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authorEric Dumazet <edumazet@google.com>2017-02-02 11:44:27 -0800
committerDavid S. Miller <davem@davemloft.net>2017-02-03 16:18:01 -0500
commit5226b7919641f285bf0f8db84deeb3920b160ec7 (patch)
tree0a3beb0933d67fad17d40f11cd56c2c03b200611 /tools/lib/api/fs/tracing_path.c
parent362108b5adddac6f496acc40696e499defd56d62 (diff)
cxgb4: get rid of custom busy poll code
In linux-4.5, busy polling was implemented in core NAPI stack, meaning that all custom implementation can be removed from drivers. Not only we remove lot of code, we also remove one spin_lock() from driver fast path. Signed-off-by: Eric Dumazet <edumazet@google.com> Cc: Ganesh Goudar <ganeshgr@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'tools/lib/api/fs/tracing_path.c')
0 files changed, 0 insertions, 0 deletions
introduction of get_mounptoint ensures that only the mount_lock is needed to manipulate the mountpoint hashtable. d_set_mounted is modified to only set DCACHE_MOUNTED if it is not already set. This allows get_mountpoint to use the setting of DCACHE_MOUNTED to ensure adding a struct mountpoint for a dentry happens exactly once. Cc: stable@vger.kernel.org Fixes: ce07d891a089 ("mnt: Honor MNT_LOCKED when detaching mounts") Reported-by: Krister Johansen <kjlx@templeofstupid.com> Suggested-by: Al Viro <viro@ZenIV.linux.org.uk> Acked-by: Al Viro <viro@ZenIV.linux.org.uk> Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Diffstat (limited to 'net/nfc')