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authorIngo Molnar <mingo@kernel.org>2017-12-06 23:37:06 +0100
committerIngo Molnar <mingo@kernel.org>2017-12-06 23:37:06 +0100
commitd0300e5e8d2fb74852f8116f26546e12cfa66735 (patch)
treea6580aa74a0ebd7965dbc37767717b4f73dd9d79 /kernel/bpf/stackmap.c
parentMerge tag 'perf-core-for-mingo-4.16-20171206' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/core (diff)
parenttooling/headers: Synchronize updated s390 and x86 UAPI headers (diff)
Merge branch 'perf/urgent' into perf/core, to pick up fixes and to refresh to v4.15
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'kernel/bpf/stackmap.c')
-rw-r--r--kernel/bpf/stackmap.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/kernel/bpf/stackmap.c b/kernel/bpf/stackmap.c
index 135be433e9a0..a15bc636cc98 100644
--- a/kernel/bpf/stackmap.c
+++ b/kernel/bpf/stackmap.c
@@ -11,6 +11,9 @@
#include <linux/perf_event.h>
#include "percpu_freelist.h"
+#define STACK_CREATE_FLAG_MASK \
+ (BPF_F_NUMA_NODE | BPF_F_RDONLY | BPF_F_WRONLY)
+
struct stack_map_bucket {
struct pcpu_freelist_node fnode;
u32 hash;
@@ -60,7 +63,7 @@ static struct bpf_map *stack_map_alloc(union bpf_attr *attr)
if (!capable(CAP_SYS_ADMIN))
return ERR_PTR(-EPERM);
- if (attr->map_flags & ~BPF_F_NUMA_NODE)
+ if (attr->map_flags & ~STACK_CREATE_FLAG_MASK)
return ERR_PTR(-EINVAL);
/* check sanity of attributes */