On Fri, Sep 25, 2020 at 09:51:04AM +0200, Borislav Petkov wrote:
> On Thu, Sep 24, 2020 at 11:38:59PM +0300, Jarkko Sakkinen wrote:
> > I assume this is a rethorical question
>
> Of course - our text should not be write-only.
>
> > and I notice what I suggested
> > looks as bad as my earlier
On Fri, Sep 25, 2020 at 09:53:01AM +0200, Borislav Petkov wrote:
> On Thu, Sep 24, 2020 at 11:40:22PM +0300, Jarkko Sakkinen wrote:
> > I'm not sure if I said it already but I also added cc to linux-mm (same
> > CC's in the patch as with mprotect callback commit). This should also
> > have mm ack
On Thu, Sep 24, 2020 at 11:40:22PM +0300, Jarkko Sakkinen wrote:
> I'm not sure if I said it already but I also added cc to linux-mm (same
> CC's in the patch as with mprotect callback commit). This should also
> have mm ack I think.
Why? This is adding ptrace functionality to enclaves which is
On Thu, Sep 24, 2020 at 11:38:59PM +0300, Jarkko Sakkinen wrote:
> I assume this is a rethorical question
Of course - our text should not be write-only.
> and I notice what I suggested
> looks as bad as my earlier commit message :-)
>
> So, I gave it some thought that and decided to "open code"
On Thu, Sep 24, 2020 at 11:39:07PM +0300, Jarkko Sakkinen wrote:
> On Thu, Sep 24, 2020 at 05:57:51PM +0200, Borislav Petkov wrote:
> > On Thu, Sep 24, 2020 at 02:51:28PM +0300, Jarkko Sakkinen wrote:
> > > On Wed, Sep 23, 2020 at 06:17:33PM +0200, Borislav Petkov wrote:
> > > > > Add 'access'
On Thu, Sep 24, 2020 at 05:57:51PM +0200, Borislav Petkov wrote:
> On Thu, Sep 24, 2020 at 02:51:28PM +0300, Jarkko Sakkinen wrote:
> > On Wed, Sep 23, 2020 at 06:17:33PM +0200, Borislav Petkov wrote:
> > > > Add 'access' implementation to vm_ops with the help of these functions.
> > >
> > > "Add
On Thu, Sep 24, 2020 at 02:51:28PM +0300, Jarkko Sakkinen wrote:
> On Wed, Sep 23, 2020 at 06:17:33PM +0200, Borislav Petkov wrote:
> > > Add 'access' implementation to vm_ops with the help of these functions.
> >
> > "Add an ->access virtual MM function for accessing the enclave's memory... "
>
On Wed, Sep 23, 2020 at 06:17:33PM +0200, Borislav Petkov wrote:
> > Add 'access' implementation to vm_ops with the help of these functions.
>
> "Add an ->access virtual MM function for accessing the enclave's memory... "
Thank you. I wrote the last paragraph like this:
"Add an '->access'
On Wed, Sep 23, 2020 at 04:20:49PM +0300, Jarkko Sakkinen wrote:
> Intel Sofware Guard eXtensions (SGX) allows creation of executable blobs
> called enclaves, which cannot be accessed by default when not executing
> inside the enclave. Enclaves can be entered by only using predefined memory
>
On Tue, Sep 22, 2020 at 05:44:24PM +0200, Borislav Petkov wrote:
>
> > Subject: Re: [PATCH v38 17/24] x86/sgx: ptrace() support for the SGX driver
>... x86/sgx: Add ptrace() support...
>
> subject needs a verb.
>
> On Tue, Sep 15, 2020 at
> Subject: Re: [PATCH v38 17/24] x86/sgx: ptrace() support for the SGX driver
... x86/sgx: Add ptrace() support...
subject needs a verb.
On Tue, Sep 15, 2020 at 02:28:35PM +0300, Jarkko Sakkinen wrote:
> Add VMA callbacks for ptrace() that can be used with
Add VMA callbacks for ptrace() that can be used with debug enclaves.
With debug enclaves data can be read and write the memory word at a time
by using ENCLS(EDBGRD) and ENCLS(EDBGWR) leaf instructions.
Acked-by: Jethro Beekman
Signed-off-by: Jarkko Sakkinen
---
arch/x86/kernel/cpu/sgx/encl.c |
Add VMA callbacks for ptrace() that can be used with debug enclaves.
With debug enclaves data can be read and write the memory word at a time
by using ENCLS(EDBGRD) and ENCLS(EDBGWR) leaf instructions.
Acked-by: Jethro Beekman
Signed-off-by: Jarkko Sakkinen
---
arch/x86/kernel/cpu/sgx/encl.c |
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