[PATCH v1 3/3] arch/powerpc/net/bpf: Basic EBPF support
From: Balbir Singh <bsingharora@gmail.com>
Date: 2017-08-01 11:25:59
Subsystem:
bpf jit for powerpc (32-bit and 64-bit), bpf [general] (safe dynamic programs and tools), linux for powerpc (32-bit and 64-bit), the rest · Maintainers:
Hari Bathini, Christophe Leroy, Alexei Starovoitov, Daniel Borkmann, Andrii Nakryiko, Eduard Zingerman, Kumar Kartikeya Dwivedi, Madhavan Srinivasan, Linus Torvalds
Signed-off-by: Balbir Singh <bsingharora@gmail.com> --- arch/powerpc/net/bpf_jit_comp64.c | 13 +------------ 1 file changed, 1 insertion(+), 12 deletions(-)
diff --git a/arch/powerpc/net/bpf_jit_comp64.c b/arch/powerpc/net/bpf_jit_comp64.c
index 861c5af..d81110e 100644
--- a/arch/powerpc/net/bpf_jit_comp64.c
+++ b/arch/powerpc/net/bpf_jit_comp64.c@@ -1054,6 +1054,7 @@ struct bpf_prog *bpf_int_jit_compile(struct bpf_prog *fp) fp->jited = 1; fp->jited_len = alloclen; + bpf_jit_binary_lock_ro(bpf_hdr); bpf_flush_icache(bpf_hdr, (u8 *)bpf_hdr + (bpf_hdr->pages * PAGE_SIZE)); out:
@@ -1064,15 +1065,3 @@ struct bpf_prog *bpf_int_jit_compile(struct bpf_prog *fp) return fp; } - -/* Overriding bpf_jit_free() as we don't set images read-only. */ -void bpf_jit_free(struct bpf_prog *fp) -{ - unsigned long addr = (unsigned long)fp->bpf_func & PAGE_MASK; - struct bpf_binary_header *bpf_hdr = (void *)addr; - - if (fp->jited) - bpf_jit_binary_free(bpf_hdr); - - bpf_prog_unlock_free(fp); -}
--
2.9.4