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[Qemu-devel] [PATCH v2 0/2] Support CPUID signature for TCG
From: |
Daniel P. Berrange |
Subject: |
[Qemu-devel] [PATCH v2 0/2] Support CPUID signature for TCG |
Date: |
Fri, 5 May 2017 15:27:41 +0100 |
This enables report of a signature in CPUID for the TCG
interpretor.
Changed in v2:
- Rewrite the way we bounds check / cap the CPUID index
to use a flat switch, instead of nested ifs (Eduardo)
- Add a 'tcg-cpuid' property to allow it to be hidden
(Eduardo)
- Hide the TCG signature for old machine types
- Force code to a no-op if tcg_enabled() is false (Eduardo)
NB, I did not introduce a general 'hypervisor-cpuid' property
to obsolete the existing 'kvm=off|on' -cpu property, since it
appears impossible to get the back compat semantics right,
as described in a previous reply.
Daniel P. Berrange (2):
i386: rewrite way CPUID index is validated
i386: expose "TCGTCGTCGTCG" in the 0x40000000 CPUID leaf
include/hw/i386/pc.h | 5 ++++
target/i386/cpu.c | 73 +++++++++++++++++++++++++++++++++++++++-------------
target/i386/cpu.h | 1 +
3 files changed, 61 insertions(+), 18 deletions(-)
--
2.9.3
- [Qemu-devel] [PATCH v2 0/2] Support CPUID signature for TCG,
Daniel P. Berrange <=