From mboxrd@z Thu Jan  1 00:00:00 1970
From: Dave Hansen <dave.hansen@intel.com>
Subject: Re: [PATCH v14 09/19] x86/mm: x86/sgx: Signal SEGV_SGXERR for #PFs w/
 PF_SGX
Date: Mon, 1 Oct 2018 15:03:30 -0700
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To: Jethro Beekman <jethro@fortanix.com>, Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Cc: 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>
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On 10/01/2018 02:42 PM, 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.

Why?