From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Date: Tue, 12 Dec 2017 15:07:50 +0100 From: Pavel Machek To: Jarkko Sakkinen Cc: platform-driver-x86@vger.kernel.org, x86@kernel.org, linux-kernel@vger.kernel.org, Borislav Petkov , "David S. Miller" , Greg Kroah-Hartman , Grzegorz Andrejczuk , Haim Cohen , Ingo Molnar , Janakarajan Natarajan , Jim Mattson , Kan Liang , "Kirill A. Shutemov" , Kyle Huey , Len Brown , "open list:DOCUMENTATION" , "open list:FILESYSTEMS (VFS and infrastructure)" , Mauro Carvalho Chehab , Paolo Bonzini , Piotr Luc , Radim Kr??m???? , Randy Dunlap , Sean Christopherson , Thomas Gleixner , Tom Lendacky , Vikas Shivappa Subject: Re: [PATCH v6 00/11] Intel SGX Driver Message-ID: <20171212140750.GA19663@localhost> References: <20171125193132.24321-1-jarkko.sakkinen@linux.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20171125193132.24321-1-jarkko.sakkinen@linux.intel.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: On Sat 2017-11-25 21:29:17, Jarkko Sakkinen wrote: > Intel(R) SGX is a set of CPU instructions that can be used by applications to > set aside private regions of code and data. The code outside the enclave is > disallowed to access the memory inside the enclave by the CPU access control. > In a way you can think that SGX provides inverted sandbox. It protects the > application from a malicious host. Would you list guarantees provided by SGX? For example, host can still observe timing of cachelines being accessed by "protected" app, right? Can it also introduce bit flips? Pavel