Le 23/02/2026 à 19:07, Christophe Leroy (CS GROUP) a écrit :
+Kees

Hello,

Le 23/02/2026 à 17:48, Christian Zigotzky a écrit :
Hello,

Compiling issue for e5500 machines for the RC1 of kernel 7.0:

arch/powerpc/kvm/e500_mmu.c: In function 'kvmppc_e500_tlb_init':
arch/powerpc/kvm/e500_mmu.c:923:26: error: assignment to 'struct tlbe_priv *' from incompatible pointer type 'struct tlbe_ref *' [- Werror=incompatible-pointer-types]
   923 |  vcpu_e500->gtlb_priv[0] = kzalloc_objs(struct tlbe_ref,
       |                          ^
arch/powerpc/kvm/e500_mmu.c:928:26: error: assignment to 'struct tlbe_priv *' from incompatible pointer type 'struct tlbe_ref *' [- Werror=incompatible-pointer-types]
   928 |  vcpu_e500->gtlb_priv[1] = kzalloc_objs(struct tlbe_ref,

Temporary solution: # CONFIG_VIRTUALIZATION is not set

Please solve this issue.


Must be one of:

189f164e573e Convert remaining multi-line kmalloc_obj/flex GFP_KERNEL uses
bf4afc53b77a Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 69050f8d6d07 treewide: Replace kmalloc with kmalloc_obj for non-scalar types


Can you try following change:

diff --git a/arch/powerpc/kvm/e500_mmu.c b/arch/powerpc/kvm/e500_mmu.c
index 48580c85f23b..75ed1496ead5 100644
--- a/arch/powerpc/kvm/e500_mmu.c
+++ b/arch/powerpc/kvm/e500_mmu.c
@@ -920,12 +920,12 @@ int kvmppc_e500_tlb_init(struct kvmppc_vcpu_e500 *vcpu_e500)
        vcpu_e500->gtlb_offset[0] = 0;
        vcpu_e500->gtlb_offset[1] = KVM_E500_TLB0_SIZE;

-       vcpu_e500->gtlb_priv[0] = kzalloc_objs(struct tlbe_ref,
+       vcpu_e500->gtlb_priv[0] = kzalloc_objs(struct tlbe_priv,
                                               
vcpu_e500->gtlb_params[0].entries);
        if (!vcpu_e500->gtlb_priv[0])
                goto free_vcpu;

-       vcpu_e500->gtlb_priv[1] = kzalloc_objs(struct tlbe_ref,
+       vcpu_e500->gtlb_priv[1] = kzalloc_objs(struct tlbe_priv,
                                               
vcpu_e500->gtlb_params[1].entries);
        if (!vcpu_e500->gtlb_priv[1])
                goto free_vcpu;

---
Christophe

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