On 9/10/24 7:57 PM, David Hildenbrand wrote:
KVM is not happy when starting a VM with weird RAM sizes:

   # qemu-system-s390x --enable-kvm --nographic -m 1234K
   qemu-system-s390x: kvm_set_user_memory_region: KVM_SET_USER_MEMORY_REGION
     failed, slot=0, start=0x0, size=0x244000: Invalid argument
   kvm_set_phys_mem: error registering slot: Invalid argument
   Aborted (core dumped)

Let's handle that in a better way by rejecting such weird RAM sizes
right from the start:


Huh, I always assumed that ram is handled in multiples of 1MB in QEMU.

Acked-by: Janosch Frank <fran...@linux.ibm.com>

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