diff mbox

[QEMU-KVM,29/34] test: wait for all processors to complete initialization

Message ID 1253093169-1423-30-git-send-email-avi@redhat.com (mailing list archive)
State New, archived
Headers show

Commit Message

Avi Kivity Sept. 16, 2009, 9:26 a.m. UTC 
so we can start blasting them with IPIs.

Signed-off-by: Avi Kivity <avi@redhat.com>
---
 kvm/user/test/x86/cstart64.S |    7 +++++++
 1 files changed, 7 insertions(+), 0 deletions(-)
diff mbox

Patch

diff --git a/kvm/user/test/x86/cstart64.S b/kvm/user/test/x86/cstart64.S
index 54b721f..e5554ba 100644
--- a/kvm/user/test/x86/cstart64.S
+++ b/kvm/user/test/x86/cstart64.S
@@ -152,6 +152,7 @@  ap_start64:
 	call enable_x2apic
 	sti
 	nop
+	lock incw cpu_online_count
 
 1:	hlt
 	jmp 1b
@@ -203,5 +204,11 @@  smp_init:
 	movl $(APIC_DEST_ALLBUT | APIC_DEST_PHYSICAL | APIC_DM_INIT | APIC_INT_ASSERT), APIC_ICR(%rax)
 	movl $(APIC_DEST_ALLBUT | APIC_DEST_PHYSICAL | APIC_DM_INIT), APIC_ICR(%rax)
 	movl $(APIC_DEST_ALLBUT | APIC_DEST_PHYSICAL | APIC_DM_STARTUP), APIC_ICR(%rax)
+	call fwcfg_get_nb_cpus
+1:	pause
+	cmpw %ax, cpu_online_count
+	jne 1b
 smp_init_done:
 	ret
+
+cpu_online_count:	.word 1