[PATCH] Reserve low memory

2007-10-21 Thread Or Sagi
virtual machine control a dma-capable device directly without hypervisor involvement. Signed-off-by: Or Sagi <[EMAIL PROTECTED]> --- arch/x86/kernel/e820_64.c| 11 +++ arch/x86/kernel/head_64.S|8 arch/x86/kernel/setup_64.c |3 +++ arch/x86/kernel/suspen

[RFC] Deferred interrupt handling.

2007-07-18 Thread Or Sagi
Gentlepeople, We're currently working on PCI device pass-through support for KVM. In this model all physical hardware access to specific devices will be performed by the VM, and not by the host. In particular, this requires interrupt handling to be done by the guest -- The host shouldn't load the

RE: [kvm-devel] [RFC] Deferred interrupt handling.

2007-07-18 Thread Or Sagi
> Hope it should work like the following [Please correct me if I'm > wrong]: > - Make the device the last irqaction in the list > - Our dummy handler will always return IRQ_HANDLED in case any other > previous > irqaction did not return such. It will also issue the timer and mask > the irq in th