diff options
| author | Kevin Hilman <khilman@linaro.org> | 2015-07-06 11:16:48 -0700 |
|---|---|---|
| committer | Kevin Hilman <khilman@linaro.org> | 2015-07-06 11:16:48 -0700 |
| commit | c1c767d29bb2390308a35b69957b874e9446fe3b (patch) | |
| tree | 6014e0b0838b2536c72452be4c5f5b2102922d04 /arch/x86/net/bpf_jit_comp.c | |
| parent | 2cb9802eeb7f919f97df05b16ec128f4f5af366d (diff) | |
| parent | 165797d05c15ab87ef7421c63a076ffa8477cbe4 (diff) | |
Merge tag 'v3.14.45' of git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable into linux-linaro-lsk-v3.14lsk-v3.14-15.07
This is the 3.14.45 stable release
Diffstat (limited to 'arch/x86/net/bpf_jit_comp.c')
| -rw-r--r-- | arch/x86/net/bpf_jit_comp.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/arch/x86/net/bpf_jit_comp.c b/arch/x86/net/bpf_jit_comp.c index af2d4317b218..1fed139f8eae 100644 --- a/arch/x86/net/bpf_jit_comp.c +++ b/arch/x86/net/bpf_jit_comp.c @@ -211,7 +211,12 @@ void bpf_jit_compile(struct sk_filter *fp) } cleanup_addr = proglen; /* epilogue address */ - for (pass = 0; pass < 10; pass++) { + /* JITed image shrinks with every pass and the loop iterates + * until the image stops shrinking. Very large bpf programs + * may converge on the last pass. In such case do one more + * pass to emit the final image + */ + for (pass = 0; pass < 10 || image; pass++) { u8 seen_or_pass0 = (pass == 0) ? (SEEN_XREG | SEEN_DATAREF | SEEN_MEM) : seen; /* no prologue/epilogue for trivial filters (RET something) */ proglen = 0; |