Re: [RFC v2 04/13] x86/mm: Add helper functions for MKTME memory encryption keys

[RFC v2 00/13] Multi-Key Total Memory Encryption API (MKTME) · Alison Schofield <alison.schofield@intel.com> · 2018-12-04
[RFC v2 02/13] mm: Generalize the mprotect implementation to support extensions · Alison Schofield <alison.schofield@intel.com> · 2018-12-04
Re: [RFC v2 02/13] mm: Generalize the mprotect implementation to support extensions · Sakkinen, Jarkko <hidden> · 2018-12-06
[RFC v2 01/13] x86/mktme: Document the MKTME APIs · Alison Schofield <alison.schofield@intel.com> · 2018-12-04
Re: [RFC v2 01/13] x86/mktme: Document the MKTME APIs · Andy Lutomirski <luto@amacapital.net> · 2018-12-05
Re: [RFC v2 01/13] x86/mktme: Document the MKTME APIs · Alison Schofield <alison.schofield@intel.com> · 2018-12-05
Re: [RFC v2 01/13] x86/mktme: Document the MKTME APIs · Andy Lutomirski <luto@kernel.org> · 2018-12-05
Re: [RFC v2 01/13] x86/mktme: Document the MKTME APIs · Sakkinen, Jarkko <hidden> · 2018-12-06
[RFC v2 03/13] syscall/x86: Wire up a new system call for memory encryption keys · Alison Schofield <alison.schofield@intel.com> · 2018-12-04
[RFC v2 08/13] mm: Use reference counting for encrypted VMAs · Alison Schofield <alison.schofield@intel.com> · 2018-12-04
[RFC v2 04/13] x86/mm: Add helper functions for MKTME memory encryption keys · Alison Schofield <alison.schofield@intel.com> · 2018-12-04
Re: [RFC v2 04/13] x86/mm: Add helper functions for MKTME memory encryption keys · Peter Zijlstra <peterz@infradead.org> · 2018-12-04
Re: [RFC v2 04/13] x86/mm: Add helper functions for MKTME memory encryption keys · Alison Schofield <alison.schofield@intel.com> · 2018-12-05
Re: [RFC v2 04/13] x86/mm: Add helper functions for MKTME memory encryption keys · Andy Lutomirski <luto@amacapital.net> · 2018-12-04
Re: [RFC v2 04/13] x86/mm: Add helper functions for MKTME memory encryption keys · Alison Schofield <alison.schofield@intel.com> · 2018-12-05
Re: [RFC v2 04/13] x86/mm: Add helper functions for MKTME memory encryption keys · Sakkinen, Jarkko <hidden> · 2018-12-06
[RFC v2 07/13] x86/mm: Add helpers for reference counting encrypted VMAs · Alison Schofield <alison.schofield@intel.com> · 2018-12-04
Re: [RFC v2 07/13] x86/mm: Add helpers for reference counting encrypted VMAs · Peter Zijlstra <peterz@infradead.org> · 2018-12-04
Re: [RFC v2 07/13] x86/mm: Add helpers for reference counting encrypted VMAs · Alison Schofield <alison.schofield@intel.com> · 2018-12-05
[RFC v2 05/13] x86/mm: Set KeyIDs in encrypted VMAs · Alison Schofield <alison.schofield@intel.com> · 2018-12-04
Re: [RFC v2 05/13] x86/mm: Set KeyIDs in encrypted VMAs · Sakkinen, Jarkko <hidden> · 2018-12-06
[RFC v2 09/13] mm: Restrict memory encryption to anonymous VMA's · Alison Schofield <alison.schofield@intel.com> · 2018-12-04
Re: [RFC v2 09/13] mm: Restrict memory encryption to anonymous VMA's · Peter Zijlstra <peterz@infradead.org> · 2018-12-04
Re: [RFC v2 09/13] mm: Restrict memory encryption to anonymous VMA's · Alison Schofield <alison.schofield@intel.com> · 2018-12-05
Re: [RFC v2 09/13] mm: Restrict memory encryption to anonymous VMA's · Peter Zijlstra <peterz@infradead.org> · 2018-12-05
[RFC v2 12/13] keys/mktme: Save MKTME data if kernel cmdline parameter allows · Alison Schofield <alison.schofield@intel.com> · 2018-12-04
Re: [RFC v2 12/13] keys/mktme: Save MKTME data if kernel cmdline parameter allows · Peter Zijlstra <peterz@infradead.org> · 2018-12-04
Re: [RFC v2 12/13] keys/mktme: Save MKTME data if kernel cmdline parameter allows · Huang, Kai <hidden> · 2018-12-07
Re: [RFC v2 12/13] keys/mktme: Save MKTME data if kernel cmdline parameter allows · Alison Schofield <alison.schofield@intel.com> · 2018-12-07
Re: [RFC v2 12/13] keys/mktme: Save MKTME data if kernel cmdline parameter allows · Jarkko Sakkinen <hidden> · 2018-12-07
Re: [RFC v2 12/13] keys/mktme: Save MKTME data if kernel cmdline parameter allows · Jarkko Sakkinen <hidden> · 2018-12-07
Re: [RFC v2 12/13] keys/mktme: Save MKTME data if kernel cmdline parameter allows · Kirill A. Shutemov <hidden> · 2018-12-07
[RFC v2 11/13] keys/mktme: Program memory encryption keys on a system wide basis · Alison Schofield <alison.schofield@intel.com> · 2018-12-04
Re: [RFC v2 11/13] keys/mktme: Program memory encryption keys on a system wide basis · Peter Zijlstra <peterz@infradead.org> · 2018-12-04
Re: [RFC v2 11/13] keys/mktme: Program memory encryption keys on a system wide basis · Kirill A. Shutemov <hidden> · 2018-12-04
Re: [RFC v2 11/13] keys/mktme: Program memory encryption keys on a system wide basis · Alison Schofield <alison.schofield@intel.com> · 2018-12-05
Re: [RFC v2 11/13] keys/mktme: Program memory encryption keys on a system wide basis · Alison Schofield <alison.schofield@intel.com> · 2018-12-05
Re: [RFC v2 11/13] keys/mktme: Program memory encryption keys on a system wide basis · Peter Zijlstra <peterz@infradead.org> · 2018-12-05
Re: [RFC v2 11/13] keys/mktme: Program memory encryption keys on a system wide basis · Alison Schofield <alison.schofield@intel.com> · 2018-12-05
[RFC v2 10/13] keys/mktme: Add the MKTME Key Service type for memory encryption · Alison Schofield <alison.schofield@intel.com> · 2018-12-04
Re: [RFC v2 10/13] keys/mktme: Add the MKTME Key Service type for memory encryption · Sakkinen, Jarkko <hidden> · 2018-12-06
Re: [RFC v2 10/13] keys/mktme: Add the MKTME Key Service type for memory encryption · Sakkinen, Jarkko <hidden> · 2018-12-06
Re: [RFC v2 10/13] keys/mktme: Add the MKTME Key Service type for memory encryption · Dave Hansen <hidden> · 2018-12-06
Re: [RFC v2 10/13] keys/mktme: Add the MKTME Key Service type for memory encryption · Sakkinen, Jarkko <hidden> · 2018-12-06
[RFC v2 13/13] keys/mktme: Support CPU Hotplug for MKTME keys · Alison Schofield <alison.schofield@intel.com> · 2018-12-04
Re: [RFC v2 13/13] keys/mktme: Support CPU Hotplug for MKTME keys · Peter Zijlstra <peterz@infradead.org> · 2018-12-04
Re: [RFC v2 13/13] keys/mktme: Support CPU Hotplug for MKTME keys · Alison Schofield <alison.schofield@intel.com> · 2018-12-05
Re: [RFC v2 13/13] keys/mktme: Support CPU Hotplug for MKTME keys · Peter Zijlstra <peterz@infradead.org> · 2018-12-04
Re: [RFC v2 13/13] keys/mktme: Support CPU Hotplug for MKTME keys · Alison Schofield <alison.schofield@intel.com> · 2018-12-05
[RFC v2 06/13] mm: Add the encrypt_mprotect() system call · Alison Schofield <alison.schofield@intel.com> · 2018-12-04
Re: [RFC v2 06/13] mm: Add the encrypt_mprotect() system call · Sakkinen, Jarkko <hidden> · 2018-12-06
Re: [RFC v2 00/13] Multi-Key Total Memory Encryption API (MKTME) · Peter Zijlstra <peterz@infradead.org> · 2018-12-04
Re: [RFC v2 00/13] Multi-Key Total Memory Encryption API (MKTME) · Kirill A. Shutemov <hidden> · 2018-12-04
Re: [RFC v2 00/13] Multi-Key Total Memory Encryption API (MKTME) · Sakkinen, Jarkko <hidden> · 2018-12-05
Re: [RFC v2 00/13] Multi-Key Total Memory Encryption API (MKTME) · Kirill A. Shutemov <hidden> · 2018-12-06
Re: [RFC v2 00/13] Multi-Key Total Memory Encryption API (MKTME) · Dave Hansen <hidden> · 2018-12-06
Re: [RFC v2 00/13] Multi-Key Total Memory Encryption API (MKTME) · Huang, Kai <hidden> · 2018-12-07
Re: [RFC v2 00/13] Multi-Key Total Memory Encryption API (MKTME) · Sakkinen, Jarkko <hidden> · 2018-12-06
Re: [RFC v2 00/13] Multi-Key Total Memory Encryption API (MKTME) · Kirill A. Shutemov <hidden> · 2018-12-07
Re: [RFC v2 00/13] Multi-Key Total Memory Encryption API (MKTME) · Andy Lutomirski <luto@kernel.org> · 2018-12-04
Re: [RFC v2 00/13] Multi-Key Total Memory Encryption API (MKTME) · Andy Lutomirski <luto@kernel.org> · 2018-12-04
Re: [RFC v2 00/13] Multi-Key Total Memory Encryption API (MKTME) · Dave Hansen <hidden> · 2018-12-04
Re: [RFC v2 00/13] Multi-Key Total Memory Encryption API (MKTME) · Sakkinen, Jarkko <hidden> · 2018-12-05
Re: [RFC v2 00/13] Multi-Key Total Memory Encryption API (MKTME) · Huang, Kai <hidden> · 2018-12-07
Re: [RFC v2 00/13] Multi-Key Total Memory Encryption API (MKTME) · Jarkko Sakkinen <hidden> · 2018-12-07
Re: [RFC v2 00/13] Multi-Key Total Memory Encryption API (MKTME) · Kirill A. Shutemov <hidden> · 2018-12-07
Re: [RFC v2 00/13] Multi-Key Total Memory Encryption API (MKTME) · Sakkinen, Jarkko <hidden> · 2018-12-07
Re: [RFC v2 00/13] Multi-Key Total Memory Encryption API (MKTME) · Sakkinen, Jarkko <hidden> · 2018-12-07
Re: [RFC v2 00/13] Multi-Key Total Memory Encryption API (MKTME) · Andy Lutomirski <luto@kernel.org> · 2018-12-07
Re: [RFC v2 00/13] Multi-Key Total Memory Encryption API (MKTME) · Huang, Kai <hidden> · 2018-12-08
Re: [RFC v2 00/13] Multi-Key Total Memory Encryption API (MKTME) · Sakkinen, Jarkko <hidden> · 2018-12-08
Re: [RFC v2 00/13] Multi-Key Total Memory Encryption API (MKTME) · Sakkinen, Jarkko <hidden> · 2018-12-12
Re: [RFC v2 00/13] Multi-Key Total Memory Encryption API (MKTME) · Andy Lutomirski <luto@kernel.org> · 2018-12-12
Re: [RFC v2 00/13] Multi-Key Total Memory Encryption API (MKTME) · Sakkinen, Jarkko <hidden> · 2018-12-12
RE: [RFC v2 00/13] Multi-Key Total Memory Encryption API (MKTME) · Huang, Kai <hidden> · 2018-12-12
Re: [RFC v2 00/13] Multi-Key Total Memory Encryption API (MKTME) · Sakkinen, Jarkko <hidden> · 2018-12-13
Re: [RFC v2 00/13] Multi-Key Total Memory Encryption API (MKTME) · Sakkinen, Jarkko <hidden> · 2018-12-13
RE: [RFC v2 00/13] Multi-Key Total Memory Encryption API (MKTME) · Huang, Kai <hidden> · 2018-12-12
Re: [RFC v2 00/13] Multi-Key Total Memory Encryption API (MKTME) · Eric Rannaud <hidden> · 2018-12-07
Re: [RFC v2 00/13] Multi-Key Total Memory Encryption API (MKTME) · Dave Hansen <hidden> · 2018-12-05
Re: [RFC v2 00/13] Multi-Key Total Memory Encryption API (MKTME) · Andy Lutomirski <luto@kernel.org> · 2018-12-06
Re: [RFC v2 00/13] Multi-Key Total Memory Encryption API (MKTME) · Dan Williams <hidden> · 2018-12-06
Re: [RFC v2 00/13] Multi-Key Total Memory Encryption API (MKTME) · Dave Hansen <hidden> · 2018-12-06
Re: [RFC v2 00/13] Multi-Key Total Memory Encryption API (MKTME) · Andy Lutomirski <luto@kernel.org> · 2018-12-06
Re: [RFC v2 00/13] Multi-Key Total Memory Encryption API (MKTME) · Dave Hansen <hidden> · 2018-12-06
Re: [RFC v2 00/13] Multi-Key Total Memory Encryption API (MKTME) · Huang, Kai <hidden> · 2018-12-07
Re: [RFC v2 00/13] Multi-Key Total Memory Encryption API (MKTME) · Dave Hansen <hidden> · 2018-12-07
Re: [RFC v2 00/13] Multi-Key Total Memory Encryption API (MKTME) · Andy Lutomirski <luto@kernel.org> · 2018-12-07
Re: [RFC v2 00/13] Multi-Key Total Memory Encryption API (MKTME) · Dave Hansen <hidden> · 2018-12-08
Re: [RFC v2 00/13] Multi-Key Total Memory Encryption API (MKTME) · Huang, Kai <hidden> · 2018-12-08
Re: [RFC v2 00/13] Multi-Key Total Memory Encryption API (MKTME) · Sakkinen, Jarkko <hidden> · 2018-12-05

From: Andy Lutomirski <luto@amacapital.net>
Date: 2018-12-04 15:35:55
Also in: keyrings, linux-mm

On Dec 3, 2018, at 11:39 PM, Alison Schofield [off-list ref] wrote:

Define a global mapping structure to manage the mapping of userspace
Keys to hardware KeyIDs in MKTME (Multi-Key Total Memory Encryption).
Implement helper functions that access this mapping structure.

Why is a key “void *”?  Who owns the memory?  Can a real type be used?

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