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Subject[PATCH 4/4] ia64 renumber TIF_RESTORE_SIGMASK
Date
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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