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(parent: cad99cc) | patch
selftests/bpf: Pass page size from userspace in sockopt_sk
authorYauheni Kaliuta <yauheni.kaliuta@redhat.com>
Thu, 8 Apr 2021 06:13:04 +0000 (09:13 +0300)
committerAndrii Nakryiko <andrii@kernel.org>
Fri, 9 Apr 2021 06:54:47 +0000 (23:54 -0700)
commit361d32028c7d52d28d7f0562193a2f4a41d10351
tree863fbc4109bd7da906472b89b8713c4fb9e60199tree | snapshot
parentcad99cce133dd5377f22da1e75d7eb5c4b886d75commit | diff
selftests/bpf: Pass page size from userspace in sockopt_sk

Since there is no convenient way for bpf program to get PAGE_SIZE
from inside of the kernel, pass the value from userspace.

Zero-initialize the variable in bpf prog, otherwise it will cause
problems on some versions of Clang.

Signed-off-by: Yauheni Kaliuta <yauheni.kaliuta@redhat.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20210408061310.95877-3-yauheni.kaliuta@redhat.com
tools/testing/selftests/bpf/prog_tests/sockopt_sk.c diff | blob | history
tools/testing/selftests/bpf/progs/sockopt_sk.c diff | blob | history
Domain: System / Kernel;