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From: Jung-uk Kim <jkim@FreeBSD.org>
Date: Tue, 7 Feb 2012 23:24:29 +0000 (UTC)
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Subject: svn commit: r231169 - head/sys/amd64/amd64
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Author: jkim
Date: Tue Feb  7 23:24:29 2012
New Revision: 231169
URL: http://svn.freebsd.org/changeset/base/231169

Log:
  Do not EOI local APIC too early.  Just do doreti normally after resuming.

Modified:
  head/sys/amd64/amd64/apic_vector.S

Modified: head/sys/amd64/amd64/apic_vector.S
==============================================================================
--- head/sys/amd64/amd64/apic_vector.S	Tue Feb  7 22:31:28 2012	(r231168)
+++ head/sys/amd64/amd64/apic_vector.S	Tue Feb  7 23:24:29 2012	(r231169)
@@ -300,13 +300,10 @@ IDTVEC(cpustop)
 IDTVEC(cpususpend)
 	PUSH_FRAME
 
+	call	cpususpend_handler
 	movq	lapic, %rax
 	movl	$0, LA_EOI(%rax)	/* End Of Interrupt to APIC */
-
-	call	cpususpend_handler
-
-	POP_FRAME
-	jmp	doreti_iret
+	jmp	doreti
 
 /*
  * Executed by a CPU when it receives a RENDEZVOUS IPI from another CPU.