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Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net

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Honestly all the conflicts were simple overlapping changes,
nothing really interesting to report.

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller
2019-06-17 19:48:13 -07:00
parent f97252a8c3 29f785ff76
commit 13091aa305
4109 changed files with 9657 additions and 34889 deletions
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19
kernel/bpf/devmap.c
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@@ -1,13 +1,5 @@
// SPDX-License-Identifier: GPL-2.0-only
/* Copyright (c) 2017 Covalent IO, Inc. http://covalent.io
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of version 2 of the GNU General Public
* License as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*/
/* Devmaps primary use is as a backend map for XDP BPF helper call
@@ -184,6 +176,7 @@ static void dev_map_free(struct bpf_map *map)
if (!dev)
continue;
free_percpu(dev->bulkq);
dev_put(dev->dev);
kfree(dev);
}
@@ -279,6 +272,7 @@ void __dev_map_flush(struct bpf_map *map)
unsigned long *bitmap = this_cpu_ptr(dtab->flush_needed);
u32 bit;
rcu_read_lock();
for_each_set_bit(bit, bitmap, map->max_entries) {
struct bpf_dtab_netdev *dev = READ_ONCE(dtab->netdev_map[bit]);
struct xdp_bulk_queue *bq;
@@ -289,11 +283,12 @@ void __dev_map_flush(struct bpf_map *map)
if (unlikely(!dev))
continue;
__clear_bit(bit, bitmap);
bq = this_cpu_ptr(dev->bulkq);
bq_xmit_all(dev, bq, XDP_XMIT_FLUSH, true);
__clear_bit(bit, bitmap);
}
rcu_read_unlock();
}
/* rcu_read_lock (from syscall and BPF contexts) ensures that if a delete and/or
@@ -386,6 +381,7 @@ static void dev_map_flush_old(struct bpf_dtab_netdev *dev)
int cpu;
rcu_read_lock();
for_each_online_cpu(cpu) {
bitmap = per_cpu_ptr(dev->dtab->flush_needed, cpu);
__clear_bit(dev->bit, bitmap);
@@ -393,6 +389,7 @@ static void dev_map_flush_old(struct bpf_dtab_netdev *dev)
bq = per_cpu_ptr(dev->bulkq, cpu);
bq_xmit_all(dev, bq, XDP_XMIT_FLUSH, false);
}
rcu_read_unlock();
}
}