The BPF_PROG_QUERY constant was introduced to Linux in
commit defd9c476fa6b01b4eb5450452bfd202138decb7
Author: Alexei Starovoitov <ast(a)kernel.org>
Date: Mon Oct 2 22:50:26 2017 -0700
libbpf: sync bpf.h
This is old enough that all our supported platforms can be assumed
to have this feature.
Signed-off-by: Daniel P. Berrangé <berrange(a)redhat.com>
---
meson.build | 1 -
src/util/virbpf.c | 6 +++---
src/util/virbpf.h | 6 +++---
3 files changed, 6 insertions(+), 7 deletions(-)
diff --git a/meson.build b/meson.build
index 95bc89ec52..790d52ec8d 100644
--- a/meson.build
+++ b/meson.build
@@ -647,7 +647,6 @@ symbols = [
if host_machine.system() == 'linux'
symbols += [
# Check if we have new enough kernel to support BPF devices for cgroups v2
- [ 'linux/bpf.h', 'BPF_PROG_QUERY' ],
[ 'linux/bpf.h', 'BPF_CGROUP_DEVICE' ],
]
endif
diff --git a/src/util/virbpf.c b/src/util/virbpf.c
index 1169b99d07..34abf6f9b4 100644
--- a/src/util/virbpf.c
+++ b/src/util/virbpf.c
@@ -24,7 +24,7 @@ VIR_LOG_INIT("util.bpf");
#define VIR_FROM_THIS VIR_FROM_BPF
-#if WITH_SYS_SYSCALL_H && WITH_DECL_BPF_PROG_QUERY
+#ifdef __linux__
# include <sys/syscall.h>
# include <unistd.h>
@@ -292,7 +292,7 @@ virBPFDeleteElem(int mapfd,
}
-#else /* !WITH_SYS_SYSCALL_H || !WITH_DECL_BPF_PROG_QUERY */
+#else /* ! __linux__ */
int
@@ -420,4 +420,4 @@ virBPFDeleteElem(int mapfd G_GNUC_UNUSED,
errno = ENOSYS;
return -1;
}
-#endif /* !WITH_SYS_SYSCALL_H || !WITH_DECL_BPF_PROG_QUERY */
+#endif /* !__linux__ */
diff --git a/src/util/virbpf.h b/src/util/virbpf.h
index 1eafce86c0..cf21ac2d40 100644
--- a/src/util/virbpf.h
+++ b/src/util/virbpf.h
@@ -18,7 +18,7 @@
#pragma once
-#if WITH_DECL_BPF_PROG_QUERY
+#ifdef __linux__
# include <linux/bpf.h>
@@ -171,7 +171,7 @@
.imm = 0, \
})
-#else /* WITH_DECL_BPF_PROG_QUERY */
+#else /* ! __linux__ */
struct bpf_prog_info;
struct bpf_map_info;
@@ -191,7 +191,7 @@ struct bpf_insn;
# define VIR_BPF_CALL_INSN(func)
# define VIR_BPF_EXIT_INSN()
-#endif /* WITH_DECL_BPF_PROG_QUERY */
+#endif /* ! __linux__ */
int
virBPFCreateMap(unsigned int mapType,
--
2.38.1