Merge ../powerpc-merge

4 files changed, 13 insertions, 18 deletions

diff --git a/arch/powerpc/kernel/Makefile b/arch/powerpc/kernel/Makefile
index c287980b7e65..80e9fe2632b8 100644
--- a/arch/powerpc/kernel/Makefile
+++ b/arch/powerpc/kernel/Makefile
@@ -12,10 +12,10 @@ endif
 
 obj-y                           := semaphore.o cputable.o ptrace.o syscalls.o \
                                    irq.o align.o signal_32.o pmc.o vdso.o \
-                                   init_task.o process.o
+                                   init_task.o process.o systbl.o
 obj-y                           += vdso32/
 obj-$(CONFIG_PPC64)             += setup_64.o binfmt_elf32.o sys_ppc32.o \
-                                   signal_64.o ptrace32.o systbl.o \
+                                   signal_64.o ptrace32.o \
                                    paca.o cpu_setup_power4.o \
                                    firmware.o sysfs.o idle_64.o
 obj-$(CONFIG_PPC64)             += vdso64/
@@ -46,7 +46,7 @@ extra-$(CONFIG_8xx)		:= head_8xx.o
 extra-y                         += vmlinux.lds
 
 obj-y                           += time.o prom.o traps.o setup-common.o udbg.o
-obj-$(CONFIG_PPC32)             += entry_32.o setup_32.o misc_32.o systbl.o
+obj-$(CONFIG_PPC32)             += entry_32.o setup_32.o misc_32.o
 obj-$(CONFIG_PPC64)             += misc_64.o dma_64.o iommu.o
 obj-$(CONFIG_PPC_MULTIPLATFORM) += prom_init.o
 obj-$(CONFIG_MODULES)           += ppc_ksyms.o
diff --git a/arch/powerpc/kernel/signal_32.c b/arch/powerpc/kernel/signal_32.c
index c6d0595da6b5..bd837b5dbf06 100644
--- a/arch/powerpc/kernel/signal_32.c
+++ b/arch/powerpc/kernel/signal_32.c
@@ -142,11 +142,7 @@ static inline int get_old_sigaction(struct k_sigaction *new_ka,
         return 0;
 }
 
-static inline compat_uptr_t to_user_ptr(void *kp)
-{
-        return (compat_uptr_t)(u64)kp;
-}
-
+#define to_user_ptr(p)          ptr_to_compat(p)
 #define from_user_ptr(p)        compat_ptr(p)
 
 static inline int save_general_regs(struct pt_regs *regs,
@@ -213,8 +209,8 @@ static inline int get_old_sigaction(struct k_sigaction *new_ka,
         return 0;
 }
 
-#define to_user_ptr(p)          (p)
-#define from_user_ptr(p)        (p)
+#define to_user_ptr(p)          ((unsigned long)(p))
+#define from_user_ptr(p)        ((void __user *)(p))
 
 static inline int save_general_regs(struct pt_regs *regs,
                 struct mcontext __user *frame)
@@ -526,7 +522,7 @@ long compat_sys_rt_sigaction(int sig, const struct sigaction32 __user *act,
 
         ret = do_sigaction(sig, act ? &new_ka : NULL, oact ? &old_ka : NULL);
         if (!ret && oact) {
-                ret = put_user((long)old_ka.sa.sa_handler, &oact->sa_handler);
+                ret = put_user(to_user_ptr(old_ka.sa.sa_handler), &oact->sa_handler);
                 ret |= put_sigset_t(&oact->sa_mask, &old_ka.sa.sa_mask);
                 ret |= __put_user(old_ka.sa.sa_flags, &oact->sa_flags);
         }
@@ -675,8 +671,8 @@ long compat_sys_rt_sigqueueinfo(u32 pid, u32 sig, compat_siginfo_t __user *uinfo
 int compat_sys_sigaltstack(u32 __new, u32 __old, int r5,
                       int r6, int r7, int r8, struct pt_regs *regs)
 {
-        stack_32_t __user * newstack = (stack_32_t __user *)(long) __new;
-        stack_32_t __user * oldstack = (stack_32_t __user *)(long) __old;
+        stack_32_t __user * newstack = compat_ptr(__new);
+        stack_32_t __user * oldstack = compat_ptr(__old);
         stack_t uss, uoss;
         int ret;
         mm_segment_t old_fs;
@@ -708,7 +704,7 @@ int compat_sys_sigaltstack(u32 __new, u32 __old, int r5,
         set_fs(old_fs);
         /* Copy the stack information to the user output buffer */
         if (!ret && oldstack  &&
-                (put_user((long)uoss.ss_sp, &oldstack->ss_sp) ||
+                (put_user(ptr_to_compat(uoss.ss_sp), &oldstack->ss_sp) ||
                  __put_user(uoss.ss_flags, &oldstack->ss_flags) ||
                  __put_user(uoss.ss_size, &oldstack->ss_size)))
                 return -EFAULT;
diff --git a/arch/powerpc/kernel/signal_64.c b/arch/powerpc/kernel/signal_64.c
index b3193116e686..497a5d3df359 100644
--- a/arch/powerpc/kernel/signal_64.c
+++ b/arch/powerpc/kernel/signal_64.c
@@ -60,8 +60,8 @@ struct rt_sigframe {
         struct ucontext uc;
         unsigned long _unused[2];
         unsigned int tramp[TRAMP_SIZE];
-        struct siginfo *pinfo;
-        void *puc;
+        struct siginfo __user *pinfo;
+        void __user *puc;
         struct siginfo info;
         /* 64 bit ABI allows for 288 bytes below sp before decrementing it. */
         char abigap[288];
diff --git a/arch/powerpc/kernel/systbl.S b/arch/powerpc/kernel/systbl.S
index 007b15ee36d2..8a9f994ed917 100644
--- a/arch/powerpc/kernel/systbl.S
+++ b/arch/powerpc/kernel/systbl.S
@@ -36,8 +36,6 @@
 #ifdef CONFIG_PPC64
 #define sys_sigpending  sys_ni_syscall
 #define sys_old_getrlimit sys_ni_syscall
-#else
-#define ppc_rtas        sys_ni_syscall
 #endif
 
 _GLOBAL(sys_call_table)
@@ -323,3 +321,4 @@ SYSCALL(spu_run)
 SYSCALL(spu_create)
 COMPAT_SYS(pselect6)
 COMPAT_SYS(ppoll)
+SYSCALL(unshare)