From: Andrii Nakryiko Date: Wed, 11 Mar 2020 04:30:10 +0000 (-0700) Subject: tools/runqslower: Add BPF_F_CURRENT_CPU for running selftest on older kernels X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=37ccc12bbcef880e6b3fdf7e03cf9e5fe9df99f2;p=linux.git tools/runqslower: Add BPF_F_CURRENT_CPU for running selftest on older kernels Libbpf compiles and runs subset of selftests on each PR in its Github mirror repository. To allow still building up-to-date selftests against outdated kernel images, add back BPF_F_CURRENT_CPU definitions back. N.B. BCC's runqslower version ([0]) doesn't need BPF_F_CURRENT_CPU due to use of locally checked in vmlinux.h, generated against kernel with 1aae4bdd7879 ("bpf: Switch BPF UAPI #define constants used from BPF program side to enums") applied. [0] https://github.com/iovisor/bcc/pull/2809 Fixes: 367d82f17eff (" tools/runqslower: Drop copy/pasted BPF_F_CURRENT_CPU definiton") Signed-off-by: Andrii Nakryiko Signed-off-by: Daniel Borkmann Link: https://lore.kernel.org/bpf/20200311043010.530620-1-andriin@fb.com --- diff --git a/tools/bpf/runqslower/runqslower.bpf.c b/tools/bpf/runqslower/runqslower.bpf.c index 0ba501305bad2..1f18a409f0443 100644 --- a/tools/bpf/runqslower/runqslower.bpf.c +++ b/tools/bpf/runqslower/runqslower.bpf.c @@ -5,6 +5,7 @@ #include "runqslower.h" #define TASK_RUNNING 0 +#define BPF_F_CURRENT_CPU 0xffffffffULL const volatile __u64 min_us = 0; const volatile pid_t targ_pid = 0;