[lkml]   [2019]   [Apr]   [23]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [PATCH v20 15/28] x86/sgx: Add the Linux SGX Enclave Driver
On 2019-04-23 17:26, Sean Christopherson wrote:
> On Tue, Apr 23, 2019 at 11:29:24PM +0000, Jethro Beekman wrote:
>> On 2019-04-22 14:58, Sean Christopherson wrote:
>>> Now that the core SGX code is approaching stability, I'd like to start
>>> sending RFCs for the EPC virtualization and KVM bits to hash out that side
>>> of things. The ACPI crud is the last chunk of code that would require
>>> non-trivial changes to the core SGX code for the proposed virtualization
>>> implementation. I'd strongly prefer to get it out of the way before
>>> sending the KVM RFCs.
>> What kind of changes? Wouldn't KVM just be another consumer of the same API
>> used by the driver?
> Nope, userspace "only" needs to be able to mmap() arbitrary chunks of EPC.

I don't think this is sufficient. Don't you need enclave tracking in
order to support paging?

Jethro Beekman | Fortanix

[unhandled content-type:application/pkcs7-signature]
 \ /
  Last update: 2019-04-24 03:04    [W:0.219 / U:3.856 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site