diff options
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 /arch | |
parent | f8f5701bdaf9134b1f90e5044a82c66324d2073f (diff) |
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>
Diffstat (limited to 'arch')
-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); | |||
91 | /* Enable interrupts racelessly and nap forever: helper for cpu_idle(). */ | 91 | /* Enable interrupts racelessly and nap forever: helper for cpu_idle(). */ |
92 | extern void _cpu_idle(void); | 92 | extern void _cpu_idle(void); |
93 | 93 | ||
94 | /* Switch boot idle thread to a freshly-allocated stack and free old stack. */ | ||
95 | extern void cpu_idle_on_new_stack(struct thread_info *old_ti, | ||
96 | unsigned long new_sp, | ||
97 | unsigned long new_ss10); | ||
98 | |||
99 | #else /* __ASSEMBLY__ */ | 94 | #else /* __ASSEMBLY__ */ |
100 | 95 | ||
101 | /* | 96 | /* |
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) | |||
68 | jrp lr /* keep backtracer happy */ | 68 | jrp lr /* keep backtracer happy */ |
69 | STD_ENDPROC(KBacktraceIterator_init_current) | 69 | STD_ENDPROC(KBacktraceIterator_init_current) |
70 | 70 | ||
71 | /* | ||
72 | * Reset our stack to r1/r2 (sp and ksp0+cpu respectively), then | ||
73 | * free the old stack (passed in r0) and re-invoke cpu_idle(). | ||
74 | * We update sp and ksp0 simultaneously to avoid backtracer warnings. | ||
75 | */ | ||
76 | STD_ENTRY(cpu_idle_on_new_stack) | ||
77 | { | ||
78 | move sp, r1 | ||
79 | mtspr SPR_SYSTEM_SAVE_K_0, r2 | ||
80 | } | ||
81 | jal free_thread_info | ||
82 | j cpu_idle | ||
83 | STD_ENDPROC(cpu_idle_on_new_stack) | ||
84 | |||
85 | /* Loop forever on a nap during SMP boot. */ | 71 | /* Loop forever on a nap during SMP boot. */ |
86 | STD_ENTRY(smp_nap) | 72 | STD_ENTRY(smp_nap) |
87 | nap | 73 | nap |