diff options
| author | Sonic Zhang <sonic.zhang@analog.com> | 2009-01-07 23:14:38 +0800 |
|---|---|---|
| committer | Bryan Wu <cooloney@kernel.org> | 2009-01-07 23:14:38 +0800 |
| commit | cc92b870a779500f444419f27bf73c6c7660ff9c (patch) | |
| tree | b82430fe2c0aaa72ea4ebdbc21fb1f2ce8cca7c2 /arch/blackfin/include/asm/processor.h | |
| parent | 459249aa2d9ae02f49479a2096e5372ccc29c9be (diff) | |
Blackfin arch: disable pthread stack check for SMP at runtime
Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
Diffstat (limited to 'arch/blackfin/include/asm/processor.h')
| -rw-r--r-- | arch/blackfin/include/asm/processor.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/arch/blackfin/include/asm/processor.h b/arch/blackfin/include/asm/processor.h index 83d57a85b14f..0eece23b41c7 100644 --- a/arch/blackfin/include/asm/processor.h +++ b/arch/blackfin/include/asm/processor.h @@ -65,6 +65,7 @@ struct thread_struct { * pass the data segment into user programs if it exists, * it can't hurt anything as far as I can tell */ +#ifndef CONFIG_SMP #define start_thread(_regs, _pc, _usp) \ do { \ set_fs(USER_DS); \ @@ -78,6 +79,16 @@ do { \ sizeof(*L1_SCRATCH_TASK_INFO)); \ wrusp(_usp); \ } while(0) +#else +#define start_thread(_regs, _pc, _usp) \ +do { \ + set_fs(USER_DS); \ + (_regs)->pc = (_pc); \ + if (current->mm) \ + (_regs)->p5 = current->mm->start_data; \ + wrusp(_usp); \ +} while (0) +#endif /* Forward declaration, a strange C thing */ struct task_struct; |