[PATCH] uml: S390 preparation, abstract host page fault data

[net-next-2.6.git] / arch / um / sys-i386 / signal.c

diff --git a/arch/um/sys-i386/signal.c b/arch/um/sys-i386/signal.c
index 76ba87254b251d7091ca919a9f8f2ec74bf87772..03913ca5d256ac2f7c699e57dde29523dd51b52b 100644 (file)
--- a/arch/um/sys-i386/signal.c
+++ b/arch/um/sys-i386/signal.c
@@ -47,9 +47,6 @@ static int copy_sc_from_user_skas(struct pt_regs *regs,
        REGS_CS(regs->regs.skas.regs) = sc.cs;
        REGS_EFLAGS(regs->regs.skas.regs) = sc.eflags;
        REGS_SS(regs->regs.skas.regs) = sc.ss;
-       regs->regs.skas.fault_addr = sc.cr2;
-       regs->regs.skas.fault_type = FAULT_WRITE(sc.err);
-       regs->regs.skas.trap_type = sc.trapno;
 
        err = restore_fp_registers(userspace_pid[0], fpregs);
        if(err < 0){
@@ -62,11 +59,11 @@ static int copy_sc_from_user_skas(struct pt_regs *regs,
 }
 
 int copy_sc_to_user_skas(struct sigcontext *to, struct _fpstate *to_fp,
-                        struct pt_regs *regs, unsigned long fault_addr,
-                        int fault_type)
+                         struct pt_regs *regs)
 {
        struct sigcontext sc;
        unsigned long fpregs[HOST_FP_SIZE];
+       struct faultinfo * fi = &current->thread.arch.faultinfo;
        int err;
 
        sc.gs = REGS_GS(regs->regs.skas.regs);
@@ -86,9 +83,9 @@ int copy_sc_to_user_skas(struct sigcontext *to, struct _fpstate *to_fp,
        sc.eflags = REGS_EFLAGS(regs->regs.skas.regs);
        sc.esp_at_signal = regs->regs.skas.regs[UESP];
        sc.ss = regs->regs.skas.regs[SS];
-       sc.cr2 = fault_addr;
-       sc.err = TO_SC_ERR(fault_type);
-       sc.trapno = regs->regs.skas.trap_type;
+        sc.cr2 = fi->cr2;
+        sc.err = fi->error_code;
+        sc.trapno = fi->trap_no;
 
        err = save_fp_registers(userspace_pid[0], fpregs);
        if(err < 0){
@@ -167,9 +164,7 @@ static int copy_sc_to_user(struct sigcontext *to, struct _fpstate *fp,
 {
        return(CHOOSE_MODE(copy_sc_to_user_tt(to, fp, UPT_SC(&from->regs),
                                              sizeof(*fp)),
-                          copy_sc_to_user_skas(to, fp, from,
-                                               current->thread.cr2,
-                                               current->thread.err)));
+                           copy_sc_to_user_skas(to, fp, from)));
 }
 
 static int copy_ucontext_to_user(struct ucontext *uc, struct _fpstate *fp,