diff options
| author | Ingo Molnar <mingo@elte.hu> | 2008-02-21 05:18:40 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-04-17 17:40:49 +0200 |
| commit | 513ad84bf60d96a6998bca10ed07c3d340449be8 (patch) | |
| tree | 2a1600178aea7e130c5881ac861cb5aa69450937 /include | |
| parent | 1180e01de50c0c7683c6648251f32957bc2d7850 (diff) | |
x86: de-macro start_thread()
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include')
| -rw-r--r-- | include/asm-x86/processor.h | 29 |
1 files changed, 3 insertions, 26 deletions
diff --git a/include/asm-x86/processor.h b/include/asm-x86/processor.h index 43d2cc829a9..9054734589f 100644 --- a/include/asm-x86/processor.h +++ b/include/asm-x86/processor.h @@ -817,20 +817,6 @@ static inline void spin_lock_prefetch(const void *x) .io_bitmap = { [0 ... IO_BITMAP_LONGS] = ~0 }, \ } -#define start_thread(regs, new_eip, new_esp) \ -do { \ - __asm__("movl %0,%%gs": :"r" (0)); \ - regs->fs = 0; \ - set_fs(USER_DS); \ - regs->ds = __USER_DS; \ - regs->es = __USER_DS; \ - regs->ss = __USER_DS; \ - regs->cs = __USER_CS; \ - regs->ip = new_eip; \ - regs->sp = new_esp; \ -} while (0) - - extern unsigned long thread_saved_pc(struct task_struct *tsk); #define THREAD_SIZE_LONGS (THREAD_SIZE/sizeof(unsigned long)) @@ -887,18 +873,6 @@ extern unsigned long thread_saved_pc(struct task_struct *tsk); .x86_tss.sp0 = (unsigned long)&init_stack + sizeof(init_stack) \ } -#define start_thread(regs, new_rip, new_rsp) do { \ - asm volatile("movl %0,%%fs; movl %0,%%es; movl %0,%%ds": :"r" (0)); \ - load_gs_index(0); \ - (regs)->ip = (new_rip); \ - (regs)->sp = (new_rsp); \ - write_pda(oldrsp, (new_rsp)); \ - (regs)->cs = __USER_CS; \ - (regs)->ss = __USER_DS; \ - (regs)->flags = 0x200; \ - set_fs(USER_DS); \ -} while (0) - /* * Return saved PC of a blocked thread. * What is this good for? it will be always the scheduler or ret_from_fork. @@ -909,6 +883,9 @@ extern unsigned long thread_saved_pc(struct task_struct *tsk); #define KSTK_ESP(tsk) -1 /* sorry. doesn't work for syscall. */ #endif /* CONFIG_X86_64 */ +extern void start_thread(struct pt_regs *regs, unsigned long new_ip, + unsigned long new_sp); + /* * This decides where the kernel will search for a free chunk of vm * space during mmap's. |