[RFC PATCH v1 07/42] skip processing plane configuration for plane 0 - plane 0 is the boot plane

Sriram Nambakam <[email protected]> Wed, 5 Aug 2026 04:02:49 -0700
Newsgroups org.kernel.vger.kvm,org.kernel.vger.linux-kernel
Message-ID <[email protected]>
---
 init/vm_planes.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/init/vm_planes.c b/init/vm_planes.c
index 8eafb1c5f8cf..ecfe8de409a8 100644
--- a/init/vm_planes.c
+++ b/init/vm_planes.c
@@ -288,7 +288,10 @@ static int __init parse_vm_planes_kconfig(const char *buf, size_t len,
 			p++;
 	}
 
-	for (i = 0; i < *plane_count; i++) {
+	/* Plane 0 is the already-running boot plane; only secondary planes
+	 * must provide full allocation metadata.
+	 */
+	for (i = 1; i < *plane_count; i++) {
 		if (state[i].load_offset == VM_PLANES_UNSET_VALUE ||
 		    state[i].memory_size == VM_PLANES_UNSET_VALUE ||
 		    !state[i].vcpu_count ||
-- 
2.55.0