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authorArjan van de Ven <arjan@linux.intel.com>2007-02-12 00:55:31 -0800
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-02-12 09:48:44 -0800
commit5dfe4c964a0dd7bb3a1d64a4166835a153146207 (patch)
tree2fb2fd8c09922be4f40a5a9ac50b537b1d780e27 /arch/sh
parent540473208f8ac71c25a87e1a2670c3c18dd4d6db (diff)
downloadlinux-2.6.34-ux500-5dfe4c964a0dd7bb3a1d64a4166835a153146207.tar.gz
[PATCH] mark struct file_operations const 2
Many struct file_operations in the kernel can be "const". Marking them const moves these to the .rodata section, which avoids false sharing with potential dirty data. In addition it'll catch accidental writes at compile time to these shared resources. [akpm@osdl.org: sparc64 fix] Signed-off-by: Arjan van de Ven <arjan@linux.intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/sh')
-rw-r--r--arch/sh/boards/landisk/landisk_pwb.c2
-rw-r--r--arch/sh/mm/cache-debugfs.c2
-rw-r--r--arch/sh/mm/pmb.c2
-rw-r--r--arch/sh/oprofile/op_model_sh7750.c2
4 files changed, 4 insertions, 4 deletions
diff --git a/arch/sh/boards/landisk/landisk_pwb.c b/arch/sh/boards/landisk/landisk_pwb.c
index e6252497816..47a63c6617e 100644
--- a/arch/sh/boards/landisk/landisk_pwb.c
+++ b/arch/sh/boards/landisk/landisk_pwb.c
@@ -150,7 +150,7 @@ static irqreturn_t sw_interrupt(int irq, void *dev_id)
return IRQ_HANDLED;
}
-static struct file_operations swdrv_fops = {
+static const struct file_operations swdrv_fops = {
.read = swdrv_read, /* read */
.write = swdrv_write, /* write */
.open = swdrv_open, /* open */
diff --git a/arch/sh/mm/cache-debugfs.c b/arch/sh/mm/cache-debugfs.c
index e0122bd33dd..909dcfa8c8c 100644
--- a/arch/sh/mm/cache-debugfs.c
+++ b/arch/sh/mm/cache-debugfs.c
@@ -114,7 +114,7 @@ static int cache_debugfs_open(struct inode *inode, struct file *file)
return single_open(file, cache_seq_show, inode->i_private);
}
-static struct file_operations cache_debugfs_fops = {
+static const struct file_operations cache_debugfs_fops = {
.owner = THIS_MODULE,
.open = cache_debugfs_open,
.read = seq_read,
diff --git a/arch/sh/mm/pmb.c b/arch/sh/mm/pmb.c
index b60ad83a763..d0d45e2e0ab 100644
--- a/arch/sh/mm/pmb.c
+++ b/arch/sh/mm/pmb.c
@@ -378,7 +378,7 @@ static int pmb_debugfs_open(struct inode *inode, struct file *file)
return single_open(file, pmb_seq_show, NULL);
}
-static struct file_operations pmb_debugfs_fops = {
+static const struct file_operations pmb_debugfs_fops = {
.owner = THIS_MODULE,
.open = pmb_debugfs_open,
.read = seq_read,
diff --git a/arch/sh/oprofile/op_model_sh7750.c b/arch/sh/oprofile/op_model_sh7750.c
index 60402eec4b4..0104e44bc76 100644
--- a/arch/sh/oprofile/op_model_sh7750.c
+++ b/arch/sh/oprofile/op_model_sh7750.c
@@ -187,7 +187,7 @@ static ssize_t sh7750_write_count(struct file *file, const char __user *buf,
return count;
}
-static struct file_operations count_fops = {
+static const struct file_operations count_fops = {
.read = sh7750_read_count,
.write = sh7750_write_count,
};