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authorYang Zhang <yang.z.zhang@Intel.com>2013-01-25 06:18:50 +0400
committerGleb Natapov <gleb@redhat.com>2013-01-29 12:48:06 +0400
commit8d14695f9542e9e0195d6e41ddaa52c32322adf5 (patch)
tree30d723f19e2c13881f073280d6a3476549d15f83 /virt
parent83d4c286931c9d28c5be21bac3c73a2332cab681 (diff)
downloadlinux-8d14695f9542e9e0195d6e41ddaa52c32322adf5.tar.xz
x86, apicv: add virtual x2apic support
basically to benefit from apicv, we need to enable virtualized x2apic mode. Currently, we only enable it when guest is really using x2apic. Also, clear MSR bitmap for corresponding x2apic MSRs when guest enabled x2apic: 0x800 - 0x8ff: no read intercept for apicv register virtualization, except APIC ID and TMCCT which need software's assistance to get right value. Reviewed-by: Marcelo Tosatti <mtosatti@redhat.com> Signed-off-by: Kevin Tian <kevin.tian@intel.com> Signed-off-by: Yang Zhang <yang.z.zhang@Intel.com> Signed-off-by: Gleb Natapov <gleb@redhat.com>
Diffstat (limited to 'virt')
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