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authorDavid S. Miller <davem@davemloft.net>2019-02-08 15:00:17 -0800
committerDavid S. Miller <davem@davemloft.net>2019-02-08 15:00:17 -0800
commita655fe9f194842693258f43b5382855db1c2f654 (patch)
treea6e523c42378f43881c421530941dcbb529461ab /include/linux/filter.h
parent7499a288bf1a4a49be9d72beb0a5c7b9aa6ffec9 (diff)
parent27b4ad621e887ce8e5eb508a0103f13d30f6b38a (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
An ipvlan bug fix in 'net' conflicted with the abstraction away of the IPV6 specific support in 'net-next'. Similarly, a bug fix for mlx5 in 'net' conflicted with the flow action conversion in 'net-next'. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/linux/filter.h')
-rw-r--r--include/linux/filter.h21
1 files changed, 18 insertions, 3 deletions
diff --git a/include/linux/filter.h b/include/linux/filter.h
index 7317376734f7..95e2d7ebdf21 100644
--- a/include/linux/filter.h
+++ b/include/linux/filter.h
@@ -611,8 +611,8 @@ static inline u8 *bpf_skb_cb(struct sk_buff *skb)
return qdisc_skb_cb(skb)->data;
}
-static inline u32 bpf_prog_run_save_cb(const struct bpf_prog *prog,
- struct sk_buff *skb)
+static inline u32 __bpf_prog_run_save_cb(const struct bpf_prog *prog,
+ struct sk_buff *skb)
{
u8 *cb_data = bpf_skb_cb(skb);
u8 cb_saved[BPF_SKB_CB_LEN];
@@ -631,15 +631,30 @@ static inline u32 bpf_prog_run_save_cb(const struct bpf_prog *prog,
return res;
}
+static inline u32 bpf_prog_run_save_cb(const struct bpf_prog *prog,
+ struct sk_buff *skb)
+{
+ u32 res;
+
+ preempt_disable();
+ res = __bpf_prog_run_save_cb(prog, skb);
+ preempt_enable();
+ return res;
+}
+
static inline u32 bpf_prog_run_clear_cb(const struct bpf_prog *prog,
struct sk_buff *skb)
{
u8 *cb_data = bpf_skb_cb(skb);
+ u32 res;
if (unlikely(prog->cb_access))
memset(cb_data, 0, BPF_SKB_CB_LEN);
- return BPF_PROG_RUN(prog, skb);
+ preempt_disable();
+ res = BPF_PROG_RUN(prog, skb);
+ preempt_enable();
+ return res;
}
static __always_inline u32 bpf_prog_run_xdp(const struct bpf_prog *prog,