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tile: remove cpu_idle_on_new_stack

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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>
This commit is contained in:
Chris Metcalf 2012-06-06 11:21:44 -04:00
parent f8f5701bda
commit 10db9e009a
2 changed files with 0 additions and 19 deletions
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5
arch/tile/include/asm/thread_info.h
View File

@ -91,11 +91,6 @@ extern void smp_nap(void);
/* Enable interrupts racelessly and nap forever: helper for cpu_idle(). */
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__ */
/*

14
arch/tile/kernel/entry.S
View File

@ -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