Re: [PATCH v5 12/18] x86/sgx: Add EPC OOM path to forcefully reclaim EPC

Huang, Kai
2023-10-16T11:03:03Z

On Wed, 2023-10-11 at 01:14 +0000, Huang, Kai wrote:
> On Tue, 2023-10-10 at 11:49 -0500, Haitao Huang wrote:
> > >
> > > This patch adds SGX_ENCL_NO_MEMORY.  I guess we can use it for virtual
> > > EPC too?
> > >
> >
> > That flag is set for enclaves, do you mean we set similar flag in vepc
> > struct?
>
> Yes.

I missed the "ENCL" part but only noted the "NO_MEMORY" part, so I guess it
should not be used directly for vEPC. So if it is needed, SGX_VEPC_NO_MEMORY,
or a simple 'bool dead' or similar in 'struct sgx_vepc' is more suitable.

As I said I was fighting with fever and headache last week :-)