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Re: [Qemu-devel] [PATCH 06/22] ehci: Speed up the timer of raising int f
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From: |
Gerd Hoffmann |
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Subject: |
Re: [Qemu-devel] [PATCH 06/22] ehci: Speed up the timer of raising int from the async schedule |
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Date: |
Wed, 17 Oct 2012 13:37:37 +0200 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:10.0.8) Gecko/20121012 Thunderbird/10.0.8 |
Hi,
> 1) It causes migration issues when migrating to / from an old version
With -1 yes, shifting the scale shoudn't be a that big issue though as
it is just a optimization.
> 2) We don't want to change the wakeup rate when the interrupt flag gets set
> as pending, but when it actually gets committed, and we only want to change
> the wakeup rate when the int was requested by an async packet, not when it
> was requested by a periodic packet, so we will need the int_req_by_async
> flag anyways, as which point this seemed the cleanest way.
Missed that little details, ok then.
cheers,
Gerd
[Qemu-devel] [PATCH 02/22] uhci: Move checks to continue queuing to uhci_fill_queue(), Hans de Goede, 2012/10/15
[Qemu-devel] [PATCH 04/22] ehci: Set int flag on a short input packet, Hans de Goede, 2012/10/15
[Qemu-devel] [PATCH 07/22] ehci: Detect going in circles when filling the queue, Hans de Goede, 2012/10/15
[Qemu-devel] [PATCH 08/22] xhci: Add a xhci_ep_nuke_one_xfer helper function, Hans de Goede, 2012/10/15
[Qemu-devel] [PATCH 05/22] ehci: Improve latency of interrupt delivery and async schedule scanning, Hans de Goede, 2012/10/15
[Qemu-devel] [PATCH 10/22] usb: Add USB_RET_ADD_TO_QUEUE packet result code, Hans de Goede, 2012/10/15
[Qemu-devel] [PATCH 09/22] usb: Rename __usb_packet_complete to usb_packet_complete_one, Hans de Goede, 2012/10/15
[Qemu-devel] [PATCH 13/22] usb: Add an int_req flag to USBPacket, Hans de Goede, 2012/10/15