signals: ia64 renumber TIF_RESTORE_SIGMASK

TIF_RESTORE_SIGMASK no longer needs to be in the _TIF_WORK_* masks.
Those low bits are scarce.  Renumber TIF_RESTORE_SIGMASK to free one up.

Signed-off-by: Roland McGrath <roland@redhat.com>
Cc: Oleg Nesterov <oleg@tv-sign.ru>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
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>

diff --git a/arch/ia64/kernel/process.c b/arch/ia64/kernel/process.c
index a5ea817..58dcfac 100644 (file)
--- a/arch/ia64/kernel/process.c
+++ b/arch/ia64/kernel/process.c
@@ -183,7 +183,7 @@ do_notify_resume_user (sigset_t *unused, struct sigscratch *scr, long in_syscall
 #endif
 
        /* deal with pending signal delivery */
-       if (test_thread_flag(TIF_SIGPENDING)||test_thread_flag(TIF_RESTORE_SIGMASK))
+       if (test_thread_flag(TIF_SIGPENDING))
                ia64_do_signal(scr, in_syscall);
 
        /* copy user rbs to kernel rbs */

diff --git a/include/asm-ia64/thread_info.h b/include/asm-ia64/thread_info.h
index 6da8069..f30e055 100644 (file)
--- a/include/asm-ia64/thread_info.h
+++ b/include/asm-ia64/thread_info.h
@@ -101,7 +101,6 @@ extern void tsk_clear_notify_resume(struct task_struct *tsk);
 #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_NOTIFY_RESUME      6       /* resumption notification requested */
 #define TIF_POLLING_NRFLAG     16      /* true if poll_idle() is polling TIF_NEED_RESCHED */
 #define TIF_MEMDIE             17
@@ -109,6 +108,7 @@ extern void tsk_clear_notify_resume(struct task_struct *tsk);
 #define TIF_DB_DISABLED                19      /* debug trap disabled for fsyscall */
 #define TIF_FREEZE             20      /* is freezing for suspend */
 #define TIF_RESTORE_RSE                21      /* user RBS is newer than kernel RBS */
+#define TIF_RESTORE_SIGMASK    22      /* restore signal mask in do_signal() */
 
 #define _TIF_SYSCALL_TRACE     (1 << TIF_SYSCALL_TRACE)
 #define _TIF_SYSCALL_AUDIT     (1 << TIF_SYSCALL_AUDIT)
@@ -126,8 +126,7 @@ extern void tsk_clear_notify_resume(struct task_struct *tsk);
 
 /* "work to do on user-return" bits */
 #define TIF_ALLWORK_MASK       (_TIF_SIGPENDING|_TIF_NOTIFY_RESUME|_TIF_SYSCALL_AUDIT|\
-                                _TIF_NEED_RESCHED| _TIF_SYSCALL_TRACE|\
-                                _TIF_RESTORE_SIGMASK)
+                                _TIF_NEED_RESCHED|_TIF_SYSCALL_TRACE)
 /* 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))