2015-08-05 15:38+0200, Paolo Bonzini: > On 05/08/2015 15:34, Radim Krčmář wrote: >> vcpu ioctl should only be issued by the vcpu thread so it would >> significantly limit use. > > That's a general limitation, but you can lift it for particular ioctls. > > See in particular this: > > #if defined(CONFIG_S390) || defined(CONFIG_PPC) || defined(CONFIG_MIPS) > /* > * Special cases: vcpu ioctls that are asynchronous to vcpu execution, > * so vcpu_load() would break it. > */ > if (ioctl == KVM_S390_INTERRUPT || ioctl == KVM_S390_IRQ || ioctl == KVM_INTERRUPT) > return kvm_arch_vcpu_ioctl(filp, ioctl, arg); > #endif > > You can add an "if (ioctl == KVM_USER_EXIT)" before. Thanks, it looks to be safe, I'll put it in v2. -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
