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KVM: add missing compat KVM_CLEAR_DIRTY_LOG
The arguments to the KVM_CLEAR_DIRTY_LOG ioctl include a pointer, therefore it needs a compat ioctl implementation. Otherwise, 32-bit userspace fails to invoke it on 64-bit kernels; for x86 it might work fine by chance if the padding is zero, but not on big-endian architectures. Reported-by: Thomas Sattler Cc: [email protected] Fixes: 2a31b9d ("kvm: introduce manual dirty log reprotect") Reviewed-by: Peter Xu <[email protected]> Signed-off-by: Paolo Bonzini <[email protected]>
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