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authorArjan van de Ven <arjan@linux.intel.com>2007-02-12 03:55:31 -0500
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-02-12 12:48:44 -0500
commit5dfe4c964a0dd7bb3a1d64a4166835a153146207 (patch)
tree2fb2fd8c09922be4f40a5a9ac50b537b1d780e27 /arch/sh
parent540473208f8ac71c25a87e1a2670c3c18dd4d6db (diff)
[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 e62524978160..47a63c6617ed 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)
150 return IRQ_HANDLED; 150 return IRQ_HANDLED;
151} 151}
152 152
153static struct file_operations swdrv_fops = { 153static const struct file_operations swdrv_fops = {
154 .read = swdrv_read, /* read */ 154 .read = swdrv_read, /* read */
155 .write = swdrv_write, /* write */ 155 .write = swdrv_write, /* write */
156 .open = swdrv_open, /* open */ 156 .open = swdrv_open, /* open */
diff --git a/arch/sh/mm/cache-debugfs.c b/arch/sh/mm/cache-debugfs.c
index e0122bd33ddb..909dcfa8c8c6 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)
114 return single_open(file, cache_seq_show, inode->i_private); 114 return single_open(file, cache_seq_show, inode->i_private);
115} 115}
116 116
117static struct file_operations cache_debugfs_fops = { 117static const struct file_operations cache_debugfs_fops = {
118 .owner = THIS_MODULE, 118 .owner = THIS_MODULE,
119 .open = cache_debugfs_open, 119 .open = cache_debugfs_open,
120 .read = seq_read, 120 .read = seq_read,
diff --git a/arch/sh/mm/pmb.c b/arch/sh/mm/pmb.c
index b60ad83a7635..d0d45e2e0ab3 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)
378 return single_open(file, pmb_seq_show, NULL); 378 return single_open(file, pmb_seq_show, NULL);
379} 379}
380 380
381static struct file_operations pmb_debugfs_fops = { 381static const struct file_operations pmb_debugfs_fops = {
382 .owner = THIS_MODULE, 382 .owner = THIS_MODULE,
383 .open = pmb_debugfs_open, 383 .open = pmb_debugfs_open,
384 .read = seq_read, 384 .read = seq_read,
diff --git a/arch/sh/oprofile/op_model_sh7750.c b/arch/sh/oprofile/op_model_sh7750.c
index 60402eec4b4d..0104e44bc76a 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,
187 return count; 187 return count;
188} 188}
189 189
190static struct file_operations count_fops = { 190static const struct file_operations count_fops = {
191 .read = sh7750_read_count, 191 .read = sh7750_read_count,
192 .write = sh7750_write_count, 192 .write = sh7750_write_count,
193}; 193};