5 files changed, 15 insertions, 3 deletions

diff --git a/arch/parisc/include/asm/socket.h b/arch/parisc/include/asm/socket.h
index 885472bf7b78..960b1e5d8e16 100644
--- a/arch/parisc/include/asm/socket.h
+++ b/arch/parisc/include/asm/socket.h
@@ -24,6 +24,8 @@
 #define SO_RCVTIMEO     0x1006
 #define SO_ERROR        0x1007
 #define SO_TYPE         0x1008
+#define SO_PROTOCOL     0x1028
+#define SO_DOMAIN       0x1029
 #define SO_PEERNAME     0x2000
 
 #define SO_NO_CHECK     0x400b
diff --git a/arch/parisc/include/asm/thread_info.h b/arch/parisc/include/asm/thread_info.h
index 4ce0edfbe969..ac775a76bff7 100644
--- a/arch/parisc/include/asm/thread_info.h
+++ b/arch/parisc/include/asm/thread_info.h
@@ -59,6 +59,7 @@ struct thread_info {
 #define TIF_MEMDIE              5
 #define TIF_RESTORE_SIGMASK     6       /* restore saved signal mask */
 #define TIF_FREEZE              7       /* is freezing for suspend */
+#define TIF_NOTIFY_RESUME       8       /* callback before returning to user */
 
 #define _TIF_SYSCALL_TRACE      (1 << TIF_SYSCALL_TRACE)
 #define _TIF_SIGPENDING         (1 << TIF_SIGPENDING)
@@ -67,8 +68,9 @@ struct thread_info {
 #define _TIF_32BIT              (1 << TIF_32BIT)
 #define _TIF_RESTORE_SIGMASK    (1 << TIF_RESTORE_SIGMASK)
 #define _TIF_FREEZE             (1 << TIF_FREEZE)
+#define _TIF_NOTIFY_RESUME      (1 << TIF_NOTIFY_RESUME)
 
-#define _TIF_USER_WORK_MASK     (_TIF_SIGPENDING | \
+#define _TIF_USER_WORK_MASK     (_TIF_SIGPENDING | _TIF_NOTIFY_RESUME | \
                                  _TIF_NEED_RESCHED | _TIF_RESTORE_SIGMASK)
 
 #endif /* __KERNEL__ */
diff --git a/arch/parisc/kernel/entry.S b/arch/parisc/kernel/entry.S
index e552e547cb93..8c4712b74dc1 100644
--- a/arch/parisc/kernel/entry.S
+++ b/arch/parisc/kernel/entry.S
@@ -948,7 +948,7 @@ intr_check_sig:
         /* As above */
         mfctl   %cr30,%r1
         LDREG   TI_FLAGS(%r1),%r19
-        ldi     (_TIF_SIGPENDING|_TIF_RESTORE_SIGMASK), %r20
+        ldi     (_TIF_SIGPENDING|_TIF_RESTORE_SIGMASK|_TIF_NOTIFY_RESUME), %r20
         and,COND(<>)    %r19, %r20, %r0
         b,n     intr_restore    /* skip past if we've nothing to do */
 
diff --git a/arch/parisc/kernel/signal.c b/arch/parisc/kernel/signal.c
index f82544225e8e..8eb3c63c407a 100644
--- a/arch/parisc/kernel/signal.c
+++ b/arch/parisc/kernel/signal.c
@@ -25,6 +25,7 @@
 #include <linux/stddef.h>
 #include <linux/compat.h>
 #include <linux/elf.h>
+#include <linux/tracehook.h>
 #include <asm/ucontext.h>
 #include <asm/rt_sigframe.h>
 #include <asm/uaccess.h>
@@ -645,4 +646,11 @@ void do_notify_resume(struct pt_regs *regs, long in_syscall)
         if (test_thread_flag(TIF_SIGPENDING) ||
             test_thread_flag(TIF_RESTORE_SIGMASK))
                 do_signal(regs, in_syscall);
+
+        if (test_thread_flag(TIF_NOTIFY_RESUME)) {
+                clear_thread_flag(TIF_NOTIFY_RESUME);
+                tracehook_notify_resume(regs);
+                if (current->replacement_session_keyring)
+                        key_replace_session_keyring();
+        }
 }
diff --git a/arch/parisc/kernel/traps.c b/arch/parisc/kernel/traps.c
index 528f0ff9b273..8b58bf0b7d5a 100644
--- a/arch/parisc/kernel/traps.c
+++ b/arch/parisc/kernel/traps.c
@@ -532,7 +532,7 @@ void notrace handle_interruption(int code, struct pt_regs *regs)
                 /* Kill the user process later */
                 regs->iaoq[0] = 0 | 3;
                 regs->iaoq[1] = regs->iaoq[0] + 4;
-                regs->iasq[0] = regs->iasq[0] = regs->sr[7];
+                regs->iasq[0] = regs->iasq[1] = regs->sr[7];
                 regs->gr[0] &= ~PSW_B;
                 return;
         }