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Commit 10db9e00 authored by Chris Metcalf's avatar Chris Metcalf
Browse files

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: default avatarChris Metcalf <cmetcalf@tilera.com>
parent f8f5701b

arch/tile/include/asm/thread_info.h

+0 −5
Original line number Original line Diff line number Diff line
@@ -91,11 +91,6 @@ extern void smp_nap(void); 
/* Enable interrupts racelessly and nap forever: helper for cpu_idle(). */

/* Enable interrupts racelessly and nap forever: helper for cpu_idle(). */

extern void _cpu_idle(void);

extern void _cpu_idle(void);





/* Switch boot idle thread to a freshly-allocated stack and free old stack. */

extern void cpu_idle_on_new_stack(struct thread_info *old_ti,

				  unsigned long new_sp,

				  unsigned long new_ss10);



#else /* __ASSEMBLY__ */

#else /* __ASSEMBLY__ */





/*

/*

arch/tile/kernel/entry.S

+0 −14
Original line number Original line Diff line number Diff line
@@ -68,20 +68,6 @@ STD_ENTRY(KBacktraceIterator_init_current) 
	jrp lr   /* keep backtracer happy */

	jrp lr   /* keep backtracer happy */

	STD_ENDPROC(KBacktraceIterator_init_current)

	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. */

/* Loop forever on a nap during SMP boot. */

STD_ENTRY(smp_nap)

STD_ENTRY(smp_nap)

	nap

	nap