From: Alexei Starovoitov <ast@kernel•org>
To: <davem@davemloft•net>
Cc: <daniel@iogearbox•net>, <peterz@infradead•org>,
<jannh@google•com>, <paulmck@linux•ibm.com>,
<will.deacon@arm•com>, <mingo@redhat•com>,
<netdev@vger•kernel.org>, <kernel-team@fb•com>
Subject: [PATCH v5 bpf-next 7/9] tools/bpf: sync uapi/bpf.h
Date: Sun, 27 Jan 2019 18:54:25 -0800 [thread overview]
Message-ID: <20190128025426.370004-1-ast@kernel.org> (raw)
add BPF_F_LOCK definition to tools/include/uapi/linux/bpf.h
Signed-off-by: Alexei Starovoitov <ast@kernel•org>
---
tools/include/uapi/linux/bpf.h | 1 +
1 file changed, 1 insertion(+)
diff --git a/tools/include/uapi/linux/bpf.h b/tools/include/uapi/linux/bpf.h
index 86f7c438d40f..1777fa0c61e4 100644
--- a/tools/include/uapi/linux/bpf.h
+++ b/tools/include/uapi/linux/bpf.h
@@ -267,6 +267,7 @@ enum bpf_attach_type {
#define BPF_ANY 0 /* create new element or update existing */
#define BPF_NOEXIST 1 /* create new element if it didn't exist */
#define BPF_EXIST 2 /* update existing element */
+#define BPF_F_LOCK 4 /* spin_lock-ed map_lookup/map_update */
/* flags for BPF_MAP_CREATE command */
#define BPF_F_NO_PREALLOC (1U << 0)
--
2.20.0
next reply other threads:[~2019-01-28 2:54 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-01-28 2:54 Alexei Starovoitov [this message]
2019-01-28 2:54 ` [PATCH v5 bpf-next 8/9] libbpf: introduce bpf_map_lookup_elem_flags() Alexei Starovoitov
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