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

diff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig
index de58c02633b4d164ce65d08ed8f905eec88e0b5e..c3ea215334f60cd372b158efded8bb87502d1cfb 100644 (file)
--- 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 05f1c916db066057653199aca45156b33398b341..f3b5466c389cc5fe1a4e44decf12b3e1a65bae9c 100644 (file)
--- 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 f0b825505da53279ba109dff50cc9c2827f1f84d..32d32b4824f5c6aee4d4eecb15f1a864939fbc83 100644 (file)
--- 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 09058fc39e731ea4498b607c416edb27d0314538..e2d102447a43e5c57f8cb64a136763795ddf192b 100644 (file)
--- 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 87f5a3b8a253b482b4990c018a3dfb4f58775d9c..d150c2aa98d2a7569e0b3aa97ae4841ddf2d691f 100644 (file)
--- 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 bc9f5dac4069f43ae79e9a0ef0942eeda065fde4..15c2d752b2bcaec194903d3eac70a34f1c3b2458 100644 (file)
--- 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 e6007bb370465a98b58b439753fbe4985e7e80c7..f93c42a2b52215696be05ea022d74db09763bb21 100644 (file)
--- 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 c2d153d46586f34f3087d26774f373ff7b1dcad1..d809c4ebb48f44120f682272e00664bfbfd7cea6 100644 (file)
--- 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 273fc85269fca9b7c10313410d5485a042c274ec..e75faf0e59aeadec986fb4ad1e22d77e72f040e7 100644 (file)
--- 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