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authorPaolo Bonzini <pbonzini@redhat.com>2024-04-19 08:57:14 -0400
committerPaolo Bonzini <pbonzini@redhat.com>2024-04-19 09:02:22 -0400
commita96cb3bf390eebfead5fc7a2092f8452a7997d1b (patch)
treed0e16dc3e903ce705f85c4c334d750b4b304a0f0 /tools/lib/bpf/libbpf.c
parent1ab157ce573f5abd932b72679a7c67b1ed0bff13 (diff)
parentb377c66ae3509ccea596512d6afb4777711c4870 (diff)
Merge x86 bugfixes from Linux 6.9-rc3
Pull fix for SEV-SNP late disable bugs. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'tools/lib/bpf/libbpf.c')
-rw-r--r--tools/lib/bpf/libbpf.c10
1 files changed, 7 insertions, 3 deletions
diff --git a/tools/lib/bpf/libbpf.c b/tools/lib/bpf/libbpf.c
index efab29b8935b..a2061fcd612d 100644
--- a/tools/lib/bpf/libbpf.c
+++ b/tools/lib/bpf/libbpf.c
@@ -498,7 +498,7 @@ struct bpf_struct_ops {
#define KSYMS_SEC ".ksyms"
#define STRUCT_OPS_SEC ".struct_ops"
#define STRUCT_OPS_LINK_SEC ".struct_ops.link"
-#define ARENA_SEC ".arena.1"
+#define ARENA_SEC ".addr_space.1"
enum libbpf_map_type {
LIBBPF_MAP_UNSPEC,
@@ -1650,6 +1650,10 @@ static int sys_memfd_create(const char *name, unsigned flags)
return syscall(__NR_memfd_create, name, flags);
}
+#ifndef MFD_CLOEXEC
+#define MFD_CLOEXEC 0x0001U
+#endif
+
static int create_placeholder_fd(void)
{
int fd;
@@ -5352,8 +5356,8 @@ retry:
goto err_out;
}
if (map->def.type == BPF_MAP_TYPE_ARENA) {
- map->mmaped = mmap((void *)map->map_extra, bpf_map_mmap_sz(map),
- PROT_READ | PROT_WRITE,
+ map->mmaped = mmap((void *)(long)map->map_extra,
+ bpf_map_mmap_sz(map), PROT_READ | PROT_WRITE,
map->map_extra ? MAP_SHARED | MAP_FIXED : MAP_SHARED,
map->fd, 0);
if (map->mmaped == MAP_FAILED) {