path: root/roms
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authorHaozhong Zhang <haozhong.zhang@intel.com>2015-11-24 11:33:57 +0800
committerEduardo Habkost <ehabkost@redhat.com>2016-01-21 12:47:16 -0200
commit36f96c4b6bd25f43000c317518ff3df10202bc75 (patch)
tree9d06b5464aa50dfd100e69f20a61f47cb32e774d /roms
parent5031283d5296dac8d410fa7b01fb6799ccfc76e9 (diff)
target-i386: Add support to migrate vcpu's TSC rate
This patch enables migrating vcpu's TSC rate. If KVM on the destination machine supports TSC scaling, guest programs will observe a consistent TSC rate across the migration. If TSC scaling is not supported on the destination machine, the migration will not be aborted and QEMU on the destination will not set vcpu's TSC rate to the migrated value. If vcpu's TSC rate specified by CPU option 'tsc-freq' on the destination machine is inconsistent with the migrated TSC rate, the migration will be aborted. For backwards compatibility, the migration of vcpu's TSC rate is disabled on pc-*-2.5 and older machine types. Signed-off-by: Haozhong Zhang <haozhong.zhang@intel.com> Reviewed-by: Eduardo Habkost <ehabkost@redhat.com> [ehabkost: Rewrote comment at kvm_arch_put_registers()] [ehabkost: Moved compat code to pc-2.5] Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Diffstat (limited to 'roms')
1 files changed, 0 insertions, 0 deletions
diff --git a/roms/seabios b/roms/seabios
-Subproject 01a84bea2d28a19d2405c1ecac4bdef17683cc0
+Subproject 33fbe13a3e2a01e0ba1087a8feed801a0451db2