From 80e39311ff3d7d2267ea8d259aab8dc9d5a59d61 Mon Sep 17 00:00:00 2001 From: Jeff Dike Date: Mon, 4 Feb 2008 22:31:17 -0800 Subject: 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 Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- arch/um/drivers/net_kern.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) (limited to 'arch/um/drivers') diff --git a/arch/um/drivers/net_kern.c b/arch/um/drivers/net_kern.c index 3c6c44c..ca71577 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) { -- cgit v1.1