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authorSuresh Siddha <suresh.b.siddha@intel.com>2010-08-09 17:20:33 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2010-08-09 20:45:06 -0700
commitd7a7c573936a86474c4a5090a45a4bc6e680c117 (patch)
tree1dfe757dca1ce4302e84c5ed0fa39c63007a9c52
parente446127134de06c4aceaa511f411d06eac91634b (diff)
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x86, ia64, smp: use workqueues unconditionally during do_boot_cpu()
Workqueues are now initialized as part of the early_initcall(). So they are available for use during cold boot process aswell. Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com> Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Tejun Heo <tj@kernel.org> Cc: Oleg Nesterov <oleg@redhat.com> Cc: Tony Luck <tony.luck@intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
-rw-r--r--arch/ia64/kernel/smpboot.c15
-rw-r--r--arch/x86/kernel/smpboot.c8
2 files changed, 8 insertions, 15 deletions
diff --git a/arch/ia64/kernel/smpboot.c b/arch/ia64/kernel/smpboot.c
index 1d85d8cfaa7d..d003b502a432 100644
--- a/arch/ia64/kernel/smpboot.c
+++ b/arch/ia64/kernel/smpboot.c
@@ -508,21 +508,18 @@ do_boot_cpu (int sapicid, int cpu)
.done = COMPLETION_INITIALIZER(c_idle.done),
};
+ /*
+ * We can't use kernel_thread since we must avoid to
+ * reschedule the child.
+ */
c_idle.idle = get_idle_for_cpu(cpu);
if (c_idle.idle) {
init_idle(c_idle.idle, cpu);
goto do_rest;
}
- /*
- * We can't use kernel_thread since we must avoid to reschedule the child.
- */
- if (!keventd_up())
- c_idle.work.func(&c_idle.work);
- else {
- schedule_work(&c_idle.work);
- wait_for_completion(&c_idle.done);
- }
+ schedule_work(&c_idle.work);
+ wait_for_completion(&c_idle.done);
if (IS_ERR(c_idle.idle))
panic("failed fork for CPU %d", cpu);
diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c
index 51620953b18a..a5e928b0cb5f 100644
--- a/arch/x86/kernel/smpboot.c
+++ b/arch/x86/kernel/smpboot.c
@@ -735,12 +735,8 @@ static int __cpuinit do_boot_cpu(int apicid, int cpu)
goto do_rest;
}
- if (!keventd_up())
- c_idle.work.func(&c_idle.work);
- else {
- schedule_work(&c_idle.work);
- wait_for_completion(&c_idle.done);
- }
+ schedule_work(&c_idle.work);
+ wait_for_completion(&c_idle.done);
if (IS_ERR(c_idle.idle)) {
printk("failed fork for CPU %d\n", cpu);
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