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authorJeff Dike <jdike@addtoit.com>2008-02-04 22:31:17 -0800
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2008-02-05 09:44:30 -0800
commit80e39311ff3d7d2267ea8d259aab8dc9d5a59d61 (patch)
tree141c6adb305a57cc8284580d88a839343f57ee90 /arch/um/drivers/net_kern.c
parent3a24ebf0cb2ca44fdcdb5cae9ed2e778e5170f97 (diff)
uml: SMP locking commentary
Add some more commentary about various pieces of global data not needing locking. Also got rid of unmap_physmem since that is no longer used. Signed-off-by: Jeff Dike <jdike@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/um/drivers/net_kern.c')
-rw-r--r--arch/um/drivers/net_kern.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/arch/um/drivers/net_kern.c b/arch/um/drivers/net_kern.c
index 3c6c44ca1ffa..ca71577f3630 100644
--- a/arch/um/drivers/net_kern.c
+++ b/arch/um/drivers/net_kern.c
@@ -368,7 +368,6 @@ static struct platform_driver uml_net_driver = {
.name = DRIVER_NAME,
},
};
-static int driver_registered;
static void net_device_release(struct device *dev)
{
@@ -383,6 +382,12 @@ static void net_device_release(struct device *dev)
free_netdev(netdev);
}
+/*
+ * Ensures that platform_driver_register is called only once by
+ * eth_configure. Will be set in an initcall.
+ */
+static int driver_registered;
+
static void eth_configure(int n, void *init, char *mac,
struct transport *transport)
{