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authorYinghai Lu <yinghai@kernel.org>2011-05-12 17:11:40 -0700
committerJesse Barnes <jbarnes@virtuousgeek.org>2011-05-21 12:17:13 -0700
commitdc2c2c9dd513dec6c17df04e8abff795e20a5271 (patch)
tree096e73fc6775edbe389c687df08f96bd85788d02 /drivers/pci/probe.c
parentb9d320fcb6259baffaeaf93a5fce252cd09333d6 (diff)
downloadop-kernel-dev-dc2c2c9dd513dec6c17df04e8abff795e20a5271.zip
op-kernel-dev-dc2c2c9dd513dec6c17df04e8abff795e20a5271.tar.gz
PCI/sysfs: move bus cpuaffinity to class dev_attrs
Requested by Greg KH to fix a race condition in the creating of PCI bus cpuaffinity files. Acked-by: Greg Kroah-Hartman <gregkh@suse.de> Signed-off-by: Yinghai Lu <yinghai@kernel.org> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Diffstat (limited to 'drivers/pci/probe.c')
-rw-r--r--drivers/pci/probe.c42
1 files changed, 0 insertions, 42 deletions
diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
index c471295..48849ff 100644
--- a/drivers/pci/probe.c
+++ b/drivers/pci/probe.c
@@ -43,43 +43,6 @@ int no_pci_devices(void)
EXPORT_SYMBOL(no_pci_devices);
/*
- * PCI Bus Class Devices
- */
-static ssize_t pci_bus_show_cpuaffinity(struct device *dev,
- int type,
- struct device_attribute *attr,
- char *buf)
-{
- int ret;
- const struct cpumask *cpumask;
-
- cpumask = cpumask_of_pcibus(to_pci_bus(dev));
- ret = type?
- cpulist_scnprintf(buf, PAGE_SIZE-2, cpumask) :
- cpumask_scnprintf(buf, PAGE_SIZE-2, cpumask);
- buf[ret++] = '\n';
- buf[ret] = '\0';
- return ret;
-}
-
-static ssize_t inline pci_bus_show_cpumaskaffinity(struct device *dev,
- struct device_attribute *attr,
- char *buf)
-{
- return pci_bus_show_cpuaffinity(dev, 0, attr, buf);
-}
-
-static ssize_t inline pci_bus_show_cpulistaffinity(struct device *dev,
- struct device_attribute *attr,
- char *buf)
-{
- return pci_bus_show_cpuaffinity(dev, 1, attr, buf);
-}
-
-DEVICE_ATTR(cpuaffinity, S_IRUGO, pci_bus_show_cpumaskaffinity, NULL);
-DEVICE_ATTR(cpulistaffinity, S_IRUGO, pci_bus_show_cpulistaffinity, NULL);
-
-/*
* PCI Bus Class
*/
static void release_pcibus_dev(struct device *dev)
@@ -1456,9 +1419,6 @@ struct pci_bus * pci_create_bus(struct device *parent,
error = device_register(&b->dev);
if (error)
goto class_dev_reg_err;
- error = device_create_file(&b->dev, &dev_attr_cpuaffinity);
- if (error)
- goto dev_create_file_err;
/* Create legacy_io and legacy_mem files for this bus */
pci_create_legacy_files(b);
@@ -1469,8 +1429,6 @@ struct pci_bus * pci_create_bus(struct device *parent,
return b;
-dev_create_file_err:
- device_unregister(&b->dev);
class_dev_reg_err:
device_unregister(dev);
dev_reg_err:
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