From mboxrd@z Thu Jan  1 00:00:00 1970
From: Gleb Natapov <gleb@redhat.com>
Subject: Re: x86: use smp_send_reschedule in kvm_vcpu_kick
Date: Thu, 19 Mar 2009 09:38:49 +0200
Message-ID: <20090319073849.GB16774@redhat.com>
References: <20090303001405.GA5889@amt.cnet> <49B4ECB6.8060505@redhat.com> <20090309105855.GA14242@elte.hu> <1236596946.8389.340.camel@laptop> <20090309232350.GA6837@amt.cnet> <49B61E65.4070706@redhat.com> <706158FABBBA044BAD4FE898A02E4BC224451E95@pdsmsx503.ccr.corp.intel.com> <20090312110422.GB10892@redhat.com> <706158FABBBA044BAD4FE898A02E4BC224452426@pdsmsx503.ccr.corp.intel.com>
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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>
To: "Zhang, Xiantao" <xiantao.zhang@intel.com>
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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.

Signed-off-by: Gleb Natapov <gleb@redhat.com>
diff --git a/qemu/hw/ipf.c b/qemu/hw/ipf.c
index e2b53ee..bbe789a 100644
--- a/qemu/hw/ipf.c
+++ b/qemu/hw/ipf.c
@@ -700,7 +700,7 @@ void ioapic_set_irq(void *opaque, int irq_num, int level)
         ioapic_irq_count[vector] -= 1;
 
     if (kvm_enabled()) {
-	if (kvm_set_irq(vector, ioapic_irq_count[vector] == 0))
+	if (kvm_set_irq(vector, ioapic_irq_count[vector] == 0, NULL))
 	    return;
     }
 }
@@ -709,3 +709,17 @@ int ipf_map_irq(PCIDevice *pci_dev, int irq_num)
 {
 	return ioapic_map_irq(pci_dev->devfn, irq_num);
 }
+
+static int apic_irq_delivered;
+void apic_reset_irq_delivered(void)
+{
+    apic_irq_delivered = 0;
+}
+int apic_get_irq_delivered(void)
+{
+    return apic_irq_delivered;
+}
+void apic_set_irq_delivered(void)
+{
+    apic_irq_delivered = 1;
+}
diff --git a/qemu/target-ia64/cpu.h b/qemu/target-ia64/cpu.h
index 9bad6f6..5960bb9 100644
--- a/qemu/target-ia64/cpu.h
+++ b/qemu/target-ia64/cpu.h
@@ -29,7 +29,7 @@
 
 #define TARGET_LONG_BITS 64
 
-#define TARGET_PAGE_BITS 16
+#define TARGET_PAGE_BITS 14
 
 #define ELF_MACHINE	EM_IA_64
 
@@ -40,13 +40,14 @@
 #include "cpu-defs.h"
 
 #include "softfloat.h"
+#define CPUState struct CPUIA64State
+
 typedef struct CPUIA64State {
     CPU_COMMON;
     uint32_t hflags;
     int mp_state;
 } CPUIA64State;
 
-#define CPUState CPUIA64State
 #define cpu_gen_code cpu_ia64_gen_code
 #define cpu_init cpu_ia64_init
 #define cpu_signal_handler cpu_ia64_signal_handler
--
			Gleb.