remove unused TIF_NOTIFY_RESUME flag

Remove unused TIF_NOTIFY_RESUME flag for all processor architectures.  The
flag was not used excecpt on IA-64 where the patch replaces it with
TIF_PERFMON_WORK.

Signed-off-by: stephane eranian <eranian@hpl.hp.com>
Cc: <linux-arch@vger.kernel.org>
Cc: "Luck, Tony" <tony.luck@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

24 files changed, 116 insertions, 155 deletions

diff --git a/arch/arm/kernel/entry-common.S b/arch/arm/kernel/entry-common.S
index c589dc3ecd1a..33e6cc2ffd3b 100644
--- a/arch/arm/kernel/entry-common.S
+++ b/arch/arm/kernel/entry-common.S
@@ -46,7 +46,7 @@ fast_work_pending:
 work_pending:
         tst     r1, #_TIF_NEED_RESCHED
         bne     work_resched
-        tst     r1, #_TIF_NOTIFY_RESUME | _TIF_SIGPENDING
+        tst     r1, #_TIF_SIGPENDING
         beq     no_work_pending
         mov     r0, sp                          @ 'regs'
         mov     r2, why                         @ 'syscall'
diff --git a/arch/arm26/kernel/entry.S b/arch/arm26/kernel/entry.S
index 91496cc687b1..7ffcc6e4770e 100644
--- a/arch/arm26/kernel/entry.S
+++ b/arch/arm26/kernel/entry.S
@@ -194,7 +194,7 @@ fast_work_pending:
 work_pending:
         tst     r1, #_TIF_NEED_RESCHED
         bne     work_resched
-        tst     r1, #_TIF_NOTIFY_RESUME | _TIF_SIGPENDING
+        tst     r1, #_TIF_SIGPENDING
         beq     no_work_pending
         mov     r0, sp                          @ 'regs'
         mov     r2, why                         @ 'syscall'
diff --git a/arch/ia64/kernel/perfmon.c b/arch/ia64/kernel/perfmon.c
index b7133cabdbea..14b8e5a6222b 100644
--- a/arch/ia64/kernel/perfmon.c
+++ b/arch/ia64/kernel/perfmon.c
@@ -591,13 +591,13 @@ pfm_set_task_notify(struct task_struct *task)
         struct thread_info *info;
 
         info = (struct thread_info *) ((char *) task + IA64_TASK_SIZE);
-        set_bit(TIF_NOTIFY_RESUME, &info->flags);
+        set_bit(TIF_PERFMON_WORK, &info->flags);
 }
 
 static inline void
 pfm_clear_task_notify(void)
 {
-        clear_thread_flag(TIF_NOTIFY_RESUME);
+        clear_thread_flag(TIF_PERFMON_WORK);
 }
 
 static inline void
diff --git a/arch/powerpc/kernel/entry_64.S b/arch/powerpc/kernel/entry_64.S
index 2b66d53dcc55..9ef28da2c7fe 100644
--- a/arch/powerpc/kernel/entry_64.S
+++ b/arch/powerpc/kernel/entry_64.S
@@ -546,7 +546,6 @@ END_FW_FTR_SECTION_IFSET(FW_FEATURE_ISERIES)
         rfid
         b       .       /* prevent speculative execution */
 
-/* Note: this must change if we start using the TIF_NOTIFY_RESUME bit */
 do_work:
 #ifdef CONFIG_PREEMPT
         andi.   r0,r3,MSR_PR    /* Returning to user mode? */
diff --git a/arch/x86_64/kernel/entry.S b/arch/x86_64/kernel/entry.S
index 830cfc6ee8cb..1d232e5f5658 100644
--- a/arch/x86_64/kernel/entry.S
+++ b/arch/x86_64/kernel/entry.S
@@ -282,7 +282,7 @@ sysret_careful:
 sysret_signal:
         TRACE_IRQS_ON
         sti
-        testl $(_TIF_SIGPENDING|_TIF_NOTIFY_RESUME|_TIF_SINGLESTEP|_TIF_MCE_NOTIFY),%edx
+        testl $(_TIF_SIGPENDING|_TIF_SINGLESTEP|_TIF_MCE_NOTIFY),%edx
         jz    1f
 
         /* Really a signal */
@@ -375,7 +375,7 @@ int_very_careful:
         jmp int_restore_rest
         
 int_signal:
-        testl $(_TIF_NOTIFY_RESUME|_TIF_SIGPENDING|_TIF_SINGLESTEP|_TIF_MCE_NOTIFY),%edx
+        testl $(_TIF_SIGPENDING|_TIF_SINGLESTEP|_TIF_MCE_NOTIFY),%edx
         jz 1f
         movq %rsp,%rdi          # &ptregs -> arg1
         xorl %esi,%esi          # oldset -> arg2
@@ -599,7 +599,7 @@ retint_careful:
         jmp retint_check
         
 retint_signal:
-        testl $(_TIF_SIGPENDING|_TIF_NOTIFY_RESUME|_TIF_SINGLESTEP|_TIF_MCE_NOTIFY),%edx
+        testl $(_TIF_SIGPENDING|_TIF_SINGLESTEP|_TIF_MCE_NOTIFY),%edx
         jz    retint_swapgs
         TRACE_IRQS_ON
         sti
diff --git a/include/asm-alpha/thread_info.h b/include/asm-alpha/thread_info.h
index 48a22e3e6f32..fb3185196298 100644
--- a/include/asm-alpha/thread_info.h
+++ b/include/asm-alpha/thread_info.h
@@ -67,28 +67,24 @@ register struct thread_info *__current_thread_info __asm__("$8");
  * TIF_SYSCALL_TRACE is known to be 0 via blbs.
  */
 #define TIF_SYSCALL_TRACE       0       /* syscall trace active */
-#define TIF_NOTIFY_RESUME       1       /* resumption notification requested */
-#define TIF_SIGPENDING          2       /* signal pending */
-#define TIF_NEED_RESCHED        3       /* rescheduling necessary */
-#define TIF_POLLING_NRFLAG      4       /* poll_idle is polling NEED_RESCHED */
-#define TIF_DIE_IF_KERNEL       5       /* dik recursion lock */
-#define TIF_UAC_NOPRINT         6       /* see sysinfo.h */
-#define TIF_UAC_NOFIX           7
-#define TIF_UAC_SIGBUS          8
-#define TIF_MEMDIE              9
-#define TIF_RESTORE_SIGMASK     10      /* restore signal mask in do_signal */
+#define TIF_SIGPENDING          1       /* signal pending */
+#define TIF_NEED_RESCHED        2       /* rescheduling necessary */
+#define TIF_POLLING_NRFLAG      3       /* poll_idle is polling NEED_RESCHED */
+#define TIF_DIE_IF_KERNEL       4       /* dik recursion lock */
+#define TIF_UAC_NOPRINT         5       /* see sysinfo.h */
+#define TIF_UAC_NOFIX           6
+#define TIF_UAC_SIGBUS          7
+#define TIF_MEMDIE              8
+#define TIF_RESTORE_SIGMASK     9       /* restore signal mask in do_signal */
 
 #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_POLLING_NRFLAG     (1<<TIF_POLLING_NRFLAG)
 #define _TIF_RESTORE_SIGMASK    (1<<TIF_RESTORE_SIGMASK)
 
 /* Work to do on interrupt/exception return.  */
-#define _TIF_WORK_MASK          (_TIF_NOTIFY_RESUME     \
-                                 | _TIF_SIGPENDING      \
-                                 | _TIF_NEED_RESCHED)
+#define _TIF_WORK_MASK          (_TIF_SIGPENDING | _TIF_NEED_RESCHED)
 
 /* Work to do on any return to userspace.  */
 #define _TIF_ALLWORK_MASK       (_TIF_WORK_MASK         \
diff --git a/include/asm-arm/thread_info.h b/include/asm-arm/thread_info.h
index 69c65d56a6ac..41784357a204 100644
--- a/include/asm-arm/thread_info.h
+++ b/include/asm-arm/thread_info.h
@@ -134,22 +134,19 @@ extern void iwmmxt_task_switch(struct thread_info *);
 /*
  * thread information flags:
  *  TIF_SYSCALL_TRACE   - syscall trace active
- *  TIF_NOTIFY_RESUME   - resumption notification requested
  *  TIF_SIGPENDING      - signal pending
  *  TIF_NEED_RESCHED    - rescheduling necessary
  *  TIF_USEDFPU         - FPU was used by this task this quantum (SMP)
  *  TIF_POLLING_NRFLAG  - true if poll_idle() is polling TIF_NEED_RESCHED
  */
-#define TIF_NOTIFY_RESUME       0
-#define TIF_SIGPENDING          1
-#define TIF_NEED_RESCHED        2
+#define TIF_SIGPENDING          0
+#define TIF_NEED_RESCHED        1
 #define TIF_SYSCALL_TRACE       8
 #define TIF_POLLING_NRFLAG      16
 #define TIF_USING_IWMMXT        17
 #define TIF_MEMDIE              18
 #define TIF_FREEZE              19
 
-#define _TIF_NOTIFY_RESUME      (1 << TIF_NOTIFY_RESUME)
 #define _TIF_SIGPENDING         (1 << TIF_SIGPENDING)
 #define _TIF_NEED_RESCHED       (1 << TIF_NEED_RESCHED)
 #define _TIF_SYSCALL_TRACE      (1 << TIF_SYSCALL_TRACE)
diff --git a/include/asm-arm26/thread_info.h b/include/asm-arm26/thread_info.h
index 9b367ebe515d..f9b5c09b560f 100644
--- a/include/asm-arm26/thread_info.h
+++ b/include/asm-arm26/thread_info.h
@@ -110,21 +110,18 @@ extern void free_thread_info(struct thread_info *);
 /*
  * thread information flags:
  *  TIF_SYSCALL_TRACE   - syscall trace active
- *  TIF_NOTIFY_RESUME   - resumption notification requested
  *  TIF_SIGPENDING      - signal pending
  *  TIF_NEED_RESCHED    - rescheduling necessary
  *  TIF_USEDFPU         - FPU was used by this task this quantum (SMP)
  *  TIF_POLLING_NRFLAG  - true if poll_idle() is polling TIF_NEED_RESCHED
  */
-#define TIF_NOTIFY_RESUME       0
-#define TIF_SIGPENDING          1
-#define TIF_NEED_RESCHED        2
+#define TIF_SIGPENDING          0
+#define TIF_NEED_RESCHED        1
 #define TIF_SYSCALL_TRACE       8
 #define TIF_USED_FPU            16
 #define TIF_POLLING_NRFLAG      17
 #define TIF_MEMDIE              18
 
-#define _TIF_NOTIFY_RESUME      (1 << TIF_NOTIFY_RESUME)
 #define _TIF_SIGPENDING         (1 << TIF_SIGPENDING)
 #define _TIF_NEED_RESCHED       (1 << TIF_NEED_RESCHED)
 #define _TIF_SYSCALL_TRACE      (1 << TIF_SYSCALL_TRACE)
diff --git a/include/asm-avr32/thread_info.h b/include/asm-avr32/thread_info.h
index a2e606dd4f4a..17dacf3f36d3 100644
--- a/include/asm-avr32/thread_info.h
+++ b/include/asm-avr32/thread_info.h
@@ -74,20 +74,18 @@ static inline struct thread_info *current_thread_info(void)
  * - other flags in MSW
  */
 #define TIF_SYSCALL_TRACE       0       /* syscall trace active */
-#define TIF_NOTIFY_RESUME       1       /* resumption notification requested */
-#define TIF_SIGPENDING          2       /* signal pending */
-#define TIF_NEED_RESCHED        3       /* rescheduling necessary */
-#define TIF_POLLING_NRFLAG      4       /* true if poll_idle() is polling
+#define TIF_SIGPENDING          1       /* signal pending */
+#define TIF_NEED_RESCHED        2       /* rescheduling necessary */
+#define TIF_POLLING_NRFLAG      3       /* true if poll_idle() is polling
                                            TIF_NEED_RESCHED */
-#define TIF_BREAKPOINT          5       /* true if we should break after return */
-#define TIF_SINGLE_STEP         6       /* single step after next break */
-#define TIF_MEMDIE              7
-#define TIF_RESTORE_SIGMASK     8       /* restore signal mask in do_signal */
-#define TIF_CPU_GOING_TO_SLEEP  9       /* CPU is entering sleep 0 mode */
+#define TIF_BREAKPOINT          4       /* true if we should break after return */
+#define TIF_SINGLE_STEP         5       /* single step after next break */
+#define TIF_MEMDIE              6
+#define TIF_RESTORE_SIGMASK     7       /* restore signal mask in do_signal */
+#define TIF_CPU_GOING_TO_SLEEP  8       /* CPU is entering sleep 0 mode */
 #define TIF_USERSPACE           31      /* true if FS sets userspace */
 
 #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_POLLING_NRFLAG     (1 << TIF_POLLING_NRFLAG)
diff --git a/include/asm-blackfin/thread_info.h b/include/asm-blackfin/thread_info.h
index 34d3c2eec949..15b99cf4f50b 100644
--- a/include/asm-blackfin/thread_info.h
+++ b/include/asm-blackfin/thread_info.h
@@ -118,18 +118,16 @@ static inline struct thread_info *current_thread_info(void)
  * thread information flag bit numbers
  */
 #define TIF_SYSCALL_TRACE       0       /* syscall trace active */
-#define TIF_NOTIFY_RESUME       1       /* resumption notification requested */
-#define TIF_SIGPENDING          2       /* signal pending */
-#define TIF_NEED_RESCHED        3       /* rescheduling necessary */
-#define TIF_POLLING_NRFLAG      4       /* true if poll_idle() is polling
+#define TIF_SIGPENDING          1       /* signal pending */
+#define TIF_NEED_RESCHED        2       /* rescheduling necessary */
+#define TIF_POLLING_NRFLAG      3       /* true if poll_idle() is polling
                                            TIF_NEED_RESCHED */
-#define TIF_MEMDIE              5
-#define TIF_RESTORE_SIGMASK     6       /* restore signal mask in do_signal() */
-#define TIF_FREEZE              7       /* is freezing for suspend */
+#define TIF_MEMDIE              4
+#define TIF_RESTORE_SIGMASK     5       /* restore signal mask in do_signal() */
+#define TIF_FREEZE              6       /* is freezing for suspend */
 
 /* as above, but as bit values */
 #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_POLLING_NRFLAG     (1<<TIF_POLLING_NRFLAG)
diff --git a/include/asm-cris/thread_info.h b/include/asm-cris/thread_info.h
index 7ad853c3f74e..fde39f6c49c7 100644
--- a/include/asm-cris/thread_info.h
+++ b/include/asm-cris/thread_info.h
@@ -79,14 +79,12 @@ struct thread_info {
  * - other flags in MSW
  */
 #define TIF_SYSCALL_TRACE       0       /* syscall trace active */
-#define TIF_NOTIFY_RESUME       1       /* resumption notification requested */
-#define TIF_SIGPENDING          2       /* signal pending */
-#define TIF_NEED_RESCHED        3       /* rescheduling necessary */
+#define TIF_SIGPENDING          1       /* signal pending */
+#define TIF_NEED_RESCHED        2       /* rescheduling necessary */
 #define TIF_POLLING_NRFLAG      16      /* true if poll_idle() is polling TIF_NEED_RESCHED */
 #define TIF_MEMDIE              17
 
 #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_POLLING_NRFLAG     (1<<TIF_POLLING_NRFLAG)
diff --git a/include/asm-frv/thread_info.h b/include/asm-frv/thread_info.h
index d881f518e6a9..cc5433e78b52 100644
--- a/include/asm-frv/thread_info.h
+++ b/include/asm-frv/thread_info.h
@@ -108,18 +108,16 @@ register struct thread_info *__current_thread_info asm("gr15");
  * - other flags in MSW
  */
 #define TIF_SYSCALL_TRACE       0       /* syscall trace active */
-#define TIF_NOTIFY_RESUME       1       /* resumption notification requested */
-#define TIF_SIGPENDING          2       /* signal pending */
-#define TIF_NEED_RESCHED        3       /* rescheduling necessary */
-#define TIF_SINGLESTEP          4       /* restore singlestep on return to user mode */
-#define TIF_IRET                5       /* return with iret */
-#define TIF_RESTORE_SIGMASK     6       /* restore signal mask in do_signal() */
+#define TIF_SIGPENDING          1       /* signal pending */
+#define TIF_NEED_RESCHED        2       /* rescheduling necessary */
+#define TIF_SINGLESTEP          3       /* restore singlestep on return to user mode */
+#define TIF_IRET                4       /* return with iret */
+#define TIF_RESTORE_SIGMASK     5       /* restore signal mask in do_signal() */
 #define TIF_POLLING_NRFLAG      16      /* true if poll_idle() is polling TIF_NEED_RESCHED */
 #define TIF_MEMDIE              17      /* OOM killer killed process */
 #define TIF_FREEZE              18      /* freezing for suspend */
 
 #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_SINGLESTEP         (1 << TIF_SINGLESTEP)
diff --git a/include/asm-h8300/thread_info.h b/include/asm-h8300/thread_info.h
index aee4009a498e..27bb95e2944c 100644
--- a/include/asm-h8300/thread_info.h
+++ b/include/asm-h8300/thread_info.h
@@ -86,17 +86,15 @@ static inline struct thread_info *current_thread_info(void)
  * thread information flag bit numbers
  */
 #define TIF_SYSCALL_TRACE       0       /* syscall trace active */
-#define TIF_NOTIFY_RESUME       1       /* resumption notification requested */
-#define TIF_SIGPENDING          2       /* signal pending */
-#define TIF_NEED_RESCHED        3       /* rescheduling necessary */
-#define TIF_POLLING_NRFLAG      4       /* true if poll_idle() is polling
+#define TIF_SIGPENDING          1       /* signal pending */
+#define TIF_NEED_RESCHED        2       /* rescheduling necessary */
+#define TIF_POLLING_NRFLAG      3       /* true if poll_idle() is polling
                                            TIF_NEED_RESCHED */
-#define TIF_MEMDIE              5
-#define TIF_RESTORE_SIGMASK     6       /* restore signal mask in do_signal() */
+#define TIF_MEMDIE              4
+#define TIF_RESTORE_SIGMASK     5       /* restore signal mask in do_signal() */
 
 /* as above, but as bit values */
 #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_POLLING_NRFLAG     (1<<TIF_POLLING_NRFLAG)
diff --git a/include/asm-i386/thread_info.h b/include/asm-i386/thread_info.h
index 54424e045e01..22a8cbcd35e2 100644
--- a/include/asm-i386/thread_info.h
+++ b/include/asm-i386/thread_info.h
@@ -124,15 +124,14 @@ static inline struct thread_info *current_thread_info(void)
  * - other flags in MSW
  */
 #define TIF_SYSCALL_TRACE       0       /* syscall trace active */
-#define TIF_NOTIFY_RESUME       1       /* resumption notification requested */
-#define TIF_SIGPENDING          2       /* signal pending */
-#define TIF_NEED_RESCHED        3       /* rescheduling necessary */
-#define TIF_SINGLESTEP          4       /* restore singlestep on return to user mode */
-#define TIF_IRET                5       /* return with iret */
-#define TIF_SYSCALL_EMU         6       /* syscall emulation active */
-#define TIF_SYSCALL_AUDIT       7       /* syscall auditing active */
-#define TIF_SECCOMP             8       /* secure computing */
-#define TIF_RESTORE_SIGMASK     9       /* restore signal mask in do_signal() */
+#define TIF_SIGPENDING          1       /* signal pending */
+#define TIF_NEED_RESCHED        2       /* rescheduling necessary */
+#define TIF_SINGLESTEP          3       /* restore singlestep on return to user mode */
+#define TIF_IRET                4       /* return with iret */
+#define TIF_SYSCALL_EMU         5       /* syscall emulation active */
+#define TIF_SYSCALL_AUDIT       6       /* syscall auditing active */
+#define TIF_SECCOMP             7       /* secure computing */
+#define TIF_RESTORE_SIGMASK     8       /* restore signal mask in do_signal() */
 #define TIF_MEMDIE              16
 #define TIF_DEBUG               17      /* uses debug registers */
 #define TIF_IO_BITMAP           18      /* uses I/O bitmap */
@@ -140,7 +139,6 @@ static inline struct thread_info *current_thread_info(void)
 #define TIF_NOTSC               20      /* TSC is not accessible in userland */
 
 #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_SINGLESTEP         (1<<TIF_SINGLESTEP)
diff --git a/include/asm-ia64/thread_info.h b/include/asm-ia64/thread_info.h
index 7d0241db622b..d16031e72efa 100644
--- a/include/asm-ia64/thread_info.h
+++ b/include/asm-ia64/thread_info.h
@@ -79,13 +79,13 @@ struct thread_info {
  * - pending work-to-be-done flags are in least-significant 16 bits, other flags
  *   in top 16 bits
  */
-#define TIF_NOTIFY_RESUME       0       /* resumption notification requested */
-#define TIF_SIGPENDING          1       /* signal pending */
-#define TIF_NEED_RESCHED        2       /* rescheduling necessary */
-#define TIF_SYSCALL_TRACE       3       /* syscall trace active */
-#define TIF_SYSCALL_AUDIT       4       /* syscall auditing active */
-#define TIF_SINGLESTEP          5       /* restore singlestep on return to user mode */
-#define TIF_RESTORE_SIGMASK     6       /* restore signal mask in do_signal() */
+#define TIF_SIGPENDING          0       /* signal pending */
+#define TIF_NEED_RESCHED        1       /* rescheduling necessary */
+#define TIF_SYSCALL_TRACE       2       /* syscall trace active */
+#define TIF_SYSCALL_AUDIT       3       /* syscall auditing active */
+#define TIF_SINGLESTEP          4       /* restore singlestep on return to user mode */
+#define TIF_RESTORE_SIGMASK     5       /* restore signal mask in do_signal() */
+#define TIF_PERFMON_WORK        6       /* work for pfm_handle_work() */
 #define TIF_POLLING_NRFLAG      16      /* true if poll_idle() is polling TIF_NEED_RESCHED */
 #define TIF_MEMDIE              17
 #define TIF_MCA_INIT            18      /* this task is processing MCA or INIT */
@@ -96,8 +96,8 @@ struct thread_info {
 #define _TIF_SYSCALL_AUDIT      (1 << TIF_SYSCALL_AUDIT)
 #define _TIF_SINGLESTEP         (1 << TIF_SINGLESTEP)
 #define _TIF_SYSCALL_TRACEAUDIT (_TIF_SYSCALL_TRACE|_TIF_SYSCALL_AUDIT|_TIF_SINGLESTEP)
-#define _TIF_NOTIFY_RESUME      (1 << TIF_NOTIFY_RESUME)
 #define _TIF_RESTORE_SIGMASK    (1 << TIF_RESTORE_SIGMASK)
+#define _TIF_PERFMON_WORK       (1 << TIF_PERFMON_WORK)
 #define _TIF_SIGPENDING         (1 << TIF_SIGPENDING)
 #define _TIF_NEED_RESCHED       (1 << TIF_NEED_RESCHED)
 #define _TIF_POLLING_NRFLAG     (1 << TIF_POLLING_NRFLAG)
@@ -106,7 +106,9 @@ struct thread_info {
 #define _TIF_FREEZE             (1 << TIF_FREEZE)
 
 /* "work to do on user-return" bits */
-#define TIF_ALLWORK_MASK        (_TIF_NOTIFY_RESUME|_TIF_SIGPENDING|_TIF_NEED_RESCHED|_TIF_SYSCALL_TRACE|_TIF_SYSCALL_AUDIT|_TIF_RESTORE_SIGMASK)
+#define TIF_ALLWORK_MASK        (_TIF_SIGPENDING|_TIF_PERFMON_WORK|_TIF_SYSCALL_AUDIT|\
+                                 _TIF_NEED_RESCHED| _TIF_SYSCALL_TRACE|\
+                                 _TIF_RESTORE_SIGMASK)
 /* like TIF_ALLWORK_BITS but sans TIF_SYSCALL_TRACE or TIF_SYSCALL_AUDIT */
 #define TIF_WORK_MASK           (TIF_ALLWORK_MASK&~(_TIF_SYSCALL_TRACE|_TIF_SYSCALL_AUDIT))
 
diff --git a/include/asm-m32r/thread_info.h b/include/asm-m32r/thread_info.h
index 22aff3222d22..b7ccc3e68604 100644
--- a/include/asm-m32r/thread_info.h
+++ b/include/asm-m32r/thread_info.h
@@ -146,17 +146,15 @@ static inline unsigned int get_thread_fault_code(void)
  * - other flags in MSW
  */
 #define TIF_SYSCALL_TRACE       0       /* syscall trace active */
-#define TIF_NOTIFY_RESUME       1       /* resumption notification requested */
-#define TIF_SIGPENDING          2       /* signal pending */
-#define TIF_NEED_RESCHED        3       /* rescheduling necessary */
-#define TIF_SINGLESTEP          4       /* restore singlestep on return to user mode */
-#define TIF_IRET                5       /* return with iret */
+#define TIF_SIGPENDING          1       /* signal pending */
+#define TIF_NEED_RESCHED        2       /* rescheduling necessary */
+#define TIF_SINGLESTEP          3       /* restore singlestep on return to user mode */
+#define TIF_IRET                4       /* return with iret */
 #define TIF_POLLING_NRFLAG      16      /* true if poll_idle() is polling TIF_NEED_RESCHED */
                                         /* 31..28 fault code */
 #define TIF_MEMDIE              17
 
 #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_SINGLESTEP         (1<<TIF_SINGLESTEP)
diff --git a/include/asm-m68knommu/thread_info.h b/include/asm-m68knommu/thread_info.h
index b8f009edf2b2..95996d978bed 100644
--- a/include/asm-m68knommu/thread_info.h
+++ b/include/asm-m68knommu/thread_info.h
@@ -83,16 +83,14 @@ static inline struct thread_info *current_thread_info(void)
  * thread information flag bit numbers
  */
 #define TIF_SYSCALL_TRACE       0       /* syscall trace active */
-#define TIF_NOTIFY_RESUME       1       /* resumption notification requested */
-#define TIF_SIGPENDING          2       /* signal pending */
-#define TIF_NEED_RESCHED        3       /* rescheduling necessary */
-#define TIF_POLLING_NRFLAG      4       /* true if poll_idle() is polling
+#define TIF_SIGPENDING          1       /* signal pending */
+#define TIF_NEED_RESCHED        2       /* rescheduling necessary */
+#define TIF_POLLING_NRFLAG      3       /* true if poll_idle() is polling
                                            TIF_NEED_RESCHED */
-#define TIF_MEMDIE              5
+#define TIF_MEMDIE              4
 
 /* as above, but as bit values */
 #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_POLLING_NRFLAG     (1<<TIF_POLLING_NRFLAG)
diff --git a/include/asm-mips/thread_info.h b/include/asm-mips/thread_info.h
index fbcda8204473..645e7e2a5665 100644
--- a/include/asm-mips/thread_info.h
+++ b/include/asm-mips/thread_info.h
@@ -109,11 +109,10 @@ register struct thread_info *__current_thread_info __asm__("$28");
  * - pending work-to-be-done flags are in LSW
  * - other flags in MSW
  */
-#define TIF_NOTIFY_RESUME       1       /* resumption notification requested */
-#define TIF_SIGPENDING          2       /* signal pending */
-#define TIF_NEED_RESCHED        3       /* rescheduling necessary */
-#define TIF_SYSCALL_AUDIT       4       /* syscall auditing active */
-#define TIF_SECCOMP             5       /* secure computing */
+#define TIF_SIGPENDING          1       /* signal pending */
+#define TIF_NEED_RESCHED        2       /* rescheduling necessary */
+#define TIF_SYSCALL_AUDIT       3       /* syscall auditing active */
+#define TIF_SECCOMP             4       /* secure computing */
 #define TIF_RESTORE_SIGMASK     9       /* restore signal mask in do_signal() */
 #define TIF_USEDFPU             16      /* FPU was used by this task this quantum (SMP) */
 #define TIF_POLLING_NRFLAG      17      /* true if poll_idle() is polling TIF_NEED_RESCHED */
@@ -122,7 +121,6 @@ register struct thread_info *__current_thread_info __asm__("$28");
 #define TIF_SYSCALL_TRACE       31      /* syscall trace active */
 
 #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_SYSCALL_AUDIT      (1<<TIF_SYSCALL_AUDIT)
diff --git a/include/asm-parisc/thread_info.h b/include/asm-parisc/thread_info.h
index 949314cf6188..2d9c7500867b 100644
--- a/include/asm-parisc/thread_info.h
+++ b/include/asm-parisc/thread_info.h
@@ -56,23 +56,21 @@ struct thread_info {
  * thread information flags
  */
 #define TIF_SYSCALL_TRACE       0       /* syscall trace active */
-#define TIF_NOTIFY_RESUME       1       /* resumption notification requested */
-#define TIF_SIGPENDING          2       /* signal pending */
-#define TIF_NEED_RESCHED        3       /* rescheduling necessary */
-#define TIF_POLLING_NRFLAG      4       /* true if poll_idle() is polling TIF_NEED_RESCHED */
-#define TIF_32BIT               5       /* 32 bit binary */
-#define TIF_MEMDIE              6
-#define TIF_RESTORE_SIGMASK     7       /* restore saved signal mask */
+#define TIF_SIGPENDING          1       /* signal pending */
+#define TIF_NEED_RESCHED        2       /* rescheduling necessary */
+#define TIF_POLLING_NRFLAG      3       /* true if poll_idle() is polling TIF_NEED_RESCHED */
+#define TIF_32BIT               4       /* 32 bit binary */
+#define TIF_MEMDIE              5
+#define TIF_RESTORE_SIGMASK     6       /* restore saved signal mask */
 
 #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_POLLING_NRFLAG     (1 << TIF_POLLING_NRFLAG)
 #define _TIF_32BIT              (1 << TIF_32BIT)
 #define _TIF_RESTORE_SIGMASK    (1 << TIF_RESTORE_SIGMASK)
 
-#define _TIF_USER_WORK_MASK     (_TIF_NOTIFY_RESUME | _TIF_SIGPENDING | \
+#define _TIF_USER_WORK_MASK     (_TIF_SIGPENDING | \
                                  _TIF_NEED_RESCHED | _TIF_RESTORE_SIGMASK)
 
 #endif /* __KERNEL__ */
diff --git a/include/asm-powerpc/thread_info.h b/include/asm-powerpc/thread_info.h
index 9d9aeca8ad22..40d5f98c44fc 100644
--- a/include/asm-powerpc/thread_info.h
+++ b/include/asm-powerpc/thread_info.h
@@ -107,28 +107,26 @@ static inline struct thread_info *current_thread_info(void)
  * thread information flag bit numbers
  */
 #define TIF_SYSCALL_TRACE       0       /* syscall trace active */
-#define TIF_NOTIFY_RESUME       1       /* resumption notification requested */
-#define TIF_SIGPENDING          2       /* signal pending */
-#define TIF_NEED_RESCHED        3       /* rescheduling necessary */
-#define TIF_POLLING_NRFLAG      4       /* true if poll_idle() is polling
+#define TIF_SIGPENDING          1       /* signal pending */
+#define TIF_NEED_RESCHED        2       /* rescheduling necessary */
+#define TIF_POLLING_NRFLAG      3       /* true if poll_idle() is polling
                                            TIF_NEED_RESCHED */
-#define TIF_32BIT               5       /* 32 bit binary */
-#define TIF_PERFMON_WORK        6       /* work for pfm_handle_work() */
-#define TIF_PERFMON_CTXSW       7       /* perfmon needs ctxsw calls */
-#define TIF_SYSCALL_AUDIT       8       /* syscall auditing active */
-#define TIF_SINGLESTEP          9       /* singlestepping active */
-#define TIF_MEMDIE              10
-#define TIF_SECCOMP             11      /* secure computing */
-#define TIF_RESTOREALL          12      /* Restore all regs (implies NOERROR) */
-#define TIF_NOERROR             14      /* Force successful syscall return */
-#define TIF_RESTORE_SIGMASK     15      /* Restore signal mask in do_signal */
-#define TIF_FREEZE              16      /* Freezing for suspend */
-#define TIF_RUNLATCH            17      /* Is the runlatch enabled? */
-#define TIF_ABI_PENDING         18      /* 32/64 bit switch needed */
+#define TIF_32BIT               4       /* 32 bit binary */
+#define TIF_PERFMON_WORK        5       /* work for pfm_handle_work() */
+#define TIF_PERFMON_CTXSW       6       /* perfmon needs ctxsw calls */
+#define TIF_SYSCALL_AUDIT       7       /* syscall auditing active */
+#define TIF_SINGLESTEP          8       /* singlestepping active */
+#define TIF_MEMDIE              9
+#define TIF_SECCOMP             10      /* secure computing */
+#define TIF_RESTOREALL          11      /* Restore all regs (implies NOERROR) */
+#define TIF_NOERROR             12      /* Force successful syscall return */
+#define TIF_RESTORE_SIGMASK     13      /* Restore signal mask in do_signal */
+#define TIF_FREEZE              14      /* Freezing for suspend */
+#define TIF_RUNLATCH            15      /* Is the runlatch enabled? */
+#define TIF_ABI_PENDING         16      /* 32/64 bit switch needed */
 
 /* as above, but as bit values */
 #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_POLLING_NRFLAG     (1<<TIF_POLLING_NRFLAG)
@@ -146,7 +144,7 @@ static inline struct thread_info *current_thread_info(void)
 #define _TIF_ABI_PENDING        (1<<TIF_ABI_PENDING)
 #define _TIF_SYSCALL_T_OR_A     (_TIF_SYSCALL_TRACE|_TIF_SYSCALL_AUDIT|_TIF_SECCOMP)
 
-#define _TIF_USER_WORK_MASK     (_TIF_NOTIFY_RESUME | _TIF_SIGPENDING | \
+#define _TIF_USER_WORK_MASK     ( _TIF_SIGPENDING | \
                                  _TIF_NEED_RESCHED | _TIF_RESTORE_SIGMASK)
 #define _TIF_PERSYSCALL_MASK    (_TIF_RESTOREALL|_TIF_NOERROR)
 
diff --git a/include/asm-sh/thread_info.h b/include/asm-sh/thread_info.h
index 31d55e3782d5..1f7e1deb8d92 100644
--- a/include/asm-sh/thread_info.h
+++ b/include/asm-sh/thread_info.h
@@ -107,18 +107,16 @@ static inline struct thread_info *current_thread_info(void)
  * - other flags in MSW
  */
 #define TIF_SYSCALL_TRACE       0       /* syscall trace active */
-#define TIF_NOTIFY_RESUME       1       /* resumption notification requested */
-#define TIF_SIGPENDING          2       /* signal pending */
-#define TIF_NEED_RESCHED        3       /* rescheduling necessary */
-#define TIF_RESTORE_SIGMASK     4       /* restore signal mask in do_signal() */
-#define TIF_SINGLESTEP          5       /* singlestepping active */
+#define TIF_SIGPENDING          1       /* signal pending */
+#define TIF_NEED_RESCHED        2       /* rescheduling necessary */
+#define TIF_RESTORE_SIGMASK     3       /* restore signal mask in do_signal() */
+#define TIF_SINGLESTEP          4       /* singlestepping active */
 #define TIF_USEDFPU             16      /* FPU was used by this task this quantum (SMP) */
 #define TIF_POLLING_NRFLAG      17      /* true if poll_idle() is polling TIF_NEED_RESCHED */
 #define TIF_MEMDIE              18
 #define TIF_FREEZE              19
 
 #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_RESTORE_SIGMASK    (1<<TIF_RESTORE_SIGMASK)
diff --git a/include/asm-v850/thread_info.h b/include/asm-v850/thread_info.h
index 82b8f2846207..1a9e6ae0c5fd 100644
--- a/include/asm-v850/thread_info.h
+++ b/include/asm-v850/thread_info.h
@@ -77,16 +77,14 @@ struct thread_info {
  * thread information flag bit numbers
  */
 #define TIF_SYSCALL_TRACE       0       /* syscall trace active */
-#define TIF_NOTIFY_RESUME       1       /* resumption notification requested */
-#define TIF_SIGPENDING          2       /* signal pending */
-#define TIF_NEED_RESCHED        3       /* rescheduling necessary */
-#define TIF_POLLING_NRFLAG      4       /* true if poll_idle() is polling
+#define TIF_SIGPENDING          1       /* signal pending */
+#define TIF_NEED_RESCHED        2       /* rescheduling necessary */
+#define TIF_POLLING_NRFLAG      3       /* true if poll_idle() is polling
                                            TIF_NEED_RESCHED */
-#define TIF_MEMDIE              5
+#define TIF_MEMDIE              4
 
 /* as above, but as bit values */
 #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_POLLING_NRFLAG     (1<<TIF_POLLING_NRFLAG)
diff --git a/include/asm-x86_64/thread_info.h b/include/asm-x86_64/thread_info.h
index 33c72ef15a0c..beae2bfb62ca 100644
--- a/include/asm-x86_64/thread_info.h
+++ b/include/asm-x86_64/thread_info.h
@@ -107,7 +107,6 @@ static inline struct thread_info *stack_thread_info(void)
  * Warning: layout of LSW is hardcoded in entry.S
  */
 #define TIF_SYSCALL_TRACE       0       /* syscall trace active */
-#define TIF_NOTIFY_RESUME       1       /* resumption notification requested */
 #define TIF_SIGPENDING          2       /* signal pending */
 #define TIF_NEED_RESCHED        3       /* rescheduling necessary */
 #define TIF_SINGLESTEP          4       /* reenable singlestep on user return*/
@@ -126,7 +125,6 @@ static inline struct thread_info *stack_thread_info(void)
 #define TIF_FREEZE              23      /* is freezing for suspend */
 
 #define _TIF_SYSCALL_TRACE      (1<<TIF_SYSCALL_TRACE)
-#define _TIF_NOTIFY_RESUME      (1<<TIF_NOTIFY_RESUME)
 #define _TIF_SIGPENDING         (1<<TIF_SIGPENDING)
 #define _TIF_SINGLESTEP         (1<<TIF_SINGLESTEP)
 #define _TIF_NEED_RESCHED       (1<<TIF_NEED_RESCHED)
diff --git a/include/asm-xtensa/thread_info.h b/include/asm-xtensa/thread_info.h
index 3fa29799b435..52c958285bcb 100644
--- a/include/asm-xtensa/thread_info.h
+++ b/include/asm-xtensa/thread_info.h
@@ -110,17 +110,15 @@ static inline struct thread_info *current_thread_info(void)
  * - other flags in MSW
  */
 #define TIF_SYSCALL_TRACE       0       /* syscall trace active */
-#define TIF_NOTIFY_RESUME       1       /* resumption notification requested */
-#define TIF_SIGPENDING          2       /* signal pending */
-#define TIF_NEED_RESCHED        3       /* rescheduling necessary */
-#define TIF_SINGLESTEP          4       /* restore singlestep on return to user mode */
-#define TIF_IRET                5       /* return with iret */
-#define TIF_MEMDIE              6
-#define TIF_RESTORE_SIGMASK     7       /* restore signal mask in do_signal() */
+#define TIF_SIGPENDING          1       /* signal pending */
+#define TIF_NEED_RESCHED        2       /* rescheduling necessary */
+#define TIF_SINGLESTEP          3       /* restore singlestep on return to user mode */
+#define TIF_IRET                4       /* return with iret */
+#define TIF_MEMDIE              5
+#define TIF_RESTORE_SIGMASK     6       /* restore signal mask in do_signal() */
 #define TIF_POLLING_NRFLAG      16      /* true if poll_idle() is polling TIF_NEED_RESCHED */
 
 #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_SINGLESTEP         (1<<TIF_SINGLESTEP)