tile: remove cpu_idle_on_new_stack

This routine isn't used unless CONFIG_HOMECACHE is enabled, which
isn't even available as a public configuration option yet.
Since it no longer links correctly in 3.4, just remove it for now.

Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>

1 files changed, 0 insertions, 14 deletions

diff --git a/arch/tile/kernel/entry.S b/arch/tile/kernel/entry.S
index 133c4b56a99e..c31637baff28 100644
--- a/arch/tile/kernel/entry.S
+++ b/arch/tile/kernel/entry.S
@@ -68,20 +68,6 @@ STD_ENTRY(KBacktraceIterator_init_current)
         jrp lr   /* keep backtracer happy */
         STD_ENDPROC(KBacktraceIterator_init_current)
 
-/*
- * Reset our stack to r1/r2 (sp and ksp0+cpu respectively), then
- * free the old stack (passed in r0) and re-invoke cpu_idle().
- * We update sp and ksp0 simultaneously to avoid backtracer warnings.
- */
-STD_ENTRY(cpu_idle_on_new_stack)
-        {
-         move sp, r1
-         mtspr SPR_SYSTEM_SAVE_K_0, r2
-        }
-        jal free_thread_info
-        j cpu_idle
-        STD_ENDPROC(cpu_idle_on_new_stack)
-
 /* Loop forever on a nap during SMP boot. */
 STD_ENTRY(smp_nap)
         nap