[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>

diff --git a/arch/um/include/kern_util.h b/arch/um/include/kern_util.h
index 3368ef974379cd0efee146e3c481cf1dbc382b9d..173af029d12b6ec9280c28acbe851ad5b1f7443d 100644 (file)
--- 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 b5f124a2f6ae843b48d33ca02c2a9800a695578d..26f15c4585747c3bf1d95fef79276e628b69c7f6 100644 (file)
--- 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);
 }