From bd5dd2114c696ff1ed7d812d680f80ce95ba47a8 Mon Sep 17 00:00:00 2001
From: Olof Johansson <olof@lixom.net>
Date: Mon, 4 Jun 2007 10:49:05 +1000
Subject: [PATCH] --- yaml --- r: 57357 b: refs/heads/master c:
 6291ed3c04d5c83c26e77d4fa47e06d0416be81d h: refs/heads/master i:   57355:
 b13048cd7fc7a8c627717759568e25863b245f03 v: v3

---
 [refs]                                      |  2 +-
 trunk/arch/powerpc/platforms/pasemi/iommu.c |  8 --------
 trunk/kernel/signal.c                       | 16 ++++------------
 trunk/scripts/checkpatch.pl                 |  0
 4 files changed, 5 insertions(+), 21 deletions(-)
 mode change 100755 => 100644 trunk/scripts/checkpatch.pl

diff --git a/[refs] b/[refs]
index 7352cc882429..e43660e3aba7 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: b74d0deb968e1f85942f17080eace015ce3c332c
+refs/heads/master: 6291ed3c04d5c83c26e77d4fa47e06d0416be81d
diff --git a/trunk/arch/powerpc/platforms/pasemi/iommu.c b/trunk/arch/powerpc/platforms/pasemi/iommu.c
index 95fa6a7d15ee..f33b21b9f5d4 100644
--- a/trunk/arch/powerpc/platforms/pasemi/iommu.c
+++ b/trunk/arch/powerpc/platforms/pasemi/iommu.c
@@ -31,8 +31,6 @@
 #define IOBMAP_PAGE_SIZE	(1 << IOBMAP_PAGE_SHIFT)
 #define IOBMAP_PAGE_MASK	(IOBMAP_PAGE_SIZE - 1)
 
-#define IOBMAP_PAGE_FACTOR	(PAGE_SHIFT - IOBMAP_PAGE_SHIFT)
-
 #define IOB_BASE		0xe0000000
 #define IOB_SIZE		0x3000
 /* Configuration registers */
@@ -97,9 +95,6 @@ static void iobmap_build(struct iommu_table *tbl, long index,
 
 	bus_addr = (tbl->it_offset + index) << PAGE_SHIFT;
 
-	npages <<= IOBMAP_PAGE_FACTOR;
-	index <<= IOBMAP_PAGE_FACTOR;
-
 	ip = ((u32 *)tbl->it_base) + index;
 
 	while (npages--) {
@@ -125,9 +120,6 @@ static void iobmap_free(struct iommu_table *tbl, long index,
 
 	bus_addr = (tbl->it_offset + index) << PAGE_SHIFT;
 
-	npages <<= IOBMAP_PAGE_FACTOR;
-	index <<= IOBMAP_PAGE_FACTOR;
-
 	ip = ((u32 *)tbl->it_base) + index;
 
 	while (npages--) {
diff --git a/trunk/kernel/signal.c b/trunk/kernel/signal.c
index fe590e00db8d..acdfc0549c6f 100644
--- a/trunk/kernel/signal.c
+++ b/trunk/kernel/signal.c
@@ -105,11 +105,7 @@ static int recalc_sigpending_tsk(struct task_struct *t)
 		set_tsk_thread_flag(t, TIF_SIGPENDING);
 		return 1;
 	}
-	/*
-	 * We must never clear the flag in another thread, or in current
-	 * when it's possible the current syscall is returning -ERESTART*.
-	 * So we don't clear it here, and only callers who know they should do.
-	 */
+	clear_tsk_thread_flag(t, TIF_SIGPENDING);
 	return 0;
 }
 
@@ -125,9 +121,7 @@ void recalc_sigpending_and_wake(struct task_struct *t)
 
 void recalc_sigpending(void)
 {
-	if (!recalc_sigpending_tsk(current))
-		clear_thread_flag(TIF_SIGPENDING);
-
+	recalc_sigpending_tsk(current);
 }
 
 /* Given the mask, find the first available signal that should be serviced. */
@@ -391,8 +385,7 @@ int dequeue_signal(struct task_struct *tsk, sigset_t *mask, siginfo_t *info)
 			}
 		}
 	}
-	if (likely(tsk == current))
-		recalc_sigpending();
+	recalc_sigpending_tsk(tsk);
 	if (signr && unlikely(sig_kernel_stop(signr))) {
 		/*
 		 * Set a marker that we have dequeued a stop signal.  Our
@@ -1587,9 +1580,8 @@ static void ptrace_stop(int exit_code, int nostop_code, siginfo_t *info)
 	/*
 	 * Queued signals ignored us while we were stopped for tracing.
 	 * So check for any that we should take before resuming user mode.
-	 * This sets TIF_SIGPENDING, but never clears it.
 	 */
-	recalc_sigpending_tsk(current);
+	recalc_sigpending();
 }
 
 void ptrace_notify(int exit_code)
diff --git a/trunk/scripts/checkpatch.pl b/trunk/scripts/checkpatch.pl
old mode 100755
new mode 100644