Kernel doc Documentation/ABI/testing/sysfs-firmware-ofw says that
the /proc/device-tree symlink should be used, as opposed to
directly accessing /sys/firmware/devicetree/base. The former is
ABI, but not the later.
---
src/shared/virt.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/src/shared/virt.c b/src/shared/virt.c
index 7c1381f4b8114..aa3501f42916c 100644
--- a/src/shared/virt.c
+++ b/src/shared/virt.c
@@ -106,7 +106,7 @@ static int detect_vm_devicetree(const char **_id) {
_cleanup_free_ char *hvtype = NULL;
int r;
- r =
read_one_line_file("/sys/firmware/devicetree/base/hypervisor/compatible",
&hvtype);
+ r = read_one_line_file("/proc/device-tree/hypervisor/compatible",
&hvtype);
if (r >= 0) {
if (streq(hvtype, "linux,kvm")) {
*_id = "kvm";
--
1.9.3
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