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authorDaniel Borkmann <daniel@iogearbox.net>2018-06-28 23:34:57 +0200
committerAlexei Starovoitov <ast@kernel.org>2018-06-29 10:47:35 -0700
commit18d405af30bf6506bf2fc49056de7691c949812e (patch)
tree0028d4fd98fbeb4a29c9809b1e9a0c434325e18b /arch/arm/net
parent4c79579b44b1876444f4d04de31c1a37098a0350 (diff)
downloadlinux-18d405af30bf6506bf2fc49056de7691c949812e.tar.bz2
bpf, arm32: fix to use bpf_jit_binary_lock_ro api
Any eBPF JIT that where its underlying arch supports ARCH_HAS_SET_MEMORY would need to use bpf_jit_binary_{un,}lock_ro() pair instead of the set_memory_{ro,rw}() pair directly as otherwise changes to the former might break. arm32's eBPF conversion missed to change it, so fix this up here. Fixes: 39c13c204bb1 ("arm: eBPF JIT compiler") Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Alexei Starovoitov <ast@kernel.org> Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Diffstat (limited to 'arch/arm/net')
-rw-r--r--arch/arm/net/bpf_jit_32.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/arm/net/bpf_jit_32.c b/arch/arm/net/bpf_jit_32.c
index 6e8b71613039..f6a62ae44a65 100644
--- a/arch/arm/net/bpf_jit_32.c
+++ b/arch/arm/net/bpf_jit_32.c
@@ -1844,7 +1844,7 @@ struct bpf_prog *bpf_int_jit_compile(struct bpf_prog *prog)
/* there are 2 passes here */
bpf_jit_dump(prog->len, image_size, 2, ctx.target);
- set_memory_ro((unsigned long)header, header->pages);
+ bpf_jit_binary_lock_ro(header);
prog->bpf_func = (void *)ctx.target;
prog->jited = 1;
prog->jited_len = image_size;