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From: Konstantin Belousov <kib@FreeBSD.org>
Date: Tue, 17 Jan 2012 07:21:24 +0000 (UTC)
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Subject: svn commit: r230260 - head/sys/amd64/include
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Author: kib
Date: Tue Jan 17 07:21:23 2012
New Revision: 230260
URL: http://svn.freebsd.org/changeset/base/230260

Log:
  Add macro IS_BSP() to check whether the current CPU is BSP.
  
  MFC after:	1 week

Modified:
  head/sys/amd64/include/pcpu.h

Modified: head/sys/amd64/include/pcpu.h
==============================================================================
--- head/sys/amd64/include/pcpu.h	Tue Jan 17 07:01:22 2012	(r230259)
+++ head/sys/amd64/include/pcpu.h	Tue Jan 17 07:21:23 2012	(r230260)
@@ -226,6 +226,8 @@ __curthread(void)
 }
 #define	curthread		(__curthread())
 
+#define	IS_BSP()	(PCPU_GET(cpuid) == 0)
+
 #else /* !lint || defined(__GNUCLIKE_ASM) && defined(__GNUCLIKE___TYPEOF) */
 
 #error "this file needs to be ported to your compiler"