Re: [PATCH] s390x/kvm: Add ASTFLE facility 2 for nested virtualization

[Thomas Huth]

On 11/02/2026 15.56, Christoph Schlameuss wrote:
Allow propagation of the ASTFLEIE2 feature bit.
If the host does have the ASTFLE Interpretive Execution Facility 2 the
guest can enable the ASTFLE format 2 for its guests.

Signed-off-by: Christoph Schlameuss <schlame...@linux.ibm.com>
---
...
diff --git a/linux-headers/asm-s390/kvm.h b/linux-headers/asm-s390/kvm.h
index 
ab5a6bce590c722452dac5aeb476bd1969d2235b..45a6d0a7406a3f1b71026c49e00ac25a6fc620ef
 100644
--- a/linux-headers/asm-s390/kvm.h
+++ b/linux-headers/asm-s390/kvm.h
@@ -444,6 +444,7 @@ struct kvm_s390_vm_cpu_machine {
  #define KVM_S390_VM_CPU_FEAT_PFMFI    11
  #define KVM_S390_VM_CPU_FEAT_SIGPIF   12
  #define KVM_S390_VM_CPU_FEAT_KSS      13
+#define KVM_S390_VM_CPU_FEAT_ASTFLEIE2 14
  struct kvm_s390_vm_cpu_feat {
        __u64 feat[16];
  };
 Hi!

Please don't send updates to linux-headers/ embedded in patches, such 
updates should go via a separate patch instead that has been created by the 
scripts/update-linux-headers.sh script.

 Thanks,
  Thomas