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[Qemu-devel] [PATCH 1/7] qemu-doc: Document minimum kernel version for K
From: |
Eduardo Habkost |
Subject: |
[Qemu-devel] [PATCH 1/7] qemu-doc: Document minimum kernel version for KVM in x86_64 |
Date: |
Fri, 6 Oct 2017 18:52:38 -0300 |
The default set of KVM CPU features require the host kernel to
support them. KVM_PV_EOI is the newest one, and was included on
Linux v3.6 (Linux commit ae7a2a3f).
Running on an old host might break management software
expectations because the latest machine-type won't be runnable
while older machine-types might be runnable. Document v3.6 as
the minimum kernel version for KVM on x86_64.
Signed-off-by: Eduardo Habkost <address@hidden>
---
qemu-doc.texi | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/qemu-doc.texi b/qemu-doc.texi
index ecd186a159..be45b6b6f6 100644
--- a/qemu-doc.texi
+++ b/qemu-doc.texi
@@ -37,6 +37,7 @@
* QEMU System emulator for non PC targets::
* QEMU Guest Agent::
* QEMU User space emulator::
+* System requirements::
* Implementation notes::
* Deprecated features::
* License::
@@ -2348,6 +2349,14 @@ Act as if the host page size was 'pagesize' bytes
Run the emulation in single step mode.
@end table
address@hidden System requirements
address@hidden System requirements
+
address@hidden KVM kernel module
+
+On x86_64 hosts, the default set of CPU features enabled by the KVM accelerator
+require the host to be running Linux v3.6 or newer.
+
@include qemu-tech.texi
--
2.13.6
- [Qemu-devel] [PATCH 0/7] x86: Rework KVM-defaults compat code, enable kvm_pv_unhalt by default, Eduardo Habkost, 2017/10/06
- [Qemu-devel] [PATCH 1/7] qemu-doc: Document minimum kernel version for KVM in x86_64,
Eduardo Habkost <=
- [Qemu-devel] [PATCH 2/7] target/i386: x86_cpu_expand_feature() helper, Eduardo Habkost, 2017/10/06
- [Qemu-devel] [PATCH 3/7] target/i386: Use global variables to control KVM defaults, Eduardo Habkost, 2017/10/06
- [Qemu-devel] [PATCH 4/7] kvm: Define KVM_FEAT_* even if CONFIG_KVM is not defined, Eduardo Habkost, 2017/10/06
- [Qemu-devel] [PATCH 5/7] target/i386: Handle kvm_auto_* compat in x86_cpu_expand_features(), Eduardo Habkost, 2017/10/06
- [Qemu-devel] [PATCH 6/7] pc: Use compat_props to control KVM defaults compatibility, Eduardo Habkost, 2017/10/06
- [Qemu-devel] [PATCH 7/7] target/i386: Enable kvm_pv_unhalt by default, Eduardo Habkost, 2017/10/06