Re: [RFC PATCH V3 06/16] x86/hyperv: decrypt vmbus pages for sev-snp enlightened guest

[Tianyu Lan]

On 2/1/2023 1:58 AM, Michael Kelley (LINUX) wrote:
> > +
> > +			ret = set_memory_decrypted((unsigned long)
> > +				hv_cpu->post_msg_page, 1);
> > +			if (ret)
> > +				goto err_decrypt_msg_page;
> > +
> > +			memset(hv_cpu->synic_message_page, 0, PAGE_SIZE);
> > +			memset(hv_cpu->synic_event_page, 0, PAGE_SIZE);
> > +			memset(hv_cpu->post_msg_page, 0, PAGE_SIZE);
> > +		}
> Having decrypted the pages here in hv_synic_alloc(), shouldn't
> there be corresponding re-encryption in hv_synic_free()?

Yes, I ignore in this version and will fix it.

Thanks.