3 files changed, 46 insertions, 7 deletions

diff --git a/include/asm-sparc64/spinlock.h b/include/asm-sparc64/spinlock.h
index ec85d12d73b9..508c416e9d6a 100644
--- a/include/asm-sparc64/spinlock.h
+++ b/include/asm-sparc64/spinlock.h
@@ -131,6 +131,28 @@ static void inline __read_lock(raw_rwlock_t *lock)
         : "memory");
 }
 
+static int inline __read_trylock(raw_rwlock_t *lock)
+{
+        int tmp1, tmp2;
+
+        __asm__ __volatile__ (
+"1:     ldsw            [%2], %0\n"
+"       brlz,a,pn       %0, 2f\n"
+"        mov            0, %0\n"
+"       add             %0, 1, %1\n"
+"       cas             [%2], %0, %1\n"
+"       cmp             %0, %1\n"
+"       membar          #StoreLoad | #StoreStore\n"
+"       bne,pn          %%icc, 1b\n"
+"        mov            1, %0\n"
+"2:"
+        : "=&r" (tmp1), "=&r" (tmp2)
+        : "r" (lock)
+        : "memory");
+
+        return tmp1;
+}
+
 static void inline __read_unlock(raw_rwlock_t *lock)
 {
         unsigned long tmp1, tmp2;
@@ -211,12 +233,12 @@ static int inline __write_trylock(raw_rwlock_t *lock)
 }
 
 #define __raw_read_lock(p)      __read_lock(p)
+#define __raw_read_trylock(p)   __read_trylock(p)
 #define __raw_read_unlock(p)    __read_unlock(p)
 #define __raw_write_lock(p)     __write_lock(p)
 #define __raw_write_unlock(p)   __write_unlock(p)
 #define __raw_write_trylock(p)  __write_trylock(p)
 
-#define __raw_read_trylock(lock)        generic__raw_read_trylock(lock)
 #define __raw_read_can_lock(rw)         (!((rw)->lock & 0x80000000UL))
 #define __raw_write_can_lock(rw)        (!(rw)->lock)
 
diff --git a/include/asm-sparc64/thread_info.h b/include/asm-sparc64/thread_info.h
index c94d8b3991bd..ac9d068aab4f 100644
--- a/include/asm-sparc64/thread_info.h
+++ b/include/asm-sparc64/thread_info.h
@@ -221,7 +221,7 @@ register struct thread_info *current_thread_info_reg asm("g6");
  *       nop
  */
 #define TIF_SYSCALL_TRACE       0       /* syscall trace active */
-#define TIF_NOTIFY_RESUME       1       /* resumption notification requested */
+#define TIF_RESTORE_SIGMASK     1       /* restore signal mask in do_signal() */
 #define TIF_SIGPENDING          2       /* signal pending */
 #define TIF_NEED_RESCHED        3       /* rescheduling necessary */
 #define TIF_PERFCTR             4       /* performance counters active */
@@ -241,7 +241,6 @@ register struct thread_info *current_thread_info_reg asm("g6");
 #define TIF_POLLING_NRFLAG      14
 
 #define _TIF_SYSCALL_TRACE      (1<<TIF_SYSCALL_TRACE)
-#define _TIF_NOTIFY_RESUME      (1<<TIF_NOTIFY_RESUME)
 #define _TIF_SIGPENDING         (1<<TIF_SIGPENDING)
 #define _TIF_NEED_RESCHED       (1<<TIF_NEED_RESCHED)
 #define _TIF_PERFCTR            (1<<TIF_PERFCTR)
@@ -250,11 +249,12 @@ register struct thread_info *current_thread_info_reg asm("g6");
 #define _TIF_32BIT              (1<<TIF_32BIT)
 #define _TIF_SECCOMP            (1<<TIF_SECCOMP)
 #define _TIF_SYSCALL_AUDIT      (1<<TIF_SYSCALL_AUDIT)
+#define _TIF_RESTORE_SIGMASK    (1<<TIF_RESTORE_SIGMASK)
 #define _TIF_ABI_PENDING        (1<<TIF_ABI_PENDING)
 #define _TIF_POLLING_NRFLAG     (1<<TIF_POLLING_NRFLAG)
 
 #define _TIF_USER_WORK_MASK     ((0xff << TI_FLAG_WSAVED_SHIFT) | \
-                                 (_TIF_NOTIFY_RESUME | _TIF_SIGPENDING | \
+                                 (_TIF_SIGPENDING | _TIF_RESTORE_SIGMASK | \
                                   _TIF_NEED_RESCHED | _TIF_PERFCTR))
 
 #endif /* __KERNEL__ */
diff --git a/include/asm-sparc64/unistd.h b/include/asm-sparc64/unistd.h
index 51ec2879b881..84ac2bdb0902 100644
--- a/include/asm-sparc64/unistd.h
+++ b/include/asm-sparc64/unistd.h
@@ -302,11 +302,26 @@
 #define __NR_add_key            281
 #define __NR_request_key        282
 #define __NR_keyctl             283
+#define __NR_openat             284
+#define __NR_mkdirat            285
+#define __NR_mknodat            286
+#define __NR_fchownat           287
+#define __NR_futimesat          288
+#define __NR_newfstatat         289
+#define __NR_unlinkat           290
+#define __NR_renameat           291
+#define __NR_linkat             292
+#define __NR_symlinkat          293
+#define __NR_readlinkat         294
+#define __NR_fchmodat           295
+#define __NR_faccessat          296
+#define __NR_pselect6           297
+#define __NR_ppoll              298
 
-/* WARNING: You MAY NOT add syscall numbers larger than 283, since
+/* WARNING: You MAY NOT add syscall numbers larger than 298, since
  *          all of the syscall tables in the Sparc kernel are
- *          sized to have 283 entries (starting at zero).  Therefore
- *          find a free slot in the 0-282 range.
+ *          sized to have 298 entries (starting at zero).  Therefore
+ *          find a free slot in the 0-298 range.
  */
 
 #define _syscall0(type,name) \
@@ -501,6 +516,8 @@ asmlinkage long sys_rt_sigaction(int sig,
 #define __ARCH_WANT_SYS_OLDUMOUNT
 #define __ARCH_WANT_SYS_SIGPENDING
 #define __ARCH_WANT_SYS_SIGPROCMASK
+#define __ARCH_WANT_SYS_RT_SIGSUSPEND
+#define __ARCH_WANT_COMPAT_SYS_RT_SIGSUSPEND
 #endif
 
 /*