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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>
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2 changed files with 0 additions and 19 deletions
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@ -91,11 +91,6 @@ extern void smp_nap(void);
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/* Enable interrupts racelessly and nap forever: helper for cpu_idle(). */
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extern void _cpu_idle(void);
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/* Switch boot idle thread to a freshly-allocated stack and free old stack. */
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extern void cpu_idle_on_new_stack(struct thread_info *old_ti,
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unsigned long new_sp,
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unsigned long new_ss10);
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#else /* __ASSEMBLY__ */
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/*
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@ -68,20 +68,6 @@ STD_ENTRY(KBacktraceIterator_init_current)
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jrp lr /* keep backtracer happy */
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STD_ENDPROC(KBacktraceIterator_init_current)
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/*
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* Reset our stack to r1/r2 (sp and ksp0+cpu respectively), then
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* free the old stack (passed in r0) and re-invoke cpu_idle().
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* We update sp and ksp0 simultaneously to avoid backtracer warnings.
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*/
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STD_ENTRY(cpu_idle_on_new_stack)
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{
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move sp, r1
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mtspr SPR_SYSTEM_SAVE_K_0, r2
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}
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jal free_thread_info
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j cpu_idle
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STD_ENDPROC(cpu_idle_on_new_stack)
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/* Loop forever on a nap during SMP boot. */
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STD_ENTRY(smp_nap)
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nap
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