> From: Avi Kivity [mailto:[email protected]] > Sent: Tuesday, August 30, 2011 6:57 PM > > 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. >
OK, and sorry for the formatting issue. Thanks Kevin -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
