[PATCH] ia64: platform_kernel_launch_event is noop on generic kernel

Add a missing #define for the platform_kernel_launch_event.  Without this
fix, a call to platform_kernel_launch_event() becomes a noop on generic
kernels.  SN systems require this fix to successfully kdump/kexec from
certain hardware errors.

[bwalle@suse.de: fix it]
Signed-off-by: John Keller <jpk@sgi.com>
Cc: Bernhard Walle <bwalle@suse.de>
Acked-by: Simon Horman <horms@verge.net.au>
Acked-by: Jay Lan <jlan@sgi.com>
Acked-by: "Luck, Tony" <tony.luck@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

include/asm-ia64/machvec.h

@@ -168,6 +168,7 @@ extern void machvec_tlb_migrate_finish (struct mm_struct *);
 #  define platform_setup_msi_irq	ia64_mv.setup_msi_irq
 #  define platform_teardown_msi_irq	ia64_mv.teardown_msi_irq
 #  define platform_pci_fixup_bus	ia64_mv.pci_fixup_bus
+#  define platform_kernel_launch_event	ia64_mv.kernel_launch_event
 # endif
 
 /* __attribute__((__aligned__(16))) is required to make size of the
@@ -269,6 +270,7 @@ struct ia64_machine_vector {
 	platform_setup_msi_irq,			\
 	platform_teardown_msi_irq,		\
 	platform_pci_fixup_bus,			\
+	platform_kernel_launch_event            \
 }
 
 extern struct ia64_machine_vector ia64_mv;