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uml: remove code made redundant by CHOOSE_MODE removal

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This patch makes a number of simplifications enabled by the removal of
CHOOSE_MODE.  There were lots of functions that looked like

	int foo(args){
		foo_skas(args);
	}

The bodies of foo_skas are now folded into foo, and their declarations (and
sometimes entire header files) are deleted.

In addition, the union uml_pt_regs, which was a union between the tt and skas
register formats, is now a struct, with the tt-mode arm of the union being
removed.

It turns out that usr2_handler was unused, so it is gone.

Signed-off-by: Jeff Dike <jdike@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Jeff Dike
2007-10-16 01:26:58 -07:00
committed by Linus Torvalds
parent ae2587e412
commit 77bf440031
63 changed files with 510 additions and 810 deletions
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16
include/asm-um/processor-generic.h
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@@ -32,12 +32,8 @@ struct thread_struct {
unsigned long temp_stack;
void *exec_buf;
struct arch_thread arch;
union {
struct {
jmp_buf switch_buf;
int mm_count;
} skas;
} mode;
jmp_buf switch_buf;
int mm_count;
struct {
int op;
union {
@@ -75,7 +71,10 @@ typedef struct {
extern struct task_struct *alloc_task_struct(void);
extern void release_thread(struct task_struct *);
static inline void release_thread(struct task_struct *task)
{
}
extern int kernel_thread(int (*fn)(void *), void * arg, unsigned long flags);
static inline void prepare_to_copy(struct task_struct *tsk)
@@ -125,8 +124,7 @@ extern struct cpuinfo_um cpu_data[];
#endif
#define KSTK_REG(tsk, reg) \
get_thread_reg(reg, &tsk->thread.mode.skas.switch_buf)
#define KSTK_REG(tsk, reg) get_thread_reg(reg, &tsk->thread.switch_buf)
#define get_wchan(p) (0)
#endif