[PATCH] USB: mark various usb tables const
patch below marks various USB tables and variables as const so that they
end up in .rodata section and don't cacheline share with things that get
written to. For the non-array variables it also allows gcc to optimize
more.
Signed-off-by: Arjan van de Ven <arjan@infradead.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/usb/storage/usb.c b/drivers/usb/storage/usb.c
index 484ed29..356f471 100644
--- a/drivers/usb/storage/usb.c
+++ b/drivers/usb/storage/usb.c
@@ -470,7 +470,7 @@
* from the unusual_devs.h table.
*/
if (id->idVendor || id->idProduct) {
- static char *msgs[3] = {
+ static const char *msgs[3] = {
"an unneeded SubClass entry",
"an unneeded Protocol entry",
"unneeded SubClass and Protocol entries"};