On 08/30/2011 04:15 AM, Tian, Kevin wrote:
v2 changes: define exit qualification fields for APIC-Access in vmx.h use apic_reg_write instead of apic_set_eoi, to avoid breaking tracing add fasteoi option to allow disabling this acceleration---- commit 2a66a12cb6928c962d24907e6d39b6eb9ac94b4b Author: Kevin Tian<[email protected]> Date: Mon Aug 29 13:08:28 2011 +0800 KVM: APIC: avoid instruction emulation for EOI writes Instruction emulation for EOI writes can be skipped, since sane guest simply uses MOV instead of string operations. This is a nice improvement when guest doesn't support x2apic or hyper-V EOI support. a single VM bandwidth is observed with ~8% bandwidth improvement (7.4Gbps->8Gbps), by saving ~5% cycles from EOI emulation.
Thanks, applied. Please use git format-patch (and git send-email) instead of git show in the future.
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