diff options
Diffstat (limited to 'arch/blackfin/mm')
-rw-r--r-- | arch/blackfin/mm/init.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/arch/blackfin/mm/init.c b/arch/blackfin/mm/init.c index 9c3629b9a689..00543c813f4a 100644 --- a/arch/blackfin/mm/init.c +++ b/arch/blackfin/mm/init.c | |||
@@ -52,9 +52,14 @@ static unsigned long empty_bad_page_table; | |||
52 | 52 | ||
53 | static unsigned long empty_bad_page; | 53 | static unsigned long empty_bad_page; |
54 | 54 | ||
55 | unsigned long empty_zero_page; | 55 | static unsigned long empty_zero_page; |
56 | 56 | ||
57 | extern unsigned long exception_stack[NR_CPUS][1024]; | 57 | #ifndef CONFIG_EXCEPTION_L1_SCRATCH |
58 | #if defined CONFIG_SYSCALL_TAB_L1 | ||
59 | __attribute__((l1_data)) | ||
60 | #endif | ||
61 | static unsigned long exception_stack[NR_CPUS][1024]; | ||
62 | #endif | ||
58 | 63 | ||
59 | struct blackfin_pda cpu_pda[NR_CPUS]; | 64 | struct blackfin_pda cpu_pda[NR_CPUS]; |
60 | EXPORT_SYMBOL(cpu_pda); | 65 | EXPORT_SYMBOL(cpu_pda); |
@@ -117,7 +122,12 @@ asmlinkage void __init init_pda(void) | |||
117 | cpu_pda[0].next = &cpu_pda[1]; | 122 | cpu_pda[0].next = &cpu_pda[1]; |
118 | cpu_pda[1].next = &cpu_pda[0]; | 123 | cpu_pda[1].next = &cpu_pda[0]; |
119 | 124 | ||
125 | #ifdef CONFIG_EXCEPTION_L1_SCRATCH | ||
126 | cpu_pda[cpu].ex_stack = (unsigned long *)(L1_SCRATCH_START + \ | ||
127 | L1_SCRATCH_LENGTH); | ||
128 | #else | ||
120 | cpu_pda[cpu].ex_stack = exception_stack[cpu + 1]; | 129 | cpu_pda[cpu].ex_stack = exception_stack[cpu + 1]; |
130 | #endif | ||
121 | 131 | ||
122 | #ifdef CONFIG_SMP | 132 | #ifdef CONFIG_SMP |
123 | cpu_pda[cpu].imask = 0x1f; | 133 | cpu_pda[cpu].imask = 0x1f; |