Re: x86: use smp_send_reschedule in kvm_vcpu_kick

From: Gleb Natapov <gleb@redhat.com>
To: "Zhang, Xiantao" <xiantao.zhang@intel.com>
Cc: Avi Kivity <avi@redhat.com>,
	Marcelo Tosatti <mtosatti@redhat.com>,
	Ingo Molnar <mingo@elte.hu>,
	"kvm@vger.kernel.org" <kvm@vger.kernel.org>,
	Peter Zijlstra <peter@programming.kicks-ass.net>
Subject: Re: x86: use smp_send_reschedule in kvm_vcpu_kick
Date: Thu, 19 Mar 2009 10:11:32 +0200	[thread overview]
Message-ID: <20090319081132.GC16774@redhat.com> (raw)
In-Reply-To: <706158FABBBA044BAD4FE898A02E4BC2244A8A2F@pdsmsx503.ccr.corp.intel.com>

On Thu, Mar 19, 2009 at 03:56:07PM +0800, Zhang, Xiantao wrote:
> Gleb Natapov wrote:
> > On Fri, Mar 13, 2009 at 10:15:22AM +0800, Zhang, Xiantao wrote:
> >> We also hacked the source like the patch. But the issue is not
> >> caused by it. We are still trying to figure the reason out. Thanks!
> >> Xiantao  
> >> 
> > 
> > With the patch below I am able to compile kvm-userspace on IA64 and
> > run linux guest. 
> >Network doesn't work since there is some kind of
> > problem with PCI interrupts. They are not delivered to a guest.
> 
> Network should work before kvm-82, and not sure latest irq-bits changes has some side-impact for ipf side.
> You can reference ioapic_map_irq in ipf.c, and the mapping should match the PRT of bios.  
> 
Can you send me your Flash.fd?

> > @@ -29,7 +29,7 @@
> > 
> >  #define TARGET_LONG_BITS 64
> > 
> > -#define TARGET_PAGE_BITS 16
> > +#define TARGET_PAGE_BITS 14
> 
> If the host kernel's page size is 64k ,bits should be 16, and 16k with 14.  We may reference kernel's page size here.  
It should be determined by configure script. I am not sure PAGE_SIZE
define is exported to userspace.

--
			Gleb.