From: Jakub Kicinski Date: Thu, 2 May 2024 01:37:17 +0000 (-0700) Subject: Merge branch 'arp-random-clean-up-and-rcu-conversion-for-ioctl-siocgarp' X-Git-Tag: v6.10-rc1~153^2~107 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=5165c48ef1afbb3e0126b36be84ffaa6f05cb6f0;p=thirdparty%2Fkernel%2Flinux.git Merge branch 'arp-random-clean-up-and-rcu-conversion-for-ioctl-siocgarp' Kuniyuki Iwashima says: ==================== arp: Random clean up and RCU conversion for ioctl(SIOCGARP). arp_ioctl() holds rtnl_lock() regardless of cmd (SIOCDARP, SIOCSARP, and SIOCGARP) to get net_device by __dev_get_by_name() and copy dev->name safely. In the SIOCGARP path, arp_req_get() calls neigh_lookup(), which looks up a neighbour entry under RCU. This series cleans up ioctl() code a bit and extends the RCU section not to take rtnl_lock() and instead use dev_get_by_name_rcu() and netdev_copy_name() for SIOCGARP. v2: https://lore.kernel.org/netdev/20240425170002.68160-1-kuniyu@amazon.com/ v1: https://lore.kernel.org/netdev/20240422194755.4221-1-kuniyu@amazon.com/ ==================== Link: https://lore.kernel.org/r/20240430015813.71143-1-kuniyu@amazon.com Signed-off-by: Jakub Kicinski --- 5165c48ef1afbb3e0126b36be84ffaa6f05cb6f0