On 04/24/2018 03:06 PM, Paul Chaignon wrote:
Currently, helpers that expect ARG_PTR_TO_MAP_KEY and ARG_PTR_TO_MAP_VALUE
can only access stack and packet memory. This patchset allows these
helpers to directly access map values by passing registers of type
The first patch changes the verifier; the second adds new test cases.
The first three versions of this patchset were sent on the iovisor-dev
mailing list only.
Changes in v5:
- Refactor using check_helper_mem_access.
Changes in v4:
Changes in v3:
- Bug fixes.
- Negative test cases.
Changes in v2:
- Additional test cases for adjusted maps.
Applied to bpf-next, thanks Paul!