** Tags added: qemu-19.04
** Also affects: qemu (Ubuntu)
Importance: Undecided
Status: New
** Changed in: qemu (Ubuntu)
Status: New => Triaged
** Changed in: xen (Ubuntu)
Status: New => Invalid
** Also affects: linux (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1782205
Title:
KVM SnowRidge enable new ISAs
Status in linux package in Ubuntu:
Incomplete
Status in qemu package in Ubuntu:
Triaged
Status in xen package in Ubuntu:
Invalid
Bug description:
Add KVM support for SnowRidge New Instructions: GFNI and CLDEMOT
GFNI: New instruction to compute an affine transformation in the Galois Field.
The instruction is described here:
https://software.intel.com/sites/default/files/managed/c5/15/architecture-instruction-set-extensions-programming-reference.pdf
CLDEMOT: New instruction to hint to hardware that a cache line is
likely to be shared. This is used to improve core-to-core
communication.
Upstream Target is Linux 4.20
Target Release: 19.04
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