lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
Open Source and information security mailing list archives
| ||
|
Date: Fri, 18 Mar 2011 12:02:47 +0800 From: Lai Jiangshan <laijs@...fujitsu.com> To: "Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>, Ingo Molnar <mingo@...e.hu>, "David S. Miller" <davem@...emloft.net>, Eric Dumazet <eric.dumazet@...il.com>, Tom Herbert <therbert@...gle.com>, "Eric W. Biederman" <ebiederm@...ssion.com>, Greg Kroah-Hartman <gregkh@...e.de>, netdev@...r.kernel.org, linux-kernel@...r.kernel.org Subject: [PATCH 18/36] net,rcu: convert call_rcu(xps_dev_maps_release) to kfree_rcu() The rcu callback xps_dev_maps_release() just calls a kfree(), so we use kfree_rcu() instead of the call_rcu(xps_dev_maps_release). Signed-off-by: Lai Jiangshan <laijs@...fujitsu.com> --- net/core/net-sysfs.c | 12 ++---------- 1 files changed, 2 insertions(+), 10 deletions(-) diff --git a/net/core/net-sysfs.c b/net/core/net-sysfs.c index 9ae2e1d..06332e5 100644 --- a/net/core/net-sysfs.c +++ b/net/core/net-sysfs.c @@ -876,14 +876,6 @@ static ssize_t show_xps_map(struct netdev_queue *queue, return len; } -static void xps_dev_maps_release(struct rcu_head *rcu) -{ - struct xps_dev_maps *dev_maps = - container_of(rcu, struct xps_dev_maps, rcu); - - kfree(dev_maps); -} - static DEFINE_MUTEX(xps_map_mutex); #define xmap_dereference(P) \ rcu_dereference_protected((P), lockdep_is_held(&xps_map_mutex)) @@ -993,7 +985,7 @@ static ssize_t store_xps_map(struct netdev_queue *queue, } if (dev_maps) - call_rcu(&dev_maps->rcu, xps_dev_maps_release); + kfree_rcu(dev_maps, rcu); netdev_queue_numa_node_write(queue, (numa_node >= 0) ? numa_node : NUMA_NO_NODE); @@ -1065,7 +1057,7 @@ static void netdev_queue_release(struct kobject *kobj) if (!nonempty) { RCU_INIT_POINTER(dev->xps_maps, NULL); - call_rcu(&dev_maps->rcu, xps_dev_maps_release); + kfree_rcu(dev_maps, rcu); } } -- 1.7.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Powered by blists - more mailing lists