18 files changed, 59 insertions, 25 deletions

diff --git a/arch/sparc64/Kconfig b/arch/sparc64/Kconfig
index ab733be9af08..4c0a50a76554 100644
--- a/arch/sparc64/Kconfig
+++ b/arch/sparc64/Kconfig
@@ -383,6 +383,7 @@ source "arch/sparc64/oprofile/Kconfig"
 
 config KPROBES
         bool "Kprobes (EXPERIMENTAL)"
+        depends on EXPERIMENTAL && MODULES
         help
           Kprobes allows you to trap at almost any kernel address and
           execute a callback function.  register_kprobe() establishes
diff --git a/arch/sparc64/kernel/setup.c b/arch/sparc64/kernel/setup.c
index 054461e6946d..158bd31e15b7 100644
--- a/arch/sparc64/kernel/setup.c
+++ b/arch/sparc64/kernel/setup.c
@@ -542,6 +542,8 @@ void __init setup_arch(char **cmdline_p)
         }
 #endif
 
+        smp_setup_cpu_possible_map();
+
         paging_init();
 }
 
diff --git a/arch/sparc64/kernel/smp.c b/arch/sparc64/kernel/smp.c
index 1fb6323e65a4..1f7ad8a69052 100644
--- a/arch/sparc64/kernel/smp.c
+++ b/arch/sparc64/kernel/smp.c
@@ -1079,18 +1079,12 @@ int setup_profiling_timer(unsigned int multiplier)
         return 0;
 }
 
+/* Constrain the number of cpus to max_cpus.  */
 void __init smp_prepare_cpus(unsigned int max_cpus)
 {
-        int instance, mid;
-
-        instance = 0;
-        while (!cpu_find_by_instance(instance, NULL, &mid)) {
-                if (mid < max_cpus)
-                        cpu_set(mid, phys_cpu_present_map);
-                instance++;
-        }
-
         if (num_possible_cpus() > max_cpus) {
+                int instance, mid;
+
                 instance = 0;
                 while (!cpu_find_by_instance(instance, NULL, &mid)) {
                         if (mid != boot_cpu_id) {
@@ -1105,6 +1099,22 @@ void __init smp_prepare_cpus(unsigned int max_cpus)
         smp_store_cpu_info(boot_cpu_id);
 }
 
+/* Set this up early so that things like the scheduler can init
+ * properly.  We use the same cpu mask for both the present and
+ * possible cpu map.
+ */
+void __init smp_setup_cpu_possible_map(void)
+{
+        int instance, mid;
+
+        instance = 0;
+        while (!cpu_find_by_instance(instance, NULL, &mid)) {
+                if (mid < NR_CPUS)
+                        cpu_set(mid, phys_cpu_present_map);
+                instance++;
+        }
+}
+
 void __devinit smp_prepare_boot_cpu(void)
 {
         if (hard_smp_processor_id() >= NR_CPUS) {
diff --git a/arch/sparc64/kernel/sys32.S b/arch/sparc64/kernel/sys32.S
index 60b59375aa78..c4a1cef4b1e5 100644
--- a/arch/sparc64/kernel/sys32.S
+++ b/arch/sparc64/kernel/sys32.S
@@ -318,7 +318,7 @@ do_sys_recvmsg: /* compat_sys_recvmsg(int, struct compat_msghdr *, unsigned int)
         nop
         nop
 
-        .section        __ex_table
+        .section        __ex_table,"a"
         .align          4
         .word           1b, __retl_efault, 2b, __retl_efault
         .word           3b, __retl_efault, 4b, __retl_efault
diff --git a/arch/sparc64/kernel/sys_sparc32.c b/arch/sparc64/kernel/sys_sparc32.c
index 9264ccbaaafa..417727bd87ba 100644
--- a/arch/sparc64/kernel/sys_sparc32.c
+++ b/arch/sparc64/kernel/sys_sparc32.c
@@ -428,6 +428,27 @@ asmlinkage long compat_sys_fstat64(unsigned int fd,
         return error;
 }
 
+asmlinkage long compat_sys_fstatat64(unsigned int dfd, char __user *filename,
+                struct compat_stat64 __user * statbuf, int flag)
+{
+        struct kstat stat;
+        int error = -EINVAL;
+
+        if ((flag & ~AT_SYMLINK_NOFOLLOW) != 0)
+                goto out;
+
+        if (flag & AT_SYMLINK_NOFOLLOW)
+                error = vfs_lstat_fd(dfd, filename, &stat);
+        else
+                error = vfs_stat_fd(dfd, filename, &stat);
+
+        if (!error)
+                error = cp_compat_stat64(&stat, statbuf);
+
+out:
+        return error;
+}
+
 asmlinkage long compat_sys_sysfs(int option, u32 arg1, u32 arg2)
 {
         return sys_sysfs(option, arg1, arg2);
diff --git a/arch/sparc64/kernel/systbls.S b/arch/sparc64/kernel/systbls.S
index a19168510be2..c3adb7ac167d 100644
--- a/arch/sparc64/kernel/systbls.S
+++ b/arch/sparc64/kernel/systbls.S
@@ -77,7 +77,7 @@ sys_call_table32:
 /*270*/ .word sys32_io_submit, sys_io_cancel, compat_sys_io_getevents, sys32_mq_open, sys_mq_unlink
         .word compat_sys_mq_timedsend, compat_sys_mq_timedreceive, compat_sys_mq_notify, compat_sys_mq_getsetattr, compat_sys_waitid
 /*280*/ .word sys_ni_syscall, sys_add_key, sys_request_key, sys_keyctl, compat_sys_openat
-        .word sys_mkdirat, sys_mknodat, sys_fchownat, compat_sys_futimesat, compat_sys_newfstatat
+        .word sys_mkdirat, sys_mknodat, sys_fchownat, compat_sys_futimesat, compat_sys_fstatat64
 /*285*/ .word sys_unlinkat, sys_renameat, sys_linkat, sys_symlinkat, sys_readlinkat
         .word sys_fchmodat, sys_faccessat, compat_sys_pselect6, compat_sys_ppoll, sys_unshare
 
@@ -146,7 +146,7 @@ sys_call_table:
 /*270*/ .word sys_io_submit, sys_io_cancel, sys_io_getevents, sys_mq_open, sys_mq_unlink
         .word sys_mq_timedsend, sys_mq_timedreceive, sys_mq_notify, sys_mq_getsetattr, sys_waitid
 /*280*/ .word sys_nis_syscall, sys_add_key, sys_request_key, sys_keyctl, sys_openat
-        .word sys_mkdirat, sys_mknodat, sys_fchownat, sys_futimesat, sys_newfstatat
+        .word sys_mkdirat, sys_mknodat, sys_fchownat, sys_futimesat, sys_fstatat64
 /*285*/ .word sys_unlinkat, sys_renameat, sys_linkat, sys_symlinkat, sys_readlinkat
         .word sys_fchmodat, sys_faccessat, sys_pselect6, sys_ppoll, sys_unshare
 
diff --git a/arch/sparc64/kernel/una_asm.S b/arch/sparc64/kernel/una_asm.S
index 1f5b5b708ce7..be183fe41443 100644
--- a/arch/sparc64/kernel/una_asm.S
+++ b/arch/sparc64/kernel/una_asm.S
@@ -47,7 +47,7 @@ __do_int_store:
          mov    0, %o0
         .size   __do_int_store, .-__do_int_store
 
-        .section        __ex_table
+        .section        __ex_table,"a"
         .word           4b, __retl_efault
         .word           5b, __retl_efault
         .word           6b, __retl_efault
@@ -129,7 +129,7 @@ do_int_load:
          mov    0, %o0
         .size   __do_int_load, .-__do_int_load
 
-        .section        __ex_table
+        .section        __ex_table,"a"
         .word           4b, __retl_efault
         .word           5b, __retl_efault
         .word           6b, __retl_efault
diff --git a/arch/sparc64/lib/U1copy_from_user.S b/arch/sparc64/lib/U1copy_from_user.S
index 93146a81e2d3..3192b0bf4fab 100644
--- a/arch/sparc64/lib/U1copy_from_user.S
+++ b/arch/sparc64/lib/U1copy_from_user.S
@@ -9,7 +9,7 @@
         .align 4;               \
 99:     retl;                   \
          mov    1, %o0;         \
-        .section __ex_table;    \
+        .section __ex_table,"a";\
         .align 4;               \
         .word 98b, 99b;         \
         .text;                  \
diff --git a/arch/sparc64/lib/U1copy_to_user.S b/arch/sparc64/lib/U1copy_to_user.S
index 1fccc521e2bd..d1210ffb0b82 100644
--- a/arch/sparc64/lib/U1copy_to_user.S
+++ b/arch/sparc64/lib/U1copy_to_user.S
@@ -9,7 +9,7 @@
         .align 4;               \
 99:     retl;                   \
          mov    1, %o0;         \
-        .section __ex_table;    \
+        .section __ex_table,"a";\
         .align 4;               \
         .word 98b, 99b;         \
         .text;                  \
diff --git a/arch/sparc64/lib/U3copy_from_user.S b/arch/sparc64/lib/U3copy_from_user.S
index df600b667e48..f5bfc8d9d216 100644
--- a/arch/sparc64/lib/U3copy_from_user.S
+++ b/arch/sparc64/lib/U3copy_from_user.S
@@ -9,7 +9,7 @@
         .align 4;               \
 99:     retl;                   \
          mov    1, %o0;         \
-        .section __ex_table;    \
+        .section __ex_table,"a";\
         .align 4;               \
         .word 98b, 99b;         \
         .text;                  \
diff --git a/arch/sparc64/lib/U3copy_to_user.S b/arch/sparc64/lib/U3copy_to_user.S
index f337f22ed82e..2334f111bb0c 100644
--- a/arch/sparc64/lib/U3copy_to_user.S
+++ b/arch/sparc64/lib/U3copy_to_user.S
@@ -9,7 +9,7 @@
         .align 4;               \
 99:     retl;                   \
          mov    1, %o0;         \
-        .section __ex_table;    \
+        .section __ex_table,"a";\
         .align 4;               \
         .word 98b, 99b;         \
         .text;                  \
diff --git a/arch/sparc64/lib/bzero.S b/arch/sparc64/lib/bzero.S
index 21a933ffb7c2..1d2abcfa4e52 100644
--- a/arch/sparc64/lib/bzero.S
+++ b/arch/sparc64/lib/bzero.S
@@ -92,7 +92,7 @@ __bzero_done:
         .align 4;               \
 99:     retl;                   \
          mov    %o1, %o0;       \
-        .section __ex_table;    \
+        .section __ex_table,"a";\
         .align 4;               \
         .word 98b, 99b;         \
         .text;                  \
diff --git a/arch/sparc64/lib/copy_in_user.S b/arch/sparc64/lib/copy_in_user.S
index 816076c0bc06..650af3f21f78 100644
--- a/arch/sparc64/lib/copy_in_user.S
+++ b/arch/sparc64/lib/copy_in_user.S
@@ -13,7 +13,7 @@
         .align 4;               \
 99:     retl;                   \
          mov 1, %o0;            \
-        .section __ex_table;    \
+        .section __ex_table,"a";\
         .align 4;               \
         .word 98b, 99b;         \
         .text;                  \
diff --git a/arch/sparc64/lib/csum_copy_from_user.S b/arch/sparc64/lib/csum_copy_from_user.S
index 817ebdae39f8..a22eddbe5dba 100644
--- a/arch/sparc64/lib/csum_copy_from_user.S
+++ b/arch/sparc64/lib/csum_copy_from_user.S
@@ -9,7 +9,7 @@
         .align 4;               \
 99:     retl;                   \
          mov    -1, %o0;        \
-        .section __ex_table;    \
+        .section __ex_table,"a";\
         .align 4;               \
         .word 98b, 99b;         \
         .text;                  \
diff --git a/arch/sparc64/lib/csum_copy_to_user.S b/arch/sparc64/lib/csum_copy_to_user.S
index c2f9463ea1e2..d5b12f441f02 100644
--- a/arch/sparc64/lib/csum_copy_to_user.S
+++ b/arch/sparc64/lib/csum_copy_to_user.S
@@ -9,7 +9,7 @@
         .align 4;               \
 99:     retl;                   \
          mov    -1, %o0;        \
-        .section __ex_table;    \
+        .section __ex_table,"a";\
         .align 4;               \
         .word 98b, 99b;         \
         .text;                  \
diff --git a/arch/sparc64/lib/strlen_user.S b/arch/sparc64/lib/strlen_user.S
index 9ed54ba14fc6..114ed111e251 100644
--- a/arch/sparc64/lib/strlen_user.S
+++ b/arch/sparc64/lib/strlen_user.S
@@ -85,7 +85,7 @@ __strnlen_user:
         retl
          clr    %o0
 
-        .section __ex_table,#alloc
+        .section __ex_table,"a"
         .align  4
 
         .word   10b, 30b
diff --git a/arch/sparc64/lib/strncpy_from_user.S b/arch/sparc64/lib/strncpy_from_user.S
index e1264650ca7a..b2f499f79427 100644
--- a/arch/sparc64/lib/strncpy_from_user.S
+++ b/arch/sparc64/lib/strncpy_from_user.S
@@ -125,7 +125,7 @@ __strncpy_from_user:
          add    %o2, %o3, %o0
         .size   __strncpy_from_user, .-__strncpy_from_user
 
-        .section __ex_table,#alloc
+        .section __ex_table,"a"
         .align  4
         .word   60b, __retl_efault
         .word   61b, __retl_efault
diff --git a/arch/sparc64/solaris/entry64.S b/arch/sparc64/solaris/entry64.S
index eb314ed23cdb..f170324e8bf2 100644
--- a/arch/sparc64/solaris/entry64.S
+++ b/arch/sparc64/solaris/entry64.S
@@ -217,7 +217,7 @@ solaris_unimplemented:
         ba,pt           %xcc, ret_from_solaris
          nop
 
-        .section        __ex_table,#alloc
+        .section        __ex_table,"a"
         .align          4
         .word           exen, exenf