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;