aboutsummaryrefslogtreecommitdiff
path: root/arch/powerpc/net/bpf_jit_comp64.c
diff options
context:
space:
mode:
authorJiri Kosina <jkosina@suse.cz>2017-05-02 11:02:41 +0200
committerJiri Kosina <jkosina@suse.cz>2017-05-02 11:02:41 +0200
commit4d6ca227c768b50b05cf183974b40abe444e9d0c (patch)
treebf953d8e895281053548b9967a2c4b58d641df00 /arch/powerpc/net/bpf_jit_comp64.c
parent800f3eef8ebc1264e9c135bfa892c8ae41fa4792 (diff)
parentaf22a610bc38508d5ea760507d31be6b6983dfa8 (diff)
Merge branch 'for-4.12/asus' into for-linus
Diffstat (limited to 'arch/powerpc/net/bpf_jit_comp64.c')
-rw-r--r--arch/powerpc/net/bpf_jit_comp64.c19
1 files changed, 9 insertions, 10 deletions
diff --git a/arch/powerpc/net/bpf_jit_comp64.c b/arch/powerpc/net/bpf_jit_comp64.c
index 73a5cf18fd84..aee2bb817ac6 100644
--- a/arch/powerpc/net/bpf_jit_comp64.c
+++ b/arch/powerpc/net/bpf_jit_comp64.c
@@ -961,8 +961,6 @@ common_load:
return 0;
}
-void bpf_jit_compile(struct bpf_prog *fp) { }
-
struct bpf_prog *bpf_int_jit_compile(struct bpf_prog *fp)
{
u32 proglen;
@@ -1046,16 +1044,16 @@ struct bpf_prog *bpf_int_jit_compile(struct bpf_prog *fp)
*/
bpf_jit_dump(flen, proglen, pass, code_base);
- if (image) {
- bpf_flush_icache(bpf_hdr, image + alloclen);
#ifdef PPC64_ELF_ABI_v1
- /* Function descriptor nastiness: Address + TOC */
- ((u64 *)image)[0] = (u64)code_base;
- ((u64 *)image)[1] = local_paca->kernel_toc;
+ /* Function descriptor nastiness: Address + TOC */
+ ((u64 *)image)[0] = (u64)code_base;
+ ((u64 *)image)[1] = local_paca->kernel_toc;
#endif
- fp->bpf_func = (void *)image;
- fp->jited = 1;
- }
+
+ fp->bpf_func = (void *)image;
+ fp->jited = 1;
+
+ bpf_flush_icache(bpf_hdr, (u8 *)bpf_hdr + (bpf_hdr->pages * PAGE_SIZE));
out:
kfree(addrs);
@@ -1066,6 +1064,7 @@ out:
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;