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SubjectRe: [PATCH v3 15/15] Drivers: hv: Add modules to expose /dev/mshv to VMMs running on Hyper-V
On Fri, Sep 22, 2023 at 11:38:35AM -0700, Nuno Das Neves wrote:
> +static int __init mshv_vtl_init(void)
> +{
> + int ret;
> +
> + tasklet_init(&msg_dpc, mshv_vtl_sint_on_msg_dpc, 0);
> + init_waitqueue_head(&fd_wait_queue);
> +
> + if (mshv_vtl_get_vsm_regs()) {
> + pr_emerg("%s: Unable to get VSM capabilities !!\n", __func__);
> + BUG();
> + }


So you crash the whole kernel if someone loads this module on a non-mshv
system?

That seems quite excessive and hostile :(

Or am I somehow reading this incorrectly?

thanks,

greg k-h

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