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authorJeff Garzik <jgarzik@pobox.com>2005-09-23 19:03:21 -0400
committerJeff Garzik <jgarzik@pobox.com>2005-09-23 19:03:21 -0400
commit536f8098026bde1368bbfcbcb9682a7637b73df2 (patch)
treecf83d2e1afa503b6aeba103b55cd1da0af4e7a4c /arch/um/kernel/skas
parente86ee6682b649183c11013a98be02f25e9ae399d (diff)
parent3fd07d3bf0077dcc0f5a33d2eb1938ea050da8da (diff)
Merge /spare/repo/linux-2.6/
Diffstat (limited to 'arch/um/kernel/skas')
-rw-r--r--arch/um/kernel/skas/include/mode_kern-skas.h2
-rw-r--r--arch/um/kernel/skas/include/uaccess-skas.h6
-rw-r--r--arch/um/kernel/skas/process_kern.c7
3 files changed, 2 insertions, 13 deletions
diff --git a/arch/um/kernel/skas/include/mode_kern-skas.h b/arch/um/kernel/skas/include/mode_kern-skas.h
index e48490028111..c97a80dfe370 100644
--- a/arch/um/kernel/skas/include/mode_kern-skas.h
+++ b/arch/um/kernel/skas/include/mode_kern-skas.h
@@ -11,7 +11,7 @@
11#include "asm/ptrace.h" 11#include "asm/ptrace.h"
12 12
13extern void flush_thread_skas(void); 13extern void flush_thread_skas(void);
14extern void *switch_to_skas(void *prev, void *next); 14extern void switch_to_skas(void *prev, void *next);
15extern void start_thread_skas(struct pt_regs *regs, unsigned long eip, 15extern void start_thread_skas(struct pt_regs *regs, unsigned long eip,
16 unsigned long esp); 16 unsigned long esp);
17extern int copy_thread_skas(int nr, unsigned long clone_flags, 17extern int copy_thread_skas(int nr, unsigned long clone_flags,
diff --git a/arch/um/kernel/skas/include/uaccess-skas.h b/arch/um/kernel/skas/include/uaccess-skas.h
index 6ee3f3902e68..7da0c2def0ef 100644
--- a/arch/um/kernel/skas/include/uaccess-skas.h
+++ b/arch/um/kernel/skas/include/uaccess-skas.h
@@ -18,12 +18,6 @@
18 ((unsigned long) (addr) + (size) <= FIXADDR_USER_END) && \ 18 ((unsigned long) (addr) + (size) <= FIXADDR_USER_END) && \
19 ((unsigned long) (addr) + (size) >= (unsigned long)(addr)))) 19 ((unsigned long) (addr) + (size) >= (unsigned long)(addr))))
20 20
21static inline int verify_area_skas(int type, const void __user * addr,
22 unsigned long size)
23{
24 return(access_ok_skas(type, addr, size) ? 0 : -EFAULT);
25}
26
27extern int copy_from_user_skas(void *to, const void __user *from, int n); 21extern int copy_from_user_skas(void *to, const void __user *from, int n);
28extern int copy_to_user_skas(void __user *to, const void *from, int n); 22extern int copy_to_user_skas(void __user *to, const void *from, int n);
29extern int strncpy_from_user_skas(char *dst, const char __user *src, int count); 23extern int strncpy_from_user_skas(char *dst, const char __user *src, int count);
diff --git a/arch/um/kernel/skas/process_kern.c b/arch/um/kernel/skas/process_kern.c
index 3d1b227226e6..efe92e8aa2a9 100644
--- a/arch/um/kernel/skas/process_kern.c
+++ b/arch/um/kernel/skas/process_kern.c
@@ -24,7 +24,7 @@
24#include "proc_mm.h" 24#include "proc_mm.h"
25#include "registers.h" 25#include "registers.h"
26 26
27void *switch_to_skas(void *prev, void *next) 27void switch_to_skas(void *prev, void *next)
28{ 28{
29 struct task_struct *from, *to; 29 struct task_struct *from, *to;
30 30
@@ -35,16 +35,11 @@ void *switch_to_skas(void *prev, void *next)
35 if(current->pid == 0) 35 if(current->pid == 0)
36 switch_timers(0); 36 switch_timers(0);
37 37
38 to->thread.prev_sched = from;
39 set_current(to);
40
41 switch_threads(&from->thread.mode.skas.switch_buf, 38 switch_threads(&from->thread.mode.skas.switch_buf,
42 to->thread.mode.skas.switch_buf); 39 to->thread.mode.skas.switch_buf);
43 40
44 if(current->pid == 0) 41 if(current->pid == 0)
45 switch_timers(1); 42 switch_timers(1);
46
47 return(current->thread.prev_sched);
48} 43}
49 44
50extern void schedule_tail(struct task_struct *prev); 45extern void schedule_tail(struct task_struct *prev);