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; static unsigned long empty_bad_page; -unsigned long empty_zero_page; +static unsigned long empty_zero_page; -extern unsigned long exception_stack[NR_CPUS][1024]; +#ifndef CONFIG_EXCEPTION_L1_SCRATCH +#if defined CONFIG_SYSCALL_TAB_L1 +__attribute__((l1_data)) +#endif +static unsigned long exception_stack[NR_CPUS][1024]; +#endif struct blackfin_pda cpu_pda[NR_CPUS]; EXPORT_SYMBOL(cpu_pda); @@ -117,7 +122,12 @@ asmlinkage void __init init_pda(void) cpu_pda[0].next = &cpu_pda[1]; cpu_pda[1].next = &cpu_pda[0]; +#ifdef CONFIG_EXCEPTION_L1_SCRATCH + cpu_pda[cpu].ex_stack = (unsigned long *)(L1_SCRATCH_START + \ + L1_SCRATCH_LENGTH); +#else cpu_pda[cpu].ex_stack = exception_stack[cpu + 1]; +#endif #ifdef CONFIG_SMP cpu_pda[cpu].imask = 0x1f; |