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Date:   Tue, 2 Oct 2018 03:31:06 +0300
From:   Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
To:     Jethro Beekman <jethro@fortanix.com>
Cc:     Dave Hansen <dave.hansen@intel.com>,
        Andy Lutomirski <luto@amacapital.net>,
        "Christopherson, Sean J" <sean.j.christopherson@intel.com>,
        Andrew Lutomirski <luto@kernel.org>, X86 ML <x86@kernel.org>,
        Platform Driver <platform-driver-x86@vger.kernel.org>,
        "nhorman@redhat.com" <nhorman@redhat.com>,
        "npmccallum@redhat.com" <npmccallum@redhat.com>,
        "Ayoun, Serge" <serge.ayoun@intel.com>,
        "shay.katz-zamir@intel.com" <shay.katz-zamir@intel.com>,
        "linux-sgx@vger.kernel.org" <linux-sgx@vger.kernel.org>,
        Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
        Dave Hansen <dave.hansen@linux.intel.com>,
        Peter Zijlstra <peterz@infradead.org>,
        Thomas Gleixner <tglx@linutronix.de>,
        Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
        "H. Peter Anvin" <hpa@zytor.com>,
        LKML <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v14 09/19] x86/mm: x86/sgx: Signal SEGV_SGXERR for #PFs
 w/ PF_SGX
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On Mon, Oct 01, 2018 at 09:42:48PM +0000, Jethro Beekman wrote:
> 1) Even though the vDSO function exists, userspace may still call
> `ENCLU[EENTER]` manually, so the fault handling as described in the current
> patch should also be maintained.

You mean the way it was is in v13 and not the way it is in v14?

> 2) All the information that would normally be provided through the signal
> handler (x86 fault number, reason) should be provided to userspace.

As I've understood it, this should be just a change in the delivery path.

/Jarkko