the unused CLONE_STOPPED (Start in stopped state)
and is now available for re-use. */
#define CLONE_NEWUTS 0x04000000 /* New utsname group? */ #define CLONE_NEWUTS 0x04000000 /* New utsname group? */
#define CLONE_NEWIPC 0x08000000 /* New ipcs */ #define CLONE_NEWIPC 0x08000000 /* New ipcs */
#define CLONE_NEWUSER 0x10000000 /* New user namespace */ #define CLONE_NEWUSER 0x10000000 /* New user namespace */
......
...@@ -1409,23 +1409,6 @@ long do_fork(unsigned long clone_flags, ...@@ -1409,23 +1409,6 @@ long do_fork(unsigned long clone_flags,
return -EPERM; return -EPERM;
} }
/*
* We hope to recycle these flags after 2.6.26
*/
if (unlikely(clone_flags & CLONE_STOPPED)) {
static int __read_mostly count = 100;
if (count > 0 && printk_ratelimit()) {
char comm[TASK_COMM_LEN];
count--;
printk(KERN_INFO "fork(): process `%s' used deprecated "
"clone flags 0x%lx\n",
get_task_comm(comm, current),
clone_flags & CLONE_STOPPED);
}
}
/* /*
* When called from kernel_thread, don't do user tracing stuff. * When called from kernel_thread, don't do user tracing stuff.
*/ */
...@@ -1464,16 +1447,7 @@ long do_fork(unsigned long clone_flags, ...@@ -1464,16 +1447,7 @@ long do_fork(unsigned long clone_flags,
*/ */
p->flags &= ~PF_STARTING; p->flags &= ~PF_STARTING;
if (unlikely(clone_flags & CLONE_STOPPED)) { wake_up_new_task(p, clone_flags);
/*
* We'll start up with an immediate SIGSTOP.
*/
sigaddset(&p->pending.signal, SIGSTOP);
set_tsk_thread_flag(p, TIF_SIGPENDING);
__set_task_state(p, TASK_STOPPED);
} else {
wake_up_new_task(p, clone_flags);
}
tracehook_report_clone_complete(trace, regs, tracehook_report_clone_complete(trace, regs,
clone_flags, nr, p); clone_flags, nr, p);
......
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