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From: "Cherry G. Mathew" <cherry@FreeBSD.org>
Date: Sun, 12 Jan 2014 12:14:39 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-projects@freebsd.org
Subject: svn commit: r260560 - projects/amd64_xen_pv/sys/amd64/xen
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Author: cherry
Date: Sun Jan 12 12:14:38 2014
New Revision: 260560
URL: http://svnweb.freebsd.org/changeset/base/260560

Log:
  Revert the first part of r259097.
  32bit ops on registers automatically clear out the top 32bits of its
  64bits.
  
  Suggested by: jilles@
  Approved by: gibbs@ (implicit)

Modified:
  projects/amd64_xen_pv/sys/amd64/xen/exception.S

Modified: projects/amd64_xen_pv/sys/amd64/xen/exception.S
==============================================================================
--- projects/amd64_xen_pv/sys/amd64/xen/exception.S	Sun Jan 12 11:44:28 2014	(r260559)
+++ projects/amd64_xen_pv/sys/amd64/xen/exception.S	Sun Jan 12 12:14:38 2014	(r260560)
@@ -220,7 +220,7 @@
 	movq	PCPU(CURTHREAD),%rdi ;\
 	movq	%rsp, TD_FRAME(%rdi) ;\
 	movl	TF_RFLAGS(%rsp),%esi ;\
-	andq	$PSL_T, %rsi	     ;\
+	andl	$PSL_T,%esi	     ;\
 	call	amd64_syscall
 
 #define SYSRET \