powerpc/spufs: Constify context contents and coredump callback constants
The spufs context directory contents definitions are not changed after
initialisation, so we can declare them as const. We can do the same
with the spu coredump reader callbacks too.
Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
diff --git a/arch/powerpc/platforms/cell/spufs/file.c b/arch/powerpc/platforms/cell/spufs/file.c
index 0da7f2b..9e4f273 100644
--- a/arch/powerpc/platforms/cell/spufs/file.c
+++ b/arch/powerpc/platforms/cell/spufs/file.c
@@ -2665,7 +2665,7 @@
.release = single_release,
};
-struct spufs_tree_descr spufs_dir_contents[] = {
+const struct spufs_tree_descr spufs_dir_contents[] = {
{ "capabilities", &spufs_caps_fops, 0444, },
{ "mem", &spufs_mem_fops, 0666, LS_SIZE, },
{ "regs", &spufs_regs_fops, 0666, sizeof(struct spu_reg128[128]), },
@@ -2706,7 +2706,7 @@
{},
};
-struct spufs_tree_descr spufs_dir_nosched_contents[] = {
+const struct spufs_tree_descr spufs_dir_nosched_contents[] = {
{ "capabilities", &spufs_caps_fops, 0444, },
{ "mem", &spufs_mem_fops, 0666, LS_SIZE, },
{ "mbox", &spufs_mbox_fops, 0444, },
@@ -2731,12 +2731,12 @@
{},
};
-struct spufs_tree_descr spufs_dir_debug_contents[] = {
+const struct spufs_tree_descr spufs_dir_debug_contents[] = {
{ ".ctx", &spufs_ctx_fops, 0444, },
{},
};
-struct spufs_coredump_reader spufs_coredump_read[] = {
+const struct spufs_coredump_reader spufs_coredump_read[] = {
{ "regs", __spufs_regs_read, NULL, sizeof(struct spu_reg128[128])},
{ "fpcr", __spufs_fpcr_read, NULL, sizeof(struct spu_reg128) },
{ "lslr", NULL, spufs_lslr_get, 19 },
diff --git a/arch/powerpc/platforms/cell/spufs/inode.c b/arch/powerpc/platforms/cell/spufs/inode.c
index e309ef7..64f0685 100644
--- a/arch/powerpc/platforms/cell/spufs/inode.c
+++ b/arch/powerpc/platforms/cell/spufs/inode.c
@@ -186,8 +186,9 @@
return simple_rmdir(parent, dir);
}
-static int spufs_fill_dir(struct dentry *dir, struct spufs_tree_descr *files,
- int mode, struct spu_context *ctx)
+static int spufs_fill_dir(struct dentry *dir,
+ const struct spufs_tree_descr *files, int mode,
+ struct spu_context *ctx)
{
struct dentry *dentry, *tmp;
int ret;
diff --git a/arch/powerpc/platforms/cell/spufs/spufs.h b/arch/powerpc/platforms/cell/spufs/spufs.h
index 3bf908e..ae31573 100644
--- a/arch/powerpc/platforms/cell/spufs/spufs.h
+++ b/arch/powerpc/platforms/cell/spufs/spufs.h
@@ -241,9 +241,9 @@
size_t size;
};
-extern struct spufs_tree_descr spufs_dir_contents[];
-extern struct spufs_tree_descr spufs_dir_nosched_contents[];
-extern struct spufs_tree_descr spufs_dir_debug_contents[];
+extern const struct spufs_tree_descr spufs_dir_contents[];
+extern const struct spufs_tree_descr spufs_dir_nosched_contents[];
+extern const struct spufs_tree_descr spufs_dir_debug_contents[];
/* system call implementation */
extern struct spufs_calls spufs_calls;
@@ -358,7 +358,7 @@
u64 (*get)(struct spu_context *ctx);
size_t size;
};
-extern struct spufs_coredump_reader spufs_coredump_read[];
+extern const struct spufs_coredump_reader spufs_coredump_read[];
extern int spufs_coredump_num_notes;
extern int spu_init_csa(struct spu_state *csa);