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uml: SMP locking commentary

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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>
This commit is contained in:
Jeff Dike
2008-02-04 22:31:17 -08:00
committed by Linus Torvalds
parent 3a24ebf0cb
commit 80e39311ff
4 changed files with 17 additions and 10 deletions
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7
arch/um/drivers/net_kern.c
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@@ -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)
{