X-Git-Url: http://git.agner.ch/gitweb/?a=blobdiff_plain;f=arch%2Fum%2Fkernel%2Ftrap.c;h=26f15c4585747c3bf1d95fef79276e628b69c7f6;hb=7baca6ad0ef09c8a78d798c93a3ce25336e8f50f;hp=61a23fff4395e822f1ee481a9ab589003201b1ba;hpb=ac7f6b5e44cb0982b98c31fa33298ba73fb5dcfc;p=linux-drm-fsl-dcu.git

diff --git a/arch/um/kernel/trap.c b/arch/um/kernel/trap.c
index 61a23fff4395..26f15c458574 100644
--- a/arch/um/kernel/trap.c
+++ b/arch/um/kernel/trap.c
@@ -8,7 +8,6 @@
 #include "linux/sched.h"
 #include "linux/mm.h"
 #include "linux/spinlock.h"
-#include "linux/config.h"
 #include "linux/init.h"
 #include "linux/ptrace.h"
 #include "asm/semaphore.h"
@@ -120,7 +119,7 @@ out_nosemaphore:
  * us unable to handle the page fault gracefully.
  */
 out_of_memory:
-	if (current->pid == 1) {
+	if (is_init(current)) {
 		up_read(&mm->mmap_sem);
 		yield();
 		down_read(&mm->mmap_sem);
@@ -129,7 +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);
 
@@ -206,17 +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))
@@ -233,14 +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);
 }