I'd like to get sponsorship from the Device Drivers community to host a
project for the development of Interrupt Resource Management (IRM) for
OpenSolaris. The sponsorship is also requested in ON community. We think
IRM should be endorsed with both of Device Drivers and ON communities.
The implementation of Sparc part has already been integrated in Nevada.
The remain work includes the x86 part implementation and working with
device drivers to utilize this feature.
Attached is the proposal, please review.
Thanks,
-Evan
Synopsis
Interrupt Resource Management (IRM)
Sponsoring Community
Device Drivers
OS/NET (ON)
Initial team members
evan....@sun.com (preferred point of contact)
scott.car...@sun.com
govinda.ta...@sun.com
Description
IRM provides a mechanism for device drivers to get more interrupt
vectors (and increased performance). By participating with the new
feature, their number of available interrupts becomes dynamic and
can increase or decrease. The goal is to maximize utilization of
interrupt vectors in a fair manner, and rebalance the allocations
whenever devices are added or removed from the system.
Related Projects
It needs some effort in the device driver side to utilize the
feature IRM provides. Currently IRM project team and some device
driver team are working together to improve the drivers with IRM
feature.
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