Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6:
  sparc64: Fix DAX handling via userspace access from kernel.
  sparc64: Annotate sparc64 specific syscalls with SYSCALL_DEFINEx()
  [CVE-2009-0029] sparc: Enable syscall wrappers for 64-bit
  sparc64: Initialize FHC/CLOCK LED platform_device 'id' field correctly.
  sparc64: fix modpost failure
  sparc64: fix readout of cpu/fpu type

9 files changed, 68 insertions, 42 deletions

diff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig
index de58c02633b4..c3ea215334f6 100644
--- a/arch/sparc/Kconfig
+++ b/arch/sparc/Kconfig
@@ -36,6 +36,7 @@ config SPARC64
         select HAVE_KRETPROBES
         select HAVE_KPROBES
         select HAVE_LMB
+        select HAVE_SYSCALL_WRAPPERS
         select USE_GENERIC_SMP_HELPERS if SMP
         select RTC_DRV_CMOS
         select RTC_DRV_BQ4802
diff --git a/arch/sparc/kernel/central.c b/arch/sparc/kernel/central.c
index 05f1c916db06..f3b5466c389c 100644
--- a/arch/sparc/kernel/central.c
+++ b/arch/sparc/kernel/central.c
@@ -103,6 +103,7 @@ static int __devinit clock_board_probe(struct of_device *op,
         p->leds_resource.name = "leds";
 
         p->leds_pdev.name = "sunfire-clockboard-leds";
+        p->leds_pdev.id = -1;
         p->leds_pdev.resource = &p->leds_resource;
         p->leds_pdev.num_resources = 1;
         p->leds_pdev.dev.parent = &op->dev;
@@ -197,6 +198,7 @@ static int __devinit fhc_probe(struct of_device *op,
                 p->leds_resource.name = "leds";
 
                 p->leds_pdev.name = "sunfire-fhc-leds";
+                p->leds_pdev.id = p->board_num;
                 p->leds_pdev.resource = &p->leds_resource;
                 p->leds_pdev.num_resources = 1;
                 p->leds_pdev.dev.parent = &op->dev;
diff --git a/arch/sparc/kernel/cpu.c b/arch/sparc/kernel/cpu.c
index f0b825505da5..32d32b4824f5 100644
--- a/arch/sparc/kernel/cpu.c
+++ b/arch/sparc/kernel/cpu.c
@@ -239,14 +239,26 @@ unsigned int fsr_storage;
 
 static void set_cpu_and_fpu(int psr_impl, int psr_vers, int fpu_vers)
 {
+        const struct manufacturer_info *manuf;
+        int i;
+
         sparc_cpu_type = NULL;
         sparc_fpu_type = NULL;
-        if (psr_impl < ARRAY_SIZE(manufacturer_info))
+        manuf = NULL;
+
+        for (i = 0; i < ARRAY_SIZE(manufacturer_info); i++)
+        {
+                if (psr_impl == manufacturer_info[i].psr_impl) {
+                        manuf = &manufacturer_info[i];
+                        break;
+                }
+        }
+        if (manuf != NULL)
         {
                 const struct cpu_info *cpu;
                 const struct fpu_info *fpu;
 
-                cpu = &manufacturer_info[psr_impl].cpu_info[0];
+                cpu = &manuf->cpu_info[0];
                 while (cpu->psr_vers != -1)
                 {
                         if (cpu->psr_vers == psr_vers) {
@@ -256,7 +268,7 @@ static void set_cpu_and_fpu(int psr_impl, int psr_vers, int fpu_vers)
                         }
                         cpu++;
                 }
-                fpu =  &manufacturer_info[psr_impl].fpu_info[0];
+                fpu =  &manuf->fpu_info[0];
                 while (fpu->fp_vers != -1)
                 {
                         if (fpu->fp_vers == fpu_vers) {
diff --git a/arch/sparc/kernel/sys_sparc_64.c b/arch/sparc/kernel/sys_sparc_64.c
index 09058fc39e73..e2d102447a43 100644
--- a/arch/sparc/kernel/sys_sparc_64.c
+++ b/arch/sparc/kernel/sys_sparc_64.c
@@ -399,7 +399,7 @@ void arch_pick_mmap_layout(struct mm_struct *mm)
         }
 }
 
-asmlinkage unsigned long sparc_brk(unsigned long brk)
+SYSCALL_DEFINE1(sparc_brk, unsigned long, brk)
 {
         /* People could try to be nasty and use ta 0x6d in 32bit programs */
         if (test_thread_flag(TIF_32BIT) && brk >= STACK_TOP32)
@@ -415,7 +415,7 @@ asmlinkage unsigned long sparc_brk(unsigned long brk)
  * sys_pipe() is the normal C calling standard for creating
  * a pipe. It's not the way unix traditionally does this, though.
  */
-asmlinkage long sparc_pipe(struct pt_regs *regs)
+SYSCALL_DEFINE1(sparc_pipe_real, struct pt_regs *, regs)
 {
         int fd[2];
         int error;
@@ -435,8 +435,8 @@ out:
  * This is really horribly ugly.
  */
 
-asmlinkage long sys_ipc(unsigned int call, int first, unsigned long second,
-                        unsigned long third, void __user *ptr, long fifth)
+SYSCALL_DEFINE6(ipc, unsigned int, call, int, first, unsigned long, second,
+                unsigned long, third, void __user *, ptr, long, fifth)
 {
         long err;
 
@@ -519,7 +519,7 @@ out:
         return err;
 }
 
-asmlinkage long sparc64_newuname(struct new_utsname __user *name)
+SYSCALL_DEFINE1(sparc64_newuname, struct new_utsname __user *, name)
 {
         int ret = sys_newuname(name);
         
@@ -530,7 +530,7 @@ asmlinkage long sparc64_newuname(struct new_utsname __user *name)
         return ret;
 }
 
-asmlinkage long sparc64_personality(unsigned long personality)
+SYSCALL_DEFINE1(sparc64_personality, unsigned long, personality)
 {
         int ret;
 
@@ -564,9 +564,9 @@ int sparc_mmap_check(unsigned long addr, unsigned long len)
 }
 
 /* Linux version of mmap */
-asmlinkage unsigned long sys_mmap(unsigned long addr, unsigned long len,
-        unsigned long prot, unsigned long flags, unsigned long fd,
-        unsigned long off)
+SYSCALL_DEFINE6(mmap, unsigned long, addr, unsigned long, len,
+                unsigned long, prot, unsigned long, flags, unsigned long, fd,
+                unsigned long, off)
 {
         struct file * file = NULL;
         unsigned long retval = -EBADF;
@@ -589,7 +589,7 @@ out:
         return retval;
 }
 
-asmlinkage long sys64_munmap(unsigned long addr, size_t len)
+SYSCALL_DEFINE2(64_munmap, unsigned long, addr, size_t, len)
 {
         long ret;
 
@@ -606,9 +606,9 @@ extern unsigned long do_mremap(unsigned long addr,
         unsigned long old_len, unsigned long new_len,
         unsigned long flags, unsigned long new_addr);
                 
-asmlinkage unsigned long sys64_mremap(unsigned long addr,
-        unsigned long old_len, unsigned long new_len,
-        unsigned long flags, unsigned long new_addr)
+SYSCALL_DEFINE5(64_mremap, unsigned long, addr, unsigned long, old_len,
+                unsigned long, new_len, unsigned long, flags,
+                unsigned long, new_addr)
 {
         unsigned long ret = -EINVAL;
 
@@ -671,7 +671,7 @@ asmlinkage void sparc_breakpoint(struct pt_regs *regs)
 
 extern void check_pending(int signum);
 
-asmlinkage long sys_getdomainname(char __user *name, int len)
+SYSCALL_DEFINE2(getdomainname, char __user *, name, int, len)
 {
         int nlen, err;
 
@@ -694,11 +694,10 @@ out:
         return err;
 }
 
-asmlinkage long sys_utrap_install(utrap_entry_t type,
-                                  utrap_handler_t new_p,
-                                  utrap_handler_t new_d,
-                                  utrap_handler_t __user *old_p,
-                                  utrap_handler_t __user *old_d)
+SYSCALL_DEFINE5(utrap_install, utrap_entry_t, type,
+                utrap_handler_t, new_p, utrap_handler_t, new_d,
+                utrap_handler_t __user *, old_p,
+                utrap_handler_t __user *, old_d)
 {
         if (type < UT_INSTRUCTION_EXCEPTION || type > UT_TRAP_INSTRUCTION_31)
                 return -EINVAL;
@@ -764,11 +763,9 @@ asmlinkage long sparc_memory_ordering(unsigned long model,
         return 0;
 }
 
-asmlinkage long sys_rt_sigaction(int sig,
-                                 const struct sigaction __user *act,
-                                 struct sigaction __user *oact,
-                                 void __user *restorer,
-                                 size_t sigsetsize)
+SYSCALL_DEFINE5(rt_sigaction, int, sig, const struct sigaction __user *, act,
+                struct sigaction __user *, oact, void __user *, restorer,
+                size_t, sigsetsize)
 {
         struct k_sigaction new_ka, old_ka;
         int ret;
@@ -808,7 +805,8 @@ asmlinkage void update_perfctrs(void)
         reset_pic();
 }
 
-asmlinkage long sys_perfctr(int opcode, unsigned long arg0, unsigned long arg1, unsigned long arg2)
+SYSCALL_DEFINE4(perfctr, int, opcode, unsigned long, arg0,
+                unsigned long, arg1, unsigned long, arg2)
 {
         int err = 0;
 
diff --git a/arch/sparc/kernel/syscalls.S b/arch/sparc/kernel/syscalls.S
index 87f5a3b8a253..d150c2aa98d2 100644
--- a/arch/sparc/kernel/syscalls.S
+++ b/arch/sparc/kernel/syscalls.S
@@ -21,7 +21,7 @@ execve_merge:
 
         .align  32
 sys_sparc_pipe:
-        ba,pt   %xcc, sparc_pipe
+        ba,pt   %xcc, sys_sparc_pipe_real
          add    %sp, PTREGS_OFF, %o0
 sys_nis_syscall:
         ba,pt   %xcc, c_sys_nis_syscall
diff --git a/arch/sparc/kernel/systbls.h b/arch/sparc/kernel/systbls.h
index bc9f5dac4069..15c2d752b2bc 100644
--- a/arch/sparc/kernel/systbls.h
+++ b/arch/sparc/kernel/systbls.h
@@ -16,9 +16,6 @@ extern asmlinkage long sys_ipc(unsigned int call, int first,
                                void __user *ptr, long fifth);
 extern asmlinkage long sparc64_newuname(struct new_utsname __user *name);
 extern asmlinkage long sparc64_personality(unsigned long personality);
-extern asmlinkage unsigned long sys_mmap(unsigned long addr, unsigned long len,
-                                         unsigned long prot, unsigned long flags,
-                                         unsigned long fd, unsigned long off);
 extern asmlinkage long sys64_munmap(unsigned long addr, size_t len);
 extern asmlinkage unsigned long sys64_mremap(unsigned long addr,
                                              unsigned long old_len,
diff --git a/arch/sparc/kernel/systbls_64.S b/arch/sparc/kernel/systbls_64.S
index e6007bb37046..f93c42a2b522 100644
--- a/arch/sparc/kernel/systbls_64.S
+++ b/arch/sparc/kernel/systbls_64.S
@@ -21,7 +21,7 @@ sys_call_table32:
 /*0*/   .word sys_restart_syscall, sys32_exit, sys_fork, sys_read, sys_write
 /*5*/   .word sys32_open, sys_close, sys32_wait4, sys32_creat, sys_link
 /*10*/  .word sys_unlink, sunos_execv, sys_chdir, sys_chown16, sys32_mknod
-/*15*/  .word sys_chmod, sys_lchown16, sparc_brk, sys32_perfctr, sys32_lseek
+/*15*/  .word sys_chmod, sys_lchown16, sys_sparc_brk, sys32_perfctr, sys32_lseek
 /*20*/  .word sys_getpid, sys_capget, sys_capset, sys_setuid16, sys_getuid16
 /*25*/  .word sys32_vmsplice, compat_sys_ptrace, sys_alarm, sys32_sigaltstack, sys_pause
 /*30*/  .word compat_sys_utime, sys_lchown, sys_fchown, sys32_access, sys32_nice
@@ -55,8 +55,8 @@ sys_call_table32:
 /*170*/ .word sys32_lsetxattr, sys32_fsetxattr, sys_getxattr, sys_lgetxattr, compat_sys_getdents
         .word sys_setsid, sys_fchdir, sys32_fgetxattr, sys_listxattr, sys_llistxattr
 /*180*/ .word sys32_flistxattr, sys_removexattr, sys_lremovexattr, compat_sys_sigpending, sys_ni_syscall
-        .word sys32_setpgid, sys32_fremovexattr, sys32_tkill, sys32_exit_group, sparc64_newuname
-/*190*/ .word sys32_init_module, sparc64_personality, sys_remap_file_pages, sys32_epoll_create, sys32_epoll_ctl
+        .word sys32_setpgid, sys32_fremovexattr, sys32_tkill, sys32_exit_group, sys_sparc64_newuname
+/*190*/ .word sys32_init_module, sys_sparc64_personality, sys_remap_file_pages, sys32_epoll_create, sys32_epoll_ctl
         .word sys32_epoll_wait, sys32_ioprio_set, sys_getppid, sys32_sigaction, sys_sgetmask
 /*200*/ .word sys32_ssetmask, sys_sigsuspend, compat_sys_newlstat, sys_uselib, compat_sys_old_readdir
         .word sys32_readahead, sys32_socketcall, sys32_syslog, sys32_lookup_dcookie, sys32_fadvise64
@@ -95,7 +95,7 @@ sys_call_table:
 /*0*/   .word sys_restart_syscall, sparc_exit, sys_fork, sys_read, sys_write
 /*5*/   .word sys_open, sys_close, sys_wait4, sys_creat, sys_link
 /*10*/  .word sys_unlink, sys_nis_syscall, sys_chdir, sys_chown, sys_mknod
-/*15*/  .word sys_chmod, sys_lchown, sparc_brk, sys_perfctr, sys_lseek
+/*15*/  .word sys_chmod, sys_lchown, sys_sparc_brk, sys_perfctr, sys_lseek
 /*20*/  .word sys_getpid, sys_capget, sys_capset, sys_setuid, sys_getuid
 /*25*/  .word sys_vmsplice, sys_ptrace, sys_alarm, sys_sigaltstack, sys_nis_syscall
 /*30*/  .word sys_utime, sys_nis_syscall, sys_nis_syscall, sys_access, sys_nice
@@ -106,7 +106,7 @@ sys_call_table:
         .word sys_reboot, sys_nis_syscall, sys_symlink, sys_readlink, sys_execve
 /*60*/  .word sys_umask, sys_chroot, sys_newfstat, sys_fstat64, sys_getpagesize
         .word sys_msync, sys_vfork, sys_pread64, sys_pwrite64, sys_nis_syscall
-/*70*/  .word sys_nis_syscall, sys_mmap, sys_nis_syscall, sys64_munmap, sys_mprotect
+/*70*/  .word sys_nis_syscall, sys_mmap, sys_nis_syscall, sys_64_munmap, sys_mprotect
         .word sys_madvise, sys_vhangup, sys_nis_syscall, sys_mincore, sys_getgroups
 /*80*/  .word sys_setgroups, sys_getpgrp, sys_nis_syscall, sys_setitimer, sys_nis_syscall
         .word sys_swapon, sys_getitimer, sys_nis_syscall, sys_sethostname, sys_nis_syscall
@@ -129,8 +129,8 @@ sys_call_table:
 /*170*/ .word sys_lsetxattr, sys_fsetxattr, sys_getxattr, sys_lgetxattr, sys_getdents
         .word sys_setsid, sys_fchdir, sys_fgetxattr, sys_listxattr, sys_llistxattr
 /*180*/ .word sys_flistxattr, sys_removexattr, sys_lremovexattr, sys_nis_syscall, sys_ni_syscall
-        .word sys_setpgid, sys_fremovexattr, sys_tkill, sys_exit_group, sparc64_newuname
-/*190*/ .word sys_init_module, sparc64_personality, sys_remap_file_pages, sys_epoll_create, sys_epoll_ctl
+        .word sys_setpgid, sys_fremovexattr, sys_tkill, sys_exit_group, sys_sparc64_newuname
+/*190*/ .word sys_init_module, sys_sparc64_personality, sys_remap_file_pages, sys_epoll_create, sys_epoll_ctl
         .word sys_epoll_wait, sys_ioprio_set, sys_getppid, sys_nis_syscall, sys_sgetmask
 /*200*/ .word sys_ssetmask, sys_nis_syscall, sys_newlstat, sys_uselib, sys_nis_syscall
         .word sys_readahead, sys_socketcall, sys_syslog, sys_lookup_dcookie, sys_fadvise64
@@ -142,7 +142,7 @@ sys_call_table:
         .word sys_fstatfs64, sys_llseek, sys_mlock, sys_munlock, sys_mlockall
 /*240*/ .word sys_munlockall, sys_sched_setparam, sys_sched_getparam, sys_sched_setscheduler, sys_sched_getscheduler
         .word sys_sched_yield, sys_sched_get_priority_max, sys_sched_get_priority_min, sys_sched_rr_get_interval, sys_nanosleep
-/*250*/ .word sys64_mremap, sys_sysctl, sys_getsid, sys_fdatasync, sys_nfsservctl
+/*250*/ .word sys_64_mremap, sys_sysctl, sys_getsid, sys_fdatasync, sys_nfsservctl
         .word sys_sync_file_range, sys_clock_settime, sys_clock_gettime, sys_clock_getres, sys_clock_nanosleep
 /*260*/ .word sys_sched_getaffinity, sys_sched_setaffinity, sys_timer_settime, sys_timer_gettime, sys_timer_getoverrun
         .word sys_timer_delete, sys_timer_create, sys_ni_syscall, sys_io_setup, sys_io_destroy
diff --git a/arch/sparc/kernel/traps_64.c b/arch/sparc/kernel/traps_64.c
index c2d153d46586..d809c4ebb48f 100644
--- a/arch/sparc/kernel/traps_64.c
+++ b/arch/sparc/kernel/traps_64.c
@@ -1,6 +1,6 @@
 /* arch/sparc64/kernel/traps.c
  *
- * Copyright (C) 1995,1997,2008 David S. Miller (davem@davemloft.net)
+ * Copyright (C) 1995,1997,2008,2009 David S. Miller (davem@davemloft.net)
  * Copyright (C) 1997,1999,2000 Jakub Jelinek (jakub@redhat.com)
  */
 
@@ -314,6 +314,21 @@ void sun4v_data_access_exception(struct pt_regs *regs, unsigned long addr, unsig
                 return;
 
         if (regs->tstate & TSTATE_PRIV) {
+                /* Test if this comes from uaccess places. */
+                const struct exception_table_entry *entry;
+
+                entry = search_exception_tables(regs->tpc);
+                if (entry) {
+                        /* Ouch, somebody is trying VM hole tricks on us... */
+#ifdef DEBUG_EXCEPTIONS
+                        printk("Exception: PC<%016lx> faddr<UNKNOWN>\n", regs->tpc);
+                        printk("EX_TABLE: insn<%016lx> fixup<%016lx>\n",
+                               regs->tpc, entry->fixup);
+#endif
+                        regs->tpc = entry->fixup;
+                        regs->tnpc = regs->tpc + 4;
+                        return;
+                }
                 printk("sun4v_data_access_exception: ADDR[%016lx] "
                        "CTX[%04x] TYPE[%04x], going.\n",
                        addr, ctx, type);
diff --git a/arch/sparc/lib/Makefile b/arch/sparc/lib/Makefile
index 273fc85269fc..e75faf0e59ae 100644
--- a/arch/sparc/lib/Makefile
+++ b/arch/sparc/lib/Makefile
@@ -18,7 +18,7 @@ lib-$(CONFIG_SPARC32) += lshrdi3.o ashldi3.o
 lib-y                 += rwsem_$(BITS).o
 lib-$(CONFIG_SPARC32) += muldi3.o bitext.o cmpdi2.o
 
-lib-$(CONFIG_SPARC64) += PeeCeeI.o copy_page.o clear_page.o bzero.o
+lib-$(CONFIG_SPARC64) += copy_page.o clear_page.o bzero.o
 lib-$(CONFIG_SPARC64) += csum_copy.o csum_copy_from_user.o csum_copy_to_user.o
 lib-$(CONFIG_SPARC64) += VISsave.o
 lib-$(CONFIG_SPARC64) += bitops.o
@@ -43,3 +43,4 @@ lib-$(CONFIG_SPARC64) += mcount.o ipcsum.o xor.o
 obj-y                 += iomap.o
 obj-$(CONFIG_SPARC32) += atomic32.o
 obj-y                 += ksyms.o
+obj-$(CONFIG_SPARC64) += PeeCeeI.o