Merge commit 'v2.6.32-rc8'

9 files changed, 21 insertions, 17 deletions

diff --git a/arch/sparc/boot/btfixupprep.c b/arch/sparc/boot/btfixupprep.c
index 52a4208fe4f0..bbf91b9c3d39 100644
--- a/arch/sparc/boot/btfixupprep.c
+++ b/arch/sparc/boot/btfixupprep.c
@@ -61,14 +61,14 @@ unsigned long lastfoffset = -1;
 unsigned long lastfrelno;
 btfixup *lastf;
 
-void fatal(void) __attribute__((noreturn));
-void fatal(void)
+static void fatal(void) __attribute__((noreturn));
+static void fatal(void)
 {
 	fprintf(stderr, "Malformed output from objdump\n%s\n", buffer);
 	exit(1);
 }
 
-btfixup *find(int type, char *name)
+static btfixup *find(int type, char *name)
 {
 	int i;
 	for (i = 0; i < last; i++) {
@@ -88,7 +88,7 @@ btfixup *find(int type, char *name)
 	return array + last - 1;
 }
 
-void set_mode (char *buffer)
+static void set_mode (char *buffer)
 {
   	for (mode = 0;; mode++)
 		if (buffer[mode] < '0' || buffer[mode] > '9')
diff --git a/arch/sparc/boot/piggyback_32.c b/arch/sparc/boot/piggyback_32.c
index e8dc9adfcd61..ac944aec7301 100644
--- a/arch/sparc/boot/piggyback_32.c
+++ b/arch/sparc/boot/piggyback_32.c
@@ -35,17 +35,17 @@
  * as PROM looks for a.out image only.
  */
 
-unsigned short ld2(char *p)
+static unsigned short ld2(char *p)
 {
 	return (p[0] << 8) | p[1];
 }
 
-unsigned int ld4(char *p)
+static unsigned int ld4(char *p)
 {
 	return (p[0] << 24) | (p[1] << 16) | (p[2] << 8) | p[3];
 }
 
-void st4(char *p, unsigned int x)
+static void st4(char *p, unsigned int x)
 {
 	p[0] = x >> 24;
 	p[1] = x >> 16;
@@ -53,7 +53,7 @@ void st4(char *p, unsigned int x)
 	p[3] = x;
 }
 
-void usage(void)
+static void usage(void)
 {
 	/* fs_img.gz is an image of initial ramdisk. */
 	fprintf(stderr, "Usage: piggyback vmlinux.aout System.map fs_img.gz\n");
@@ -61,7 +61,7 @@ void usage(void)
 	exit(1);
 }
 
-void die(char *str)
+static void die(char *str)
 {
 	perror (str);
 	exit(1);
diff --git a/arch/sparc/boot/piggyback_64.c b/arch/sparc/boot/piggyback_64.c
index c63fd1b6bdd4..a26a686cb5aa 100644
--- a/arch/sparc/boot/piggyback_64.c
+++ b/arch/sparc/boot/piggyback_64.c
@@ -32,7 +32,7 @@
 /* Note: run this on an a.out kernel (use elftoaout for it), as PROM looks for a.out image onlly
    usage: piggyback vmlinux System.map tail, where tail is gzipped fs of the initial ramdisk */
 
-void die(char *str)
+static void die(char *str)
 {
 	perror (str);
 	exit(1);
diff --git a/arch/sparc/include/asm/system_64.h b/arch/sparc/include/asm/system_64.h
index 25e848f0cad7..d47a98e66972 100644
--- a/arch/sparc/include/asm/system_64.h
+++ b/arch/sparc/include/asm/system_64.h
@@ -63,6 +63,10 @@ do {	__asm__ __volatile__("ba,pt	%%xcc, 1f\n\t" \
 			     : : : "memory"); \
 } while (0)
 
+/* The kernel always executes in TSO memory model these days,
+ * and furthermore most sparc64 chips implement more stringent
+ * memory ordering than required by the specifications.
+ */
 #define mb()	membar_safe("#StoreLoad")
 #define rmb()	__asm__ __volatile__("":::"memory")
 #define wmb()	__asm__ __volatile__("":::"memory")
diff --git a/arch/sparc/kernel/ldc.c b/arch/sparc/kernel/ldc.c
index adf5f273868a..cb3c72c45aab 100644
--- a/arch/sparc/kernel/ldc.c
+++ b/arch/sparc/kernel/ldc.c
@@ -1242,13 +1242,13 @@ int ldc_bind(struct ldc_channel *lp, const char *name)
 	snprintf(lp->tx_irq_name, LDC_IRQ_NAME_MAX, "%s TX", name);
 
 	err = request_irq(lp->cfg.rx_irq, ldc_rx,
-			  IRQF_SAMPLE_RANDOM | IRQF_SHARED,
+			  IRQF_SAMPLE_RANDOM | IRQF_DISABLED | IRQF_SHARED,
 			  lp->rx_irq_name, lp);
 	if (err)
 		return err;
 
 	err = request_irq(lp->cfg.tx_irq, ldc_tx,
-			  IRQF_SAMPLE_RANDOM | IRQF_SHARED,
+			  IRQF_SAMPLE_RANDOM | IRQF_DISABLED | IRQF_SHARED,
 			  lp->tx_irq_name, lp);
 	if (err) {
 		free_irq(lp->cfg.rx_irq, lp);
diff --git a/arch/sparc/kernel/perf_event.c b/arch/sparc/kernel/perf_event.c
index 04db92743896..fa5936e1c3b9 100644
--- a/arch/sparc/kernel/perf_event.c
+++ b/arch/sparc/kernel/perf_event.c
@@ -437,7 +437,7 @@ static const struct sparc_pmu niagara2_pmu = {
 	.lower_shift	= 6,
 	.event_mask	= 0xfff,
 	.hv_bit		= 0x8,
-	.irq_bit	= 0x03,
+	.irq_bit	= 0x30,
 	.upper_nop	= 0x220,
 	.lower_nop	= 0x220,
 };
diff --git a/arch/sparc/kernel/prom_common.c b/arch/sparc/kernel/prom_common.c
index 138910c67206..d80a65d9e893 100644
--- a/arch/sparc/kernel/prom_common.c
+++ b/arch/sparc/kernel/prom_common.c
@@ -79,6 +79,7 @@ int of_set_property(struct device_node *dp, const char *name, void *val, int len
 
 	err = -ENODEV;
 
+	mutex_lock(&of_set_property_mutex);
 	write_lock(&devtree_lock);
 	prevp = &dp->properties;
 	while (*prevp) {
@@ -88,9 +89,7 @@ int of_set_property(struct device_node *dp, const char *name, void *val, int len
 			void *old_val = prop->value;
 			int ret;
 
-			mutex_lock(&of_set_property_mutex);
 			ret = prom_setprop(dp->node, name, val, len);
-			mutex_unlock(&of_set_property_mutex);
 
 			err = -EINVAL;
 			if (ret >= 0) {
@@ -109,6 +108,7 @@ int of_set_property(struct device_node *dp, const char *name, void *val, int len
 		prevp = &(*prevp)->next;
 	}
 	write_unlock(&devtree_lock);
+	mutex_unlock(&of_set_property_mutex);
 
 	/* XXX Upate procfs if necessary... */
 
diff --git a/arch/sparc/kernel/visemul.c b/arch/sparc/kernel/visemul.c
index b956fd71c131..d231cbd5c526 100644
--- a/arch/sparc/kernel/visemul.c
+++ b/arch/sparc/kernel/visemul.c
@@ -617,7 +617,7 @@ static void pmul(struct pt_regs *regs, unsigned int insn, unsigned int opf)
 		rs2 = fps_regval(f, RS2(insn));
 
 		rd_val = 0;
-		src2 = (rs2 >> (opf == FMUL8x16AU_OPF) ? 16 : 0);
+		src2 = rs2 >> (opf == FMUL8x16AU_OPF ? 16 : 0);
 		for (byte = 0; byte < 4; byte++) {
 			u16 src1 = (rs1 >> (byte * 8)) & 0x00ff;
 			u32 prod = src1 * src2;
diff --git a/arch/sparc/mm/init_64.c b/arch/sparc/mm/init_64.c
index a70a5e1904d9..1886d37d411b 100644
--- a/arch/sparc/mm/init_64.c
+++ b/arch/sparc/mm/init_64.c
@@ -265,7 +265,7 @@ static void flush_dcache(unsigned long pfn)
 	struct page *page;
 
 	page = pfn_to_page(pfn);
-	if (page && page_mapping(page)) {
+	if (page) {
 		unsigned long pg_flags;
 
 		pg_flags = page->flags;