summaryrefslogtreecommitdiff
path: root/include/linux/bpf_verifier.h
diff options
context:
space:
mode:
authorJakub Kicinski <jakub.kicinski@netronome.com>2019-01-22 22:45:23 -0800
committerAlexei Starovoitov <ast@kernel.org>2019-01-23 17:35:32 -0800
commit9e4c24e7ee7dfd3898269519103e823892b730d8 (patch)
treeb62ec0289acccf464e0fc6bcee8fd3417f4bc24c /include/linux/bpf_verifier.h
parentcb05077508bf3635fcf1637fdb30136559555c65 (diff)
bpf: verifier: record original instruction index
The communication between the verifier and advanced JITs is based on instruction indexes. We have to keep them stable throughout the optimizations otherwise referring to a particular instruction gets messy quickly. Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Reviewed-by: Quentin Monnet <quentin.monnet@netronome.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Diffstat (limited to 'include/linux/bpf_verifier.h')
-rw-r--r--include/linux/bpf_verifier.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/bpf_verifier.h b/include/linux/bpf_verifier.h
index 573cca00a0e6..f3ae00ee5516 100644
--- a/include/linux/bpf_verifier.h
+++ b/include/linux/bpf_verifier.h
@@ -187,6 +187,7 @@ struct bpf_insn_aux_data {
int sanitize_stack_off; /* stack slot to be cleared */
bool seen; /* this insn was processed by the verifier */
u8 alu_state; /* used in combination with alu_limit */
+ unsigned int orig_idx; /* original instruction index */
};
#define MAX_USED_MAPS 64 /* max number of maps accessed by one eBPF program */