Messages in this thread Patch in this message | | | From | Christophe JAILLET <> | Subject | [PATCH] net-sysfs: Slightly optimize 'xps_queue_show()' | Date | Sun, 21 Nov 2021 19:01:03 +0100 |
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The 'mask' bitmap is local to this function. So the non-atomic '__set_bit()' can be used to save a few cycles.
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr> --- net/core/net-sysfs.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/net/core/net-sysfs.c b/net/core/net-sysfs.c index 9c01c642cf9e..3be3f4a6add3 100644 --- a/net/core/net-sysfs.c +++ b/net/core/net-sysfs.c @@ -1452,7 +1452,7 @@ static ssize_t xps_queue_show(struct net_device *dev, unsigned int index, for (i = map->len; i--;) { if (map->queues[i] == index) { - set_bit(j, mask); + __set_bit(j, mask); break; } } -- 2.30.2
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