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[PATCH 4/4] ia64 renumber TIF_RESTORE_SIGMASK

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To: Andrew Morton <akpm@...>, Linus Torvalds <torvalds@...>
Cc: Martin Schwidefsky <schwidefsky@...>, <linux-s390@...>, <tony.luck@...>, <linux-ia64@...>, <linux-arch@...>, <linux-kernel@...>
Date: Friday, March 28, 2008 - 8:14 pm

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>
---
 arch/ia64/kernel/process.c     |    2 +-
 include/asm-ia64/thread_info.h |    5 ++---
 2 files changed, 3 insertions(+), 4 deletions(-)

diff --git a/arch/ia64/kernel/process.c b/arch/ia64/kernel/process.c
index 49937a3..2ef2794 100644
--- 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 93d83cb..366e517 100644
--- a/include/asm-ia64/thread_info.h
+++ b/include/asm-ia64/thread_info.h
@@ -87,7 +87,6 @@ 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
@@ -95,6 +94,7 @@ 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)
@@ -112,8 +112,7 @@ 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))
 
--
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Messages in current thread:
[PATCH 1/4] set_restore_sigmask, Roland McGrath, (Fri Mar 28, 8:12 pm)
[PATCH 4/4] ia64 renumber TIF_RESTORE_SIGMASK, Roland McGrath, (Fri Mar 28, 8:14 pm)
[PATCH 3/4] s390 renumber TIF_RESTORE_SIGMASK, Roland McGrath, (Fri Mar 28, 8:14 pm)
Re: [PATCH 3/4] s390 renumber TIF_RESTORE_SIGMASK, Martin Schwidefsky, (Mon Mar 31, 3:53 am)
[PATCH 2/4] set_restore_sigmask TIF_SIGPENDING, Roland McGrath, (Fri Mar 28, 8:13 pm)
Re: [PATCH 2/4] set_restore_sigmask TIF_SIGPENDING, Linus Torvalds, (Fri Mar 28, 8:53 pm)
Re: [PATCH 2/4] set_restore_sigmask TIF_SIGPENDING, Oleg Nesterov, (Tue Apr 8, 7:35 am)
Re: [PATCH 2/4] set_restore_sigmask TIF_SIGPENDING, David Woodhouse, (Wed Apr 9, 7:16 am)
Re: [PATCH 2/4] set_restore_sigmask TIF_SIGPENDING, Oleg Nesterov, (Wed Apr 9, 7:39 am)
Re: [PATCH 2/4] set_restore_sigmask TIF_SIGPENDING, David Woodhouse, (Wed Apr 9, 12:14 pm)
Re: [PATCH 2/4] set_restore_sigmask TIF_SIGPENDING, Oleg Nesterov, (Wed Apr 9, 12:22 pm)
Re: [PATCH 2/4] set_restore_sigmask TIF_SIGPENDING, David Woodhouse, (Wed Apr 9, 2:40 pm)
Re: [PATCH 2/4] set_restore_sigmask TIF_SIGPENDING, Petr Tesarik, (Wed Apr 9, 8:57 am)
Re: [PATCH 2/4] set_restore_sigmask TIF_SIGPENDING, Roland McGrath, (Tue Apr 8, 3:51 pm)
Re: [PATCH 2/4] set_restore_sigmask TIF_SIGPENDING, Linus Torvalds, (Tue Apr 8, 10:53 am)
Re: [PATCH 2/4] set_restore_sigmask TIF_SIGPENDING, Paul Mackerras, (Sun Mar 30, 6:53 am)
Re: [PATCH 2/4] set_restore_sigmask TIF_SIGPENDING, Roland McGrath, (Fri Mar 28, 10:24 pm)
[PATCH 1/2] HAVE_SET_RESTORE_SIGMASK, Roland McGrath, (Fri Mar 28, 11:14 pm)
[PATCH 2/2] x86 TS_RESTORE_SIGMASK, Roland McGrath, (Fri Mar 28, 11:14 pm)
Re: [PATCH 2/2] x86 TS_RESTORE_SIGMASK, Ingo Molnar, (Mon Mar 31, 9:01 am)
Re: [PATCH 2/2] x86 TS_RESTORE_SIGMASK, Roland McGrath, (Mon Mar 31, 3:30 pm)
[PATCH 1/2] HAVE_SET_RESTORE_SIGMASK, Roland McGrath, (Fri Mar 28, 11:11 pm)
Re: [PATCH 1/2] HAVE_SET_RESTORE_SIGMASK, David Woodhouse, (Wed Apr 9, 7:45 am)
Re: [PATCH 1/2] HAVE_SET_RESTORE_SIGMASK, Russell King, (Thu Apr 10, 4:32 pm)
Re: [PATCH 1/2] HAVE_SET_RESTORE_SIGMASK, David Woodhouse, (Fri Apr 11, 9:40 am)
Re: [PATCH 2/4] set_restore_sigmask TIF_SIGPENDING, Linus Torvalds, (Fri Mar 28, 10:52 pm)
Re: [PATCH 2/4] set_restore_sigmask TIF_SIGPENDING, Roland McGrath, (Fri Mar 28, 11:12 pm)
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