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authorJeff Dike <jdike@addtoit.com>2007-02-10 01:44:14 -0800
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-02-11 10:51:22 -0800
commit27aa6ef3c0e8220b27b0a8d2d0bae7cd0a6d2f78 (patch)
tree322d8ee8ad1de886c33c1fda0bdd1c9cbab8a82a
parent6d1b18b16fc917e5c9af568a53c7e37923821d70 (diff)
[PATCH] uml: make signal handlers static
A bunch of the signal handlers can be made static. Signed-off-by: Jeff Dike <jdike@addtoit.com> Cc: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
-rw-r--r--arch/um/include/kern_util.h4
-rw-r--r--arch/um/kernel/trap.c28
2 files changed, 14 insertions, 18 deletions
diff --git a/arch/um/include/kern_util.h b/arch/um/include/kern_util.h
index 3368ef97437..173af029d12 100644
--- a/arch/um/include/kern_util.h
+++ b/arch/um/include/kern_util.h
@@ -87,7 +87,6 @@ extern void timer_irq(union uml_pt_regs *regs);
extern void unprotect_stack(unsigned long stack);
extern void do_uml_exitcalls(void);
extern int attach_debugger(int idle_pid, int pid, int stop);
-extern void bad_segv(struct faultinfo fi, unsigned long ip);
extern int config_gdb(char *str);
extern int remove_gdb(void);
extern char *uml_strdup(char *string);
@@ -103,8 +102,6 @@ extern int clear_user_proc(void *buf, int size);
extern int copy_to_user_proc(void *to, void *from, int size);
extern int copy_from_user_proc(void *to, void *from, int size);
extern int strlen_user_proc(char *str);
-extern void bus_handler(int sig, union uml_pt_regs *regs);
-extern void winch(int sig, union uml_pt_regs *regs);
extern long execute_syscall(void *r);
extern int smp_sigio_handler(void);
extern void *get_current(void);
@@ -119,7 +116,6 @@ extern void time_init_kern(void);
/* Are we disallowed to sleep? Used to choose between GFP_KERNEL and GFP_ATOMIC. */
extern int __cant_sleep(void);
-extern void segv_handler(int sig, union uml_pt_regs *regs);
extern void sigio_handler(int sig, union uml_pt_regs *regs);
#endif
diff --git a/arch/um/kernel/trap.c b/arch/um/kernel/trap.c
index b5f124a2f6a..26f15c45857 100644
--- a/arch/um/kernel/trap.c
+++ b/arch/um/kernel/trap.c
@@ -128,7 +128,18 @@ out_of_memory:
goto out;
}
-void segv_handler(int sig, union uml_pt_regs *regs)
+static void bad_segv(struct faultinfo fi, unsigned long ip)
+{
+ struct siginfo si;
+
+ si.si_signo = SIGSEGV;
+ si.si_code = SEGV_ACCERR;
+ si.si_addr = (void __user *) FAULT_ADDRESS(fi);
+ current->thread.arch.faultinfo = fi;
+ force_sig_info(SIGSEGV, &si, current);
+}
+
+static void segv_handler(int sig, union uml_pt_regs *regs)
{
struct faultinfo * fi = UPT_FAULTINFO(regs);
@@ -205,17 +216,6 @@ unsigned long segv(struct faultinfo fi, unsigned long ip, int is_user, void *sc)
return(0);
}
-void bad_segv(struct faultinfo fi, unsigned long ip)
-{
- struct siginfo si;
-
- si.si_signo = SIGSEGV;
- si.si_code = SEGV_ACCERR;
- si.si_addr = (void __user *) FAULT_ADDRESS(fi);
- current->thread.arch.faultinfo = fi;
- force_sig_info(SIGSEGV, &si, current);
-}
-
void relay_signal(int sig, union uml_pt_regs *regs)
{
if(arch_handle_signal(sig, regs))
@@ -232,14 +232,14 @@ void relay_signal(int sig, union uml_pt_regs *regs)
force_sig(sig, current);
}
-void bus_handler(int sig, union uml_pt_regs *regs)
+static void bus_handler(int sig, union uml_pt_regs *regs)
{
if(current->thread.fault_catcher != NULL)
do_longjmp(current->thread.fault_catcher, 1);
else relay_signal(sig, regs);
}
-void winch(int sig, union uml_pt_regs *regs)
+static void winch(int sig, union uml_pt_regs *regs)
{
do_IRQ(WINCH_IRQ, regs);
}