On Fri, May 29, 2020 at 11:13:09AM +0300, Jarkko Sakkinen wrote:
> On Thu, May 28, 2020 at 08:37:16PM -0700, Sean Christopherson wrote:
> > On Fri, May 29, 2020 at 06:28:16AM +0300, Jarkko Sakkinen wrote:
> > > On Thu, May 28, 2020 at 12:59:17PM -0700, Sean Christopherson wrote:
> > > > On Thu, May
On Thu, May 28, 2020 at 08:37:16PM -0700, Sean Christopherson wrote:
> On Fri, May 29, 2020 at 06:28:16AM +0300, Jarkko Sakkinen wrote:
> > On Thu, May 28, 2020 at 12:59:17PM -0700, Sean Christopherson wrote:
> > > On Thu, May 28, 2020 at 10:07:18PM +0300, Jarkko Sakkinen wrote:
> > > > * sgx_grab
On Thu, May 28, 2020 at 08:37:16PM -0700, Sean Christopherson wrote:
> On Fri, May 29, 2020 at 06:28:16AM +0300, Jarkko Sakkinen wrote:
> > On Thu, May 28, 2020 at 12:59:17PM -0700, Sean Christopherson wrote:
> > > On Thu, May 28, 2020 at 10:07:18PM +0300, Jarkko Sakkinen wrote:
> > > > * sgx_grab
On Fri, May 29, 2020 at 06:28:28AM +0300, Jarkko Sakkinen wrote:
> On Thu, May 28, 2020 at 12:59:17PM -0700, Sean Christopherson wrote:
> > On Thu, May 28, 2020 at 10:07:18PM +0300, Jarkko Sakkinen wrote:
> > > On Thu, May 28, 2020 at 07:16:35PM +0200, Borislav Petkov wrote:
> > > > Lemme reply to
On Fri, May 29, 2020 at 06:28:16AM +0300, Jarkko Sakkinen wrote:
> On Thu, May 28, 2020 at 12:59:17PM -0700, Sean Christopherson wrote:
> > On Thu, May 28, 2020 at 10:07:18PM +0300, Jarkko Sakkinen wrote:
> > > * sgx_grab_page() - Grab a free EPC page
> > > * @owner:the owner of the EPC p
On Thu, May 28, 2020 at 12:59:17PM -0700, Sean Christopherson wrote:
> On Thu, May 28, 2020 at 10:07:18PM +0300, Jarkko Sakkinen wrote:
> > On Thu, May 28, 2020 at 07:16:35PM +0200, Borislav Petkov wrote:
> > > Lemme reply to all mails with one. :-)
> > > And except those last two. Those are alloca
On Thu, May 28, 2020 at 10:07:18PM +0300, Jarkko Sakkinen wrote:
> On Thu, May 28, 2020 at 07:16:35PM +0200, Borislav Petkov wrote:
> > Lemme reply to all mails with one. :-)
> > And except those last two. Those are allocating a page from the EPC
> > sections so I'd call them:
> >
> > sgx_try_allo
On Thu, May 28, 2020 at 07:16:35PM +0200, Borislav Petkov wrote:
> Lemme reply to all mails with one. :-)
>
> I think Sean almost had it:
>
> > sgx_alloc_epc_section -> sgx_map_epc_section
> > sgx_free_epc_section -> sgx_unmap_epc_section
>
> Or even
>
> sgx_setup_epc_section()
> sgx_fre
On Thu, May 28, 2020 at 07:27:24PM +0200, Borislav Petkov wrote:
> On Thu, May 28, 2020 at 10:19:37AM -0700, Sean Christopherson wrote:
> > On Thu, May 28, 2020 at 07:16:35PM +0200, Borislav Petkov wrote:
> > > * sgx_alloc_page - allocates an EPC page
> >
> > Did you want this to be sgx_alloc_epc_
On Thu, May 28, 2020 at 10:19:37AM -0700, Sean Christopherson wrote:
> On Thu, May 28, 2020 at 07:16:35PM +0200, Borislav Petkov wrote:
> > * sgx_alloc_page - allocates an EPC page
>
> Did you want this to be sgx_alloc_epc_page?
Whatever you guys prefer. I'd use "sgx_alloc_page" because it return
On Thu, May 28, 2020 at 07:16:35PM +0200, Borislav Petkov wrote:
> * sgx_alloc_page - allocates an EPC page
Did you want this to be sgx_alloc_epc_page?
Lemme reply to all mails with one. :-)
I think Sean almost had it:
> sgx_alloc_epc_section -> sgx_map_epc_section
> sgx_free_epc_section -> sgx_unmap_epc_section
Or even
sgx_setup_epc_section()
sgx_free_epc_section()
> sgx_alloc_page-> sgx_alloc_epc_page
> sgx_free_page
On Wed, May 27, 2020 at 06:36:18PM -0700, Sean Christopherson wrote:
> On Thu, May 28, 2020 at 04:23:19AM +0300, Jarkko Sakkinen wrote:
> > On Wed, May 27, 2020 at 10:46:38PM +0200, Borislav Petkov wrote:
> > > On Tue, May 26, 2020 at 09:21:11PM -0700, Sean Christopherson wrote:
> > > > In other wo
On Wed, May 27, 2020 at 05:52:17PM -0700, Sean Christopherson wrote:
> On Wed, May 27, 2020 at 10:46:38PM +0200, Borislav Petkov wrote:
> > On Tue, May 26, 2020 at 09:21:11PM -0700, Sean Christopherson wrote:
> > > In other words, sgx_alloc_epc_section() is poorly named. It doesn't
> > > actually
On Thu, May 28, 2020 at 04:23:19AM +0300, Jarkko Sakkinen wrote:
> On Wed, May 27, 2020 at 10:46:38PM +0200, Borislav Petkov wrote:
> > On Tue, May 26, 2020 at 09:21:11PM -0700, Sean Christopherson wrote:
> > > In other words, sgx_alloc_epc_section() is poorly named. It doesn't
> > > actually allo
On Wed, May 27, 2020 at 10:46:38PM +0200, Borislav Petkov wrote:
> On Tue, May 26, 2020 at 09:21:11PM -0700, Sean Christopherson wrote:
> > In other words, sgx_alloc_epc_section() is poorly named. It doesn't
> > actually allocate EPC, it allocates kernel structures to map and track EPC.
> > sgx_(u
On Wed, May 27, 2020 at 10:46:38PM +0200, Borislav Petkov wrote:
> On Tue, May 26, 2020 at 09:21:11PM -0700, Sean Christopherson wrote:
> > In other words, sgx_alloc_epc_section() is poorly named. It doesn't
> > actually allocate EPC, it allocates kernel structures to map and track EPC.
> > sgx_(u
On Tue, May 26, 2020 at 09:21:11PM -0700, Sean Christopherson wrote:
> In other words, sgx_alloc_epc_section() is poorly named. It doesn't
> actually allocate EPC, it allocates kernel structures to map and track EPC.
> sgx_(un)map_epc_section() would be more accurate and would hopefully
> alleviat
On Tue, May 26, 2020 at 02:52:08PM +0200, Borislav Petkov wrote:
> On Fri, May 15, 2020 at 03:43:58AM +0300, Jarkko Sakkinen wrote:
> > diff --git a/arch/x86/kernel/cpu/sgx/main.c b/arch/x86/kernel/cpu/sgx/main.c
> > index 38424c1e8341..60d82e7537c8 100644
> > --- a/arch/x86/kernel/cpu/sgx/main.c
>
On Fri, May 15, 2020 at 03:43:58AM +0300, Jarkko Sakkinen wrote:
> Add functions for allocating page from Enclave Page Cache (EPC). A page is
pages
> allocated by going through the EPC sections and returning the first free
> page.
>
> When a page is freed, it migh
Add functions for allocating page from Enclave Page Cache (EPC). A page is
allocated by going through the EPC sections and returning the first free
page.
When a page is freed, it might have a valid state, which means that the
callee has assigned it to an enclave, which are protected memory ares us
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