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-rw-r--r--arch/blackfin/mm/init.c14
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
53static unsigned long empty_bad_page; 53static unsigned long empty_bad_page;
54 54
55unsigned long empty_zero_page; 55static unsigned long empty_zero_page;
56 56
57extern 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
61static unsigned long exception_stack[NR_CPUS][1024];
62#endif
58 63
59struct blackfin_pda cpu_pda[NR_CPUS]; 64struct blackfin_pda cpu_pda[NR_CPUS];
60EXPORT_SYMBOL(cpu_pda); 65EXPORT_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;