Re: [Qemu-devel] Performance of usb tablet over ehci

2012-12-13 Thread luo_brian
I was using win7 32bit, and configured usb controller nec-xhci as well as usb tablet emulation. But it didn't work. Seems usb tablet failed to connect to xhci controller. 57 58 59 60 At 2012-12-12 16:29:20,"Gerd Hoffmann" wrote: > Hi, > >> In the end the problem stays that usb uses a pol

[Qemu-devel] Performance of usb tablet over ehci

2012-12-11 Thread luo_brian
I just noticed a patch recently submitted to qemu, attempting to lower the cpu load for idle vm using usb tablet emulation. This is the comment of commit 427e3aa151c749225364d0c30640e2e3c1756d9d: usb-tablet: Allow connecting to ehci Our ehci code has is capable of significantly lowering the wa