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authorJens Axboe <jens.axboe@oracle.com>2009-12-03 13:49:39 +0100
committerJens Axboe <jens.axboe@oracle.com>2009-12-03 13:49:39 +0100
commit220d0b1dbf78c6417a658c96e571415552d3abac (patch)
tree70cd3862540c38ea490e7a27c3c7acc35b680234 /arch/sparc
parentcfq-iosched: no dispatch limit for single queue (diff)
parentLinux 2.6.32 (diff)
downloadlinux-220d0b1dbf78c6417a658c96e571415552d3abac.tar.xz
linux-220d0b1dbf78c6417a658c96e571415552d3abac.zip
Merge branch 'master' into for-2.6.33
Diffstat (limited to 'arch/sparc')
-rw-r--r--arch/sparc/boot/btfixupprep.c8
-rw-r--r--arch/sparc/boot/piggyback_32.c10
-rw-r--r--arch/sparc/boot/piggyback_64.c2
-rw-r--r--arch/sparc/include/asm/system_64.h4
-rw-r--r--arch/sparc/kernel/prom_common.c4
-rw-r--r--arch/sparc/kernel/visemul.c2
-rw-r--r--arch/sparc/mm/init_64.h2
7 files changed, 18 insertions, 14 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/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.h b/arch/sparc/mm/init_64.h
index c2f772dbd556..77d1b313e344 100644
--- a/arch/sparc/mm/init_64.h
+++ b/arch/sparc/mm/init_64.h
@@ -45,7 +45,7 @@ extern void free_initmem(void);
#define VMEMMAP_ALIGN(x) (((x)+VMEMMAP_CHUNK-1UL)&VMEMMAP_CHUNK_MASK)
#define VMEMMAP_SIZE ((((1UL << MAX_PHYSADDR_BITS) >> PAGE_SHIFT) * \
- sizeof(struct page *)) >> VMEMMAP_CHUNK_SHIFT)
+ sizeof(struct page)) >> VMEMMAP_CHUNK_SHIFT)
extern unsigned long vmemmap_table[VMEMMAP_SIZE];
#endif