svn commit: r231169 - head/sys/amd64/amd64
Jung-uk Kim
jkim at FreeBSD.org
Tue Feb 7 23:24:30 UTC 2012
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.
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