From ec4e63f04c9e2da4f9112c80fd5ea3f63de709b4 Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Wed, 30 Jul 2008 13:11:26 +0900
Subject: [PATCH] --- yaml --- r: 107595 b: refs/heads/master c:
 cec3fd3e2a7cacf37e2bd6d9fa915337245cc563 h: refs/heads/master i:   107593:
 d881129da3aee0528f2869c12fdaa6f5b783e664   107591:
 ad64a251149b3e0c5f95065c47ef534f1c0150fe v: v3

---
 [refs]                                  |  2 +-
 trunk/arch/sh/include/asm/thread_info.h | 40 +++++++++++++++++--------
 trunk/arch/sh/kernel/cpu/sh5/entry.S    |  2 +-
 trunk/arch/sh/kernel/entry-common.S     |  4 +--
 4 files changed, 32 insertions(+), 16 deletions(-)

diff --git a/[refs] b/[refs]
index d2cab69f9cdf..29676bb91dda 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: daf423db3b6afd90ecdd776dbc32c0b57cc78edb
+refs/heads/master: cec3fd3e2a7cacf37e2bd6d9fa915337245cc563
diff --git a/trunk/arch/sh/include/asm/thread_info.h b/trunk/arch/sh/include/asm/thread_info.h
index eeb4c747119e..c05b1afd1324 100644
--- a/trunk/arch/sh/include/asm/thread_info.h
+++ b/trunk/arch/sh/include/asm/thread_info.h
@@ -123,18 +123,34 @@ static inline struct thread_info *current_thread_info(void)
 #define TIF_MEMDIE		18
 #define TIF_FREEZE		19
 
-#define _TIF_SYSCALL_TRACE	(1<<TIF_SYSCALL_TRACE)
-#define _TIF_SIGPENDING		(1<<TIF_SIGPENDING)
-#define _TIF_NEED_RESCHED	(1<<TIF_NEED_RESCHED)
-#define _TIF_RESTORE_SIGMASK	(1<<TIF_RESTORE_SIGMASK)
-#define _TIF_SINGLESTEP		(1<<TIF_SINGLESTEP)
-#define _TIF_SYSCALL_AUDIT		(1<<TIF_SYSCALL_AUDIT)
-#define _TIF_USEDFPU		(1<<TIF_USEDFPU)
-#define _TIF_POLLING_NRFLAG	(1<<TIF_POLLING_NRFLAG)
-#define _TIF_FREEZE		(1<<TIF_FREEZE)
-
-#define _TIF_WORK_MASK		0x000000FE	/* work to do on interrupt/exception return */
-#define _TIF_ALLWORK_MASK	0x000000FF	/* work to do on any return to u-space */
+#define _TIF_SYSCALL_TRACE	(1 << TIF_SYSCALL_TRACE)
+#define _TIF_SIGPENDING		(1 << TIF_SIGPENDING)
+#define _TIF_NEED_RESCHED	(1 << TIF_NEED_RESCHED)
+#define _TIF_RESTORE_SIGMASK	(1 << TIF_RESTORE_SIGMASK)
+#define _TIF_SINGLESTEP		(1 << TIF_SINGLESTEP)
+#define _TIF_SYSCALL_AUDIT	(1 << TIF_SYSCALL_AUDIT)
+#define _TIF_USEDFPU		(1 << TIF_USEDFPU)
+#define _TIF_POLLING_NRFLAG	(1 << TIF_POLLING_NRFLAG)
+#define _TIF_FREEZE		(1 << TIF_FREEZE)
+
+/*
+ * _TIF_ALLWORK_MASK and _TIF_WORK_MASK need to fit within a byte, or we
+ * blow the tst immediate size constraints and need to fix up
+ * arch/sh/kernel/entry-common.S.
+ */
+
+/* work to do in syscall trace */
+#define _TIF_WORK_SYSCALL_MASK	(_TIF_SYSCALL_TRACE | _TIF_SINGLESTEP | \
+				 _TIF_SYSCALL_AUDIT)
+
+/* work to do on any return to u-space */
+#define _TIF_ALLWORK_MASK	(_TIF_SYSCALL_TRACE | _TIF_SIGPENDING    | \
+				 _TIF_NEED_RESCHED  | _TIF_SYSCALL_AUDIT | \
+				 _TIF_SINGLESTEP    | _TIF_RESTORE_SIGMASK)
+
+/* work to do on interrupt/exception return */
+#define _TIF_WORK_MASK		(_TIF_ALLWORK_MASK & ~(_TIF_SYSCALL_TRACE | \
+				 _TIF_SYSCALL_AUDIT | _TIF_SINGLESTEP))
 
 #endif /* __KERNEL__ */
 
diff --git a/trunk/arch/sh/kernel/cpu/sh5/entry.S b/trunk/arch/sh/kernel/cpu/sh5/entry.S
index ca08e7f26a3a..bba331d5ef74 100644
--- a/trunk/arch/sh/kernel/cpu/sh5/entry.S
+++ b/trunk/arch/sh/kernel/cpu/sh5/entry.S
@@ -1300,7 +1300,7 @@ syscall_allowed:
 
 	getcon	KCR0, r2
 	ld.l	r2, TI_FLAGS, r4
-	movi	(_TIF_SYSCALL_TRACE | _TIF_SINGLESTEP | _TIF_SYSCALL_AUDIT), r6
+	movi	_TIF_WORK_SYSCALL_MASK, r6
 	and	r6, r4, r6
 	beq/l	r6, ZERO, tr0
 
diff --git a/trunk/arch/sh/kernel/entry-common.S b/trunk/arch/sh/kernel/entry-common.S
index 5e0dd1933847..a34417c8ee0a 100644
--- a/trunk/arch/sh/kernel/entry-common.S
+++ b/trunk/arch/sh/kernel/entry-common.S
@@ -202,7 +202,7 @@ work_resched:
 syscall_exit_work:
 	! r0: current_thread_info->flags
 	! r8: current_thread_info
-	tst	#_TIF_SYSCALL_TRACE | _TIF_SINGLESTEP | _TIF_SYSCALL_AUDIT, r0
+	tst	#_TIF_WORK_SYSCALL_MASK, r0
 	bt/s	work_pending
 	 tst	#_TIF_NEED_RESCHED, r0
 #ifdef CONFIG_TRACE_IRQFLAGS
@@ -351,7 +351,7 @@ ENTRY(system_call)
 	!
 	get_current_thread_info r8, r10
 	mov.l	@(TI_FLAGS,r8), r8
-	mov	#(_TIF_SYSCALL_TRACE | _TIF_SYSCALL_AUDIT), r10
+	mov	#_TIF_WORK_SYSCALL_MASK, r10
 	tst	r10, r8
 	bf	syscall_trace_entry
 	!