1 files changed, 183 insertions, 188 deletions

diff --git a/arch/x86/ia32/ia32_signal.c b/arch/x86/ia32/ia32_signal.c
index 6ea19c25f90d..0fc5d8563e19 100644
--- a/arch/x86/ia32/ia32_signal.c
+++ b/arch/x86/ia32/ia32_signal.c
@@ -43,7 +43,8 @@ void signal_fault(struct pt_regs *regs, void __user *frame, char *where);
 int copy_siginfo_to_user32(compat_siginfo_t __user *to, siginfo_t *from)
 {
         int err;
-        if (!access_ok (VERIFY_WRITE, to, sizeof(compat_siginfo_t)))
+
+        if (!access_ok(VERIFY_WRITE, to, sizeof(compat_siginfo_t)))
                 return -EFAULT;
 
         /* If you change siginfo_t structure, please make sure that
@@ -53,16 +54,19 @@ int copy_siginfo_to_user32(compat_siginfo_t __user *to, siginfo_t *from)
            3 ints plus the relevant union member.  */
         err = __put_user(from->si_signo, &to->si_signo);
         err |= __put_user(from->si_errno, &to->si_errno);
-        err |= __put_user((short)from->si_code, &to->si_code);
+        err |= __put_user((short)from->si_code, &to->si_code);
 
         if (from->si_code < 0) {
                 err |= __put_user(from->si_pid, &to->si_pid);
-                err |= __put_user(from->si_uid, &to->si_uid);
-                err |= __put_user(ptr_to_compat(from->si_ptr), &to->si_ptr);
+                err |= __put_user(from->si_uid, &to->si_uid);
+                err |= __put_user(ptr_to_compat(from->si_ptr), &to->si_ptr);
         } else {
-                /* First 32bits of unions are always present:
-                 * si_pid === si_band === si_tid === si_addr(LS half) */
-                err |= __put_user(from->_sifields._pad[0], &to->_sifields._pad[0]);
+                /*
+                 * First 32bits of unions are always present:
+                 * si_pid === si_band === si_tid === si_addr(LS half)
+                 */
+                err |= __put_user(from->_sifields._pad[0],
+                                  &to->_sifields._pad[0]);
                 switch (from->si_code >> 16) {
                 case __SI_FAULT >> 16:
                         break;
@@ -76,14 +80,15 @@ int copy_siginfo_to_user32(compat_siginfo_t __user *to, siginfo_t *from)
                         err |= __put_user(from->si_uid, &to->si_uid);
                         break;
                 case __SI_POLL >> 16:
-                        err |= __put_user(from->si_fd, &to->si_fd); 
+                        err |= __put_user(from->si_fd, &to->si_fd);
                         break;
                 case __SI_TIMER >> 16:
-                        err |= __put_user(from->si_overrun, &to->si_overrun); 
+                        err |= __put_user(from->si_overrun, &to->si_overrun);
                         err |= __put_user(ptr_to_compat(from->si_ptr),
-                                        &to->si_ptr);
+                                          &to->si_ptr);
                         break;
-                case __SI_RT >> 16: /* This is not generated by the kernel as of now.  */
+                         /* This is not generated by the kernel as of now.  */
+                case __SI_RT >> 16:
                 case __SI_MESGQ >> 16:
                         err |= __put_user(from->si_uid, &to->si_uid);
                         err |= __put_user(from->si_int, &to->si_int);
@@ -97,7 +102,8 @@ int copy_siginfo_from_user32(siginfo_t *to, compat_siginfo_t __user *from)
 {
         int err;
         u32 ptr32;
-        if (!access_ok (VERIFY_READ, from, sizeof(compat_siginfo_t)))
+
+        if (!access_ok(VERIFY_READ, from, sizeof(compat_siginfo_t)))
                 return -EFAULT;
 
         err = __get_user(to->si_signo, &from->si_signo);
@@ -112,8 +118,7 @@ int copy_siginfo_from_user32(siginfo_t *to, compat_siginfo_t __user *from)
         return err;
 }
 
-asmlinkage long
-sys32_sigsuspend(int history0, int history1, old_sigset_t mask)
+asmlinkage long sys32_sigsuspend(int history0, int history1, old_sigset_t mask)
 {
         mask &= _BLOCKABLE;
         spin_lock_irq(&current->sighand->siglock);
@@ -128,36 +133,37 @@ sys32_sigsuspend(int history0, int history1, old_sigset_t mask)
         return -ERESTARTNOHAND;
 }
 
-asmlinkage long
-sys32_sigaltstack(const stack_ia32_t __user *uss_ptr,
-                  stack_ia32_t __user *uoss_ptr, 
-                  struct pt_regs *regs)
+asmlinkage long sys32_sigaltstack(const stack_ia32_t __user *uss_ptr,
+                                  stack_ia32_t __user *uoss_ptr,
+                                  struct pt_regs *regs)
 {
-        stack_t uss,uoss; 
+        stack_t uss, uoss;
         int ret;
-        mm_segment_t seg; 
-        if (uss_ptr) { 
+        mm_segment_t seg;
+
+        if (uss_ptr) {
                 u32 ptr;
-                memset(&uss,0,sizeof(stack_t));
-                if (!access_ok(VERIFY_READ,uss_ptr,sizeof(stack_ia32_t)) ||
+
+                memset(&uss, 0, sizeof(stack_t));
+                if (!access_ok(VERIFY_READ, uss_ptr, sizeof(stack_ia32_t)) ||
                             __get_user(ptr, &uss_ptr->ss_sp) ||
                             __get_user(uss.ss_flags, &uss_ptr->ss_flags) ||
                             __get_user(uss.ss_size, &uss_ptr->ss_size))
                         return -EFAULT;
                 uss.ss_sp = compat_ptr(ptr);
         }
-        seg = get_fs(); 
-        set_fs(KERNEL_DS); 
+        seg = get_fs();
+        set_fs(KERNEL_DS);
         ret = do_sigaltstack(uss_ptr ? &uss : NULL, &uoss, regs->rsp);
-        set_fs(seg); 
+        set_fs(seg);
         if (ret >= 0 && uoss_ptr)  {
-                if (!access_ok(VERIFY_WRITE,uoss_ptr,sizeof(stack_ia32_t)) ||
+                if (!access_ok(VERIFY_WRITE, uoss_ptr, sizeof(stack_ia32_t)) ||
                     __put_user(ptr_to_compat(uoss.ss_sp), &uoss_ptr->ss_sp) ||
                     __put_user(uoss.ss_flags, &uoss_ptr->ss_flags) ||
                     __put_user(uoss.ss_size, &uoss_ptr->ss_size))
                         ret = -EFAULT;
-        }       
-        return ret;     
+        }
+        return ret;
 }
 
 /*
@@ -186,18 +192,6 @@ struct rt_sigframe
         char retcode[8];
 };
 
-static int
-ia32_restore_sigcontext(struct pt_regs *regs, struct sigcontext_ia32 __user *sc, unsigned int *peax)
-{
-        unsigned int err = 0;
-        
-        /* Always make any pending restarted system calls return -EINTR */
-        current_thread_info()->restart_block.fn = do_no_restart_syscall;
-
-#if DEBUG_SIG
-        printk("SIG restore_sigcontext: sc=%p err(%x) eip(%x) cs(%x) flg(%x)\n",
-                sc, sc->err, sc->eip, sc->cs, sc->eflags);
-#endif
 #define COPY(x)         { \
         unsigned int reg;                       \
         err |= __get_user(reg, &sc->e ##x);     \
@@ -205,68 +199,78 @@ ia32_restore_sigcontext(struct pt_regs *regs, struct sigcontext_ia32 __user *sc,
 }
 
 #define RELOAD_SEG(seg,mask)                                            \
-        { unsigned int cur;                                             \
+        { unsigned int cur;                                             \
           unsigned short pre;                                           \
           err |= __get_user(pre, &sc->seg);                             \
-          asm volatile("movl %%" #seg ",%0" : "=r" (cur));              \
-          pre |= mask;                                                  \
-          if (pre != cur) loadsegment(seg,pre); }
-
-        /* Reload fs and gs if they have changed in the signal handler.
-           This does not handle long fs/gs base changes in the handler, but 
-           does not clobber them at least in the normal case. */ 
-        
-        {
-                unsigned gs, oldgs; 
-                err |= __get_user(gs, &sc->gs);
-                gs |= 3; 
-                asm("movl %%gs,%0" : "=r" (oldgs));
-                if (gs != oldgs)
-                load_gs_index(gs); 
-        } 
-        RELOAD_SEG(fs,3);
-        RELOAD_SEG(ds,3);
-        RELOAD_SEG(es,3);
+          asm volatile("movl %%" #seg ",%0" : "=r" (cur));              \
+          pre |= mask;                                                  \
+          if (pre != cur) loadsegment(seg, pre); }
+
+static int ia32_restore_sigcontext(struct pt_regs *regs,
+                                   struct sigcontext_ia32 __user *sc,
+                                   unsigned int *peax)
+{
+        unsigned int tmpflags, gs, oldgs, err = 0;
+        struct _fpstate_ia32 __user *buf;
+        u32 tmp;
+
+        /* Always make any pending restarted system calls return -EINTR */
+        current_thread_info()->restart_block.fn = do_no_restart_syscall;
+
+#if DEBUG_SIG
+        printk(KERN_DEBUG "SIG restore_sigcontext: "
+               "sc=%p err(%x) eip(%x) cs(%x) flg(%x)\n",
+               sc, sc->err, sc->eip, sc->cs, sc->eflags);
+#endif
+
+        /*
+         * Reload fs and gs if they have changed in the signal
+         * handler.  This does not handle long fs/gs base changes in
+         * the handler, but does not clobber them at least in the
+         * normal case.
+         */
+        err |= __get_user(gs, &sc->gs);
+        gs |= 3;
+        asm("movl %%gs,%0" : "=r" (oldgs));
+        if (gs != oldgs)
+                load_gs_index(gs);
+
+        RELOAD_SEG(fs, 3);
+        RELOAD_SEG(ds, 3);
+        RELOAD_SEG(es, 3);
 
         COPY(di); COPY(si); COPY(bp); COPY(sp); COPY(bx);
         COPY(dx); COPY(cx); COPY(ip);
-        /* Don't touch extended registers */ 
-        
-        err |= __get_user(regs->cs, &sc->cs); 
-        regs->cs |= 3;  
-        err |= __get_user(regs->ss, &sc->ss); 
-        regs->ss |= 3; 
-
-        {
-                unsigned int tmpflags;
-                err |= __get_user(tmpflags, &sc->eflags);
-                regs->eflags = (regs->eflags & ~0x40DD5) | (tmpflags & 0x40DD5);
-                regs->orig_rax = -1;            /* disable syscall checks */
-        }
+        /* Don't touch extended registers */
+
+        err |= __get_user(regs->cs, &sc->cs);
+        regs->cs |= 3;
+        err |= __get_user(regs->ss, &sc->ss);
+        regs->ss |= 3;
+
+        err |= __get_user(tmpflags, &sc->eflags);
+        regs->eflags = (regs->eflags & ~0x40DD5) | (tmpflags & 0x40DD5);
+        /* disable syscall checks */
+        regs->orig_rax = -1;
+
+        err |= __get_user(tmp, &sc->fpstate);
+        buf = compat_ptr(tmp);
+        if (buf) {
+                if (!access_ok(VERIFY_READ, buf, sizeof(*buf)))
+                        goto badframe;
+                err |= restore_i387_ia32(current, buf, 0);
+        } else {
+                struct task_struct *me = current;
 
-        {
-                u32 tmp;
-                struct _fpstate_ia32 __user * buf;
-                err |= __get_user(tmp, &sc->fpstate);
-                buf = compat_ptr(tmp);
-                if (buf) {
-                        if (!access_ok(VERIFY_READ, buf, sizeof(*buf)))
-                                goto badframe;
-                        err |= restore_i387_ia32(current, buf, 0);
-                } else {
-                        struct task_struct *me = current;
-                        if (used_math()) {
-                                clear_fpu(me);
-                                clear_used_math();
-                        }
+                if (used_math()) {
+                        clear_fpu(me);
+                        clear_used_math();
                 }
         }
 
-        { 
-                u32 tmp;
-                err |= __get_user(tmp, &sc->eax);
-                *peax = tmp;
-        }
+        err |= __get_user(tmp, &sc->eax);
+        *peax = tmp;
+
         return err;
 
 badframe:
@@ -283,7 +287,8 @@ asmlinkage long sys32_sigreturn(struct pt_regs *regs)
                 goto badframe;
         if (__get_user(set.sig[0], &frame->sc.oldmask)
             || (_COMPAT_NSIG_WORDS > 1
-                && __copy_from_user((((char *) &set.sig) + 4), &frame->extramask,
+                && __copy_from_user((((char *) &set.sig) + 4),
+                                    &frame->extramask,
                                     sizeof(frame->extramask))))
                 goto badframe;
 
@@ -292,7 +297,7 @@ asmlinkage long sys32_sigreturn(struct pt_regs *regs)
         current->blocked = set;
         recalc_sigpending();
         spin_unlock_irq(&current->sighand->siglock);
-        
+
         if (ia32_restore_sigcontext(regs, &frame->sc, &eax))
                 goto badframe;
         return eax;
@@ -300,7 +305,7 @@ asmlinkage long sys32_sigreturn(struct pt_regs *regs)
 badframe:
         signal_fault(regs, frame, "32bit sigreturn");
         return 0;
-}       
+}
 
 asmlinkage long sys32_rt_sigreturn(struct pt_regs *regs)
 {
@@ -321,7 +326,7 @@ asmlinkage long sys32_rt_sigreturn(struct pt_regs *regs)
         current->blocked = set;
         recalc_sigpending();
         spin_unlock_irq(&current->sighand->siglock);
-        
+
         if (ia32_restore_sigcontext(regs, &frame->uc.uc_mcontext, &eax))
                 goto badframe;
 
@@ -332,17 +337,17 @@ asmlinkage long sys32_rt_sigreturn(struct pt_regs *regs)
         return eax;
 
 badframe:
-        signal_fault(regs,frame,"32bit rt sigreturn");
+        signal_fault(regs, frame, "32bit rt sigreturn");
         return 0;
-}       
+}
 
 /*
  * Set up a signal frame.
  */
 
-static int
-ia32_setup_sigcontext(struct sigcontext_ia32 __user *sc, struct _fpstate_ia32 __user *fpstate,
-                 struct pt_regs *regs, unsigned int mask)
+static int ia32_setup_sigcontext(struct sigcontext_ia32 __user *sc,
+                                 struct _fpstate_ia32 __user *fpstate,
+                                 struct pt_regs *regs, unsigned int mask)
 {
         int tmp, err = 0;
 
@@ -375,7 +380,7 @@ ia32_setup_sigcontext(struct sigcontext_ia32 __user *sc, struct _fpstate_ia32 __
         tmp = save_i387_ia32(current, fpstate, regs, 0);
         if (tmp < 0)
                 err = -EFAULT;
-        else { 
+        else {
                 clear_used_math();
                 stts();
                 err |= __put_user(ptr_to_compat(tmp ? fpstate : NULL),
@@ -392,8 +397,8 @@ ia32_setup_sigcontext(struct sigcontext_ia32 __user *sc, struct _fpstate_ia32 __
 /*
  * Determine which stack to use..
  */
-static void __user *
-get_sigframe(struct k_sigaction *ka, struct pt_regs * regs, size_t frame_size)
+static void __user *get_sigframe(struct k_sigaction *ka, struct pt_regs *regs,
+                                 size_t frame_size)
 {
         unsigned long rsp;
 
@@ -409,9 +414,8 @@ get_sigframe(struct k_sigaction *ka, struct pt_regs * regs, size_t frame_size)
         /* This is the legacy signal stack switching. */
         else if ((regs->ss & 0xffff) != __USER_DS &&
                 !(ka->sa.sa_flags & SA_RESTORER) &&
-                 ka->sa.sa_restorer) {
+                 ka->sa.sa_restorer)
                 rsp = (unsigned long) ka->sa.sa_restorer;
-        }
 
         rsp -= frame_size;
         /* Align the stack pointer according to the i386 ABI,
@@ -421,11 +425,25 @@ get_sigframe(struct k_sigaction *ka, struct pt_regs * regs, size_t frame_size)
 }
 
 int ia32_setup_frame(int sig, struct k_sigaction *ka,
-                     compat_sigset_t *set, struct pt_regs * regs)
+                     compat_sigset_t *set, struct pt_regs *regs)
 {
         struct sigframe __user *frame;
+        void __user *restorer;
         int err = 0;
 
+        /* copy_to_user optimizes that into a single 8 byte store */
+        static const struct {
+                u16 poplmovl;
+                u32 val;
+                u16 int80;
+                u16 pad;
+        } __attribute__((packed)) code = {
+                0xb858,          /* popl %eax ; movl $...,%eax */
+                __NR_ia32_sigreturn,
+                0x80cd,         /* int $0x80 */
+                0,
+        };
+
         frame = get_sigframe(ka, regs, sizeof(*frame));
 
         if (!access_ok(VERIFY_WRITE, frame, sizeof(*frame)))
@@ -443,38 +461,24 @@ int ia32_setup_frame(int sig, struct k_sigaction *ka,
         if (_COMPAT_NSIG_WORDS > 1) {
                 err |= __copy_to_user(frame->extramask, &set->sig[1],
                                       sizeof(frame->extramask));
+                if (err)
+                        goto give_sigsegv;
         }
-        if (err)
-                goto give_sigsegv;
 
         /* Return stub is in 32bit vsyscall page */
-        { 
-                void __user *restorer;
-                if (current->binfmt->hasvdso)
-                        restorer = VSYSCALL32_SIGRETURN;
-                else
-                        restorer = (void *)&frame->retcode;
-                if (ka->sa.sa_flags & SA_RESTORER)
-                        restorer = ka->sa.sa_restorer;       
-                err |= __put_user(ptr_to_compat(restorer), &frame->pretcode);
-        }
-        /* These are actually not used anymore, but left because some 
-           gdb versions depend on them as a marker. */
-        { 
-                /* copy_to_user optimizes that into a single 8 byte store */
-                static const struct { 
-                        u16 poplmovl;
-                        u32 val;
-                        u16 int80;    
-                        u16 pad; 
-                } __attribute__((packed)) code = { 
-                        0xb858,          /* popl %eax ; movl $...,%eax */
-                        __NR_ia32_sigreturn,   
-                        0x80cd,         /* int $0x80 */
-                        0,
-                }; 
-                err |= __copy_to_user(frame->retcode, &code, 8); 
-        }
+        if (current->binfmt->hasvdso)
+                restorer = VSYSCALL32_SIGRETURN;
+        else
+                restorer = (void *)&frame->retcode;
+        if (ka->sa.sa_flags & SA_RESTORER)
+                restorer = ka->sa.sa_restorer;
+        err |= __put_user(ptr_to_compat(restorer), &frame->pretcode);
+
+        /*
+         * These are actually not used anymore, but left because some
+         * gdb versions depend on them as a marker.
+         */
+        err |= __copy_to_user(frame->retcode, &code, 8);
         if (err)
                 goto give_sigsegv;
 
@@ -487,11 +491,11 @@ int ia32_setup_frame(int sig, struct k_sigaction *ka,
         regs->rdx = 0;
         regs->rcx = 0;
 
-        asm volatile("movl %0,%%ds" :: "r" (__USER32_DS)); 
-        asm volatile("movl %0,%%es" :: "r" (__USER32_DS)); 
+        asm volatile("movl %0,%%ds" :: "r" (__USER32_DS));
+        asm volatile("movl %0,%%es" :: "r" (__USER32_DS));
 
-        regs->cs = __USER32_CS; 
-        regs->ss = __USER32_DS; 
+        regs->cs = __USER32_CS;
+        regs->ss = __USER32_DS;
 
         set_fs(USER_DS);
         regs->eflags &= ~TF_MASK;
@@ -499,8 +503,8 @@ int ia32_setup_frame(int sig, struct k_sigaction *ka,
                 ptrace_notify(SIGTRAP);
 
 #if DEBUG_SIG
-        printk("SIG deliver (%s:%d): sp=%p pc=%lx ra=%u\n",
-                current->comm, current->pid, frame, regs->rip, frame->pretcode);
+        printk(KERN_DEBUG "SIG deliver (%s:%d): sp=%p pc=%lx ra=%u\n",
+               current->comm, current->pid, frame, regs->rip, frame->pretcode);
 #endif
 
         return 0;
@@ -511,25 +515,34 @@ give_sigsegv:
 }
 
 int ia32_setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
-                        compat_sigset_t *set, struct pt_regs * regs)
+                        compat_sigset_t *set, struct pt_regs *regs)
 {
         struct rt_sigframe __user *frame;
+        struct exec_domain *ed = current_thread_info()->exec_domain;
+        void __user *restorer = VSYSCALL32_RTSIGRETURN;
         int err = 0;
 
+        /* __copy_to_user optimizes that into a single 8 byte store */
+        static const struct {
+                u8 movl;
+                u32 val;
+                u16 int80;
+                u16 pad;
+                u8  pad2;
+        } __attribute__((packed)) code = {
+                0xb8,
+                __NR_ia32_rt_sigreturn,
+                0x80cd,
+                0,
+        };
+
         frame = get_sigframe(ka, regs, sizeof(*frame));
 
         if (!access_ok(VERIFY_WRITE, frame, sizeof(*frame)))
                 goto give_sigsegv;
 
-        {
-                struct exec_domain *ed = current_thread_info()->exec_domain;
-                err |= __put_user((ed
-                           && ed->signal_invmap
-                           && sig < 32
-                           ? ed->signal_invmap[sig]
-                           : sig),
-                          &frame->sig);
-        }
+        err |= __put_user((ed && ed->signal_invmap && sig < 32
+                           ? ed->signal_invmap[sig] : sig), &frame->sig);
         err |= __put_user(ptr_to_compat(&frame->info), &frame->pinfo);
         err |= __put_user(ptr_to_compat(&frame->uc), &frame->puc);
         err |= copy_siginfo_to_user32(&frame->info, info);
@@ -544,38 +557,20 @@ int ia32_setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
                           &frame->uc.uc_stack.ss_flags);
         err |= __put_user(current->sas_ss_size, &frame->uc.uc_stack.ss_size);
         err |= ia32_setup_sigcontext(&frame->uc.uc_mcontext, &frame->fpstate,
-                                regs, set->sig[0]);
+                                     regs, set->sig[0]);
         err |= __copy_to_user(&frame->uc.uc_sigmask, set, sizeof(*set));
         if (err)
                 goto give_sigsegv;
 
-        
-        { 
-                void __user *restorer = VSYSCALL32_RTSIGRETURN; 
-                if (ka->sa.sa_flags & SA_RESTORER)
-                        restorer = ka->sa.sa_restorer;       
-                err |= __put_user(ptr_to_compat(restorer), &frame->pretcode);
-        }
+        if (ka->sa.sa_flags & SA_RESTORER)
+                restorer = ka->sa.sa_restorer;
+        err |= __put_user(ptr_to_compat(restorer), &frame->pretcode);
 
-        /* This is movl $,%eax ; int $0x80 */
-        /* Not actually used anymore, but left because some gdb versions
-           need it. */ 
-        { 
-                /* __copy_to_user optimizes that into a single 8 byte store */
-                static const struct { 
-                        u8 movl; 
-                        u32 val; 
-                        u16 int80; 
-                        u16 pad;
-                        u8  pad2;                               
-                } __attribute__((packed)) code = { 
-                        0xb8,
-                        __NR_ia32_rt_sigreturn,
-                        0x80cd,
-                        0,
-                }; 
-                err |= __copy_to_user(frame->retcode, &code, 8); 
-        } 
+        /*
+         * Not actually used anymore, but left because some gdb
+         * versions need it.
+         */
+        err |= __copy_to_user(frame->retcode, &code, 8);
         if (err)
                 goto give_sigsegv;
 
@@ -593,11 +588,11 @@ int ia32_setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
         regs->rdx = (unsigned long) &frame->info;
         regs->rcx = (unsigned long) &frame->uc;
 
-        asm volatile("movl %0,%%ds" :: "r" (__USER32_DS)); 
-        asm volatile("movl %0,%%es" :: "r" (__USER32_DS)); 
-        
-        regs->cs = __USER32_CS; 
-        regs->ss = __USER32_DS; 
+        asm volatile("movl %0,%%ds" :: "r" (__USER32_DS));
+        asm volatile("movl %0,%%es" :: "r" (__USER32_DS));
+
+        regs->cs = __USER32_CS;
+        regs->ss = __USER32_DS;
 
         set_fs(USER_DS);
         regs->eflags &= ~TF_MASK;
@@ -605,8 +600,8 @@ int ia32_setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
                 ptrace_notify(SIGTRAP);
 
 #if DEBUG_SIG
-        printk("SIG deliver (%s:%d): sp=%p pc=%lx ra=%u\n",
-                current->comm, current->pid, frame, regs->rip, frame->pretcode);
+        printk(KERN_DEBUG "SIG deliver (%s:%d): sp=%p pc=%lx ra=%u\n",
+               current->comm, current->pid, frame, regs->rip, frame->pretcode);
 #endif
 
         return 0;