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| author | Chris Metcalf <cmetcalf@tilera.com> | 2012-06-06 11:21:44 -0400 |
|---|---|---|
| committer | Chris Metcalf <cmetcalf@tilera.com> | 2012-06-06 11:29:31 -0400 |
| commit | 10db9e009af5c3647b9ee742dcb14f6ff447a2a5 (patch) | |
| tree | f386b8fff498c4594700d73af79c7b60d486b530 | |
| parent | f8f5701bdaf9134b1f90e5044a82c66324d2073f (diff) | |
| download | lwn-10db9e009af5c3647b9ee742dcb14f6ff447a2a5.tar.gz lwn-10db9e009af5c3647b9ee742dcb14f6ff447a2a5.zip | |
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>
| -rw-r--r-- | arch/tile/include/asm/thread_info.h | 5 | ||||
| -rw-r--r-- | arch/tile/kernel/entry.S | 14 |
2 files changed, 0 insertions, 19 deletions
diff --git a/arch/tile/include/asm/thread_info.h b/arch/tile/include/asm/thread_info.h index 7e1fef36bde6..e9c670d7a7fe 100644 --- a/arch/tile/include/asm/thread_info.h +++ b/arch/tile/include/asm/thread_info.h @@ -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__ */ /* 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 |