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From: "Justin T. Gibbs" <gibbs@FreeBSD.org>
Date: Thu, 19 Sep 2013 14:41:11 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-all@freebsd.org,
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Subject: svn commit: r255705 - head/sys/i386/xen
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Author: gibbs
Date: Thu Sep 19 14:41:10 2013
New Revision: 255705
URL: http://svnweb.freebsd.org/changeset/base/255705

Log:
  sys/i386/xen_mp_machdep.c:
  	Set a 'fake' acpi_id for the i386 PV port, it is needed in
  	order to use VIRQs or IPI event channels.
  
  Submitted by:	Roger Pau Monné
  Sponsored by:	Citrix Systems R&D
  Reviewed by:	gibbs
  Approved by:	re (blanket Xen)
  MFC after:	2 weeks

Modified:
  head/sys/i386/xen/mp_machdep.c

Modified: head/sys/i386/xen/mp_machdep.c
==============================================================================
--- head/sys/i386/xen/mp_machdep.c	Thu Sep 19 13:49:55 2013	(r255704)
+++ head/sys/i386/xen/mp_machdep.c	Thu Sep 19 14:41:10 2013	(r255705)
@@ -251,6 +251,9 @@ cpu_add(u_int apic_id, char boot_cpu)
 	if (bootverbose)
 		printf("SMP: Added CPU %d (%s)\n", apic_id, boot_cpu ? "BSP" :
 		    "AP");
+
+	/* Set the ACPI id (it is needed by VCPU operations) */
+	pcpu_find(apic_id)->pc_acpi_id = apic_id;
 }
 
 void