diff options
Diffstat (limited to 'arch/blackfin/kernel/process.c')
| -rw-r--r-- | arch/blackfin/kernel/process.c | 32 |
1 files changed, 22 insertions, 10 deletions
diff --git a/arch/blackfin/kernel/process.c b/arch/blackfin/kernel/process.c index 0c3ea118b65..33e2e8993f7 100644 --- a/arch/blackfin/kernel/process.c +++ b/arch/blackfin/kernel/process.c @@ -39,6 +39,7 @@ #include <asm/blackfin.h> #include <asm/fixed_code.h> +#include <asm/mem_map.h> asmlinkage void ret_from_fork(void); @@ -81,11 +82,14 @@ void cpu_idle(void)__attribute__((l1_text)); */ static void default_idle(void) { - local_irq_disable(); +#ifdef CONFIG_IPIPE + ipipe_suspend_domain(); +#endif + local_irq_disable_hw(); if (!need_resched()) idle_with_irq_disabled(); - local_irq_enable(); + local_irq_enable_hw(); } /* @@ -154,6 +158,7 @@ pid_t kernel_thread(int (*fn) (void *), void *arg, unsigned long flags) return do_fork(flags | CLONE_VM | CLONE_UNTRACED, 0, ®s, 0, NULL, NULL); } +EXPORT_SYMBOL(kernel_thread); void flush_thread(void) { @@ -170,6 +175,13 @@ asmlinkage int bfin_clone(struct pt_regs *regs) unsigned long clone_flags; unsigned long newsp; +#ifdef __ARCH_SYNC_CORE_DCACHE + if (current->rt.nr_cpus_allowed == num_possible_cpus()) { + current->cpus_allowed = cpumask_of_cpu(smp_processor_id()); + current->rt.nr_cpus_allowed = 1; + } +#endif + /* syscall2 puts clone_flags in r0 and usp in r1 */ clone_flags = regs->r0; newsp = regs->r1; @@ -337,22 +349,22 @@ int _access_ok(unsigned long addr, unsigned long size) if (addr >= (unsigned long)__init_begin && addr + size <= (unsigned long)__init_end) return 1; - if (addr >= L1_SCRATCH_START - && addr + size <= L1_SCRATCH_START + L1_SCRATCH_LENGTH) + if (addr >= get_l1_scratch_start() + && addr + size <= get_l1_scratch_start() + L1_SCRATCH_LENGTH) return 1; #if L1_CODE_LENGTH != 0 - if (addr >= L1_CODE_START + (_etext_l1 - _stext_l1) - && addr + size <= L1_CODE_START + L1_CODE_LENGTH) + if (addr >= get_l1_code_start() + (_etext_l1 - _stext_l1) + && addr + size <= get_l1_code_start() + L1_CODE_LENGTH) return 1; #endif #if L1_DATA_A_LENGTH != 0 - if (addr >= L1_DATA_A_START + (_ebss_l1 - _sdata_l1) - && addr + size <= L1_DATA_A_START + L1_DATA_A_LENGTH) + if (addr >= get_l1_data_a_start() + (_ebss_l1 - _sdata_l1) + && addr + size <= get_l1_data_a_start() + L1_DATA_A_LENGTH) return 1; #endif #if L1_DATA_B_LENGTH != 0 - if (addr >= L1_DATA_B_START + (_ebss_b_l1 - _sdata_b_l1) - && addr + size <= L1_DATA_B_START + L1_DATA_B_LENGTH) + if (addr >= get_l1_data_b_start() + (_ebss_b_l1 - _sdata_b_l1) + && addr + size <= get_l1_data_b_start() + L1_DATA_B_LENGTH) return 1; #endif #if L2_LENGTH != 0 |