[Xen-devel] [PATCH] linux/x86-64: slightly simplify smp-xen.c

["Jan Beulich" <jbeulich@xxxxxxxxxx>]

Two Xen conditionals can be folded into one, as the code between the
two is also not used on Xen.

As usual, written and tested on 2.6.25-rc5 and made apply to the 2.6.18
tree without further testing.

Signed-off-by: Jan Beulich <jbeulich@xxxxxxxxxx>

Index: head-2008-03-11/arch/x86_64/kernel/smp-xen.c
===================================================================
--- head-2008-03-11.orig/arch/x86_64/kernel/smp-xen.c   2008-03-12 
17:16:04.000000000 +0100
+++ head-2008-03-11/arch/x86_64/kernel/smp-xen.c        2008-03-11 
14:46:33.000000000 +0100
@@ -69,7 +69,6 @@
    to a full cache line because other CPUs can access it and we don't
    want false sharing in the per cpu data segment. */
 static DEFINE_PER_CPU(union smp_flush_state, flush_state);
-#endif
 
 /*
  * We cannot call mmdrop() because we are in interrupt context, 
@@ -83,7 +83,6 @@
        load_cr3(swapper_pg_dir);
 }
 
-#ifndef CONFIG_XEN
 /*
  *
  * The flush IPI assumes that a thread switch happens in this order:




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