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authorArjan van de Ven <arjan@linux.intel.com>2007-02-12 00:55:34 -0800
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-02-12 09:48:45 -0800
commitd54b1fdb1d9f82e375a299e22bd366aad52d4c34 (patch)
treef94768d59702dbbc0beb9a70d9be65dbc5e5108d /drivers/pci
parentfa027c2a0a0d6d1df6b29ee99048502c93da0dd4 (diff)
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[PATCH] mark struct file_operations const 5
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. 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 'drivers/pci')
-rw-r--r--drivers/pci/hotplug/cpqphp_sysfs.c2
-rw-r--r--drivers/pci/proc.c4
2 files changed, 3 insertions, 3 deletions
diff --git a/drivers/pci/hotplug/cpqphp_sysfs.c b/drivers/pci/hotplug/cpqphp_sysfs.c
index 634f74d..a13abf5 100644
--- a/drivers/pci/hotplug/cpqphp_sysfs.c
+++ b/drivers/pci/hotplug/cpqphp_sysfs.c
@@ -202,7 +202,7 @@ static int release(struct inode *inode, struct file *file)
return 0;
}
-static struct file_operations debug_ops = {
+static const struct file_operations debug_ops = {
.owner = THIS_MODULE,
.open = open,
.llseek = lseek,
diff --git a/drivers/pci/proc.c b/drivers/pci/proc.c
index 4a6760a..ed87aa5 100644
--- a/drivers/pci/proc.c
+++ b/drivers/pci/proc.c
@@ -287,7 +287,7 @@ static int proc_bus_pci_release(struct inode *inode, struct file *file)
}
#endif /* HAVE_PCI_MMAP */
-static struct file_operations proc_bus_pci_operations = {
+static const struct file_operations proc_bus_pci_operations = {
.llseek = proc_bus_pci_lseek,
.read = proc_bus_pci_read,
.write = proc_bus_pci_write,
@@ -456,7 +456,7 @@ static int proc_bus_pci_dev_open(struct inode *inode, struct file *file)
{
return seq_open(file, &proc_bus_pci_devices_op);
}
-static struct file_operations proc_bus_pci_dev_operations = {
+static const struct file_operations proc_bus_pci_dev_operations = {
.open = proc_bus_pci_dev_open,
.read = seq_read,
.llseek = seq_lseek,