[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

[Xen-changelog] Merged.



# HG changeset patch
# User emellor@xxxxxxxxxxxxxxxxxxxxxx
# Node ID 237b2a4d2499fbb3c9105677afb36be1c36741f5
# Parent  d8c7f144ca5425f493447a8bdfab668c64feb5e9
# Parent  dc8122d906702a682dc896de44a32b7d27794586
Merged.

diff -r d8c7f144ca54 -r 237b2a4d2499 
linux-2.6-xen-sparse/drivers/xen/console/console.c
--- a/linux-2.6-xen-sparse/drivers/xen/console/console.c        Thu Dec 15 
13:49:07 2005
+++ b/linux-2.6-xen-sparse/drivers/xen/console/console.c        Thu Dec 15 
13:49:19 2005
@@ -628,6 +628,7 @@
        if (xencons_driver == NULL)
                return -ENOMEM;
 
+       DRV(xencons_driver)->name            = "xencons";
        DRV(xencons_driver)->major           = TTY_MAJOR;
        DRV(xencons_driver)->type            = TTY_DRIVER_TYPE_SERIAL;
        DRV(xencons_driver)->subtype         = SERIAL_TYPE_NORMAL;
diff -r d8c7f144ca54 -r 237b2a4d2499 xen/arch/ia64/vmx/vlsapic.c
--- a/xen/arch/ia64/vmx/vlsapic.c       Thu Dec 15 13:49:07 2005
+++ b/xen/arch/ia64/vmx/vlsapic.c       Thu Dec 15 13:49:19 2005
@@ -476,19 +476,20 @@
  * May come from virtualization fault or
  * nested host interrupt.
  */
-void vmx_vcpu_pend_interrupt(VCPU *vcpu, UINT64 vector)
+int vmx_vcpu_pend_interrupt(VCPU *vcpu, uint8_t vector)
 {
     uint64_t    spsr;
+    int ret;
 
     if (vector & ~0xff) {
         DPRINTK("vmx_vcpu_pend_interrupt: bad vector\n");
         return;
     }
     local_irq_save(spsr);
-    VCPU(vcpu,irr[vector>>6]) |= 1UL<<(vector&63);
-    //vlapic_update_shared_irr(vcpu);
+    ret = test_and_set_bit(vector, &VCPU(vcpu, irr[0]));
     local_irq_restore(spsr);
     vcpu->arch.irq_new_pending = 1;
+    return ret;
 }
 
 /*
@@ -505,7 +506,6 @@
     for (i=0 ; i<4; i++ ) {
         VCPU(vcpu,irr[i]) |= pend_irr[i];
     }
-    //vlapic_update_shared_irr(vcpu);
     local_irq_restore(spsr);
     vcpu->arch.irq_new_pending = 1;
 }
@@ -592,7 +592,6 @@
     VLSAPIC_INSVC(vcpu,vec>>6) |= (1UL <<(vec&63));
     VCPU(vcpu, irr[vec>>6]) &= ~(1UL <<(vec&63));
     update_vhpi(vcpu, NULL_VECTOR);     // clear VHPI till EOI or IRR write
-    //vlapic_update_shared_irr(vcpu);
     local_irq_restore(spsr);
     return (uint64_t)vec;
 }
diff -r d8c7f144ca54 -r 237b2a4d2499 xen/arch/x86/dm/vmx_vioapic.c
--- a/xen/arch/x86/dm/vmx_vioapic.c     Thu Dec 15 13:49:07 2005
+++ b/xen/arch/x86/dm/vmx_vioapic.c     Thu Dec 15 13:49:19 2005
@@ -306,14 +306,8 @@
     switch (delivery_mode) {
     case VLAPIC_DELIV_MODE_FIXED:
     case VLAPIC_DELIV_MODE_LPRI:
-        if (test_and_set_bit(vector, &VLAPIC_IRR(target)) && trig_mode == 1) {
-            /* the level interrupt should not happen before it is cleard */
+        if (vlapic_set_irq(target, vector, trig_mode) && (trig_mode == 1))
             printk("<ioapic_inj_irq> level interrupt happen before cleard\n");
-        }
-#ifndef __ia64__
-        if (trig_mode)
-            test_and_set_bit(vector, &target->tmr[0]);
-#endif
         result = 1;
         break;
     default:
diff -r d8c7f144ca54 -r 237b2a4d2499 xen/arch/x86/vmx.c
--- a/xen/arch/x86/vmx.c        Thu Dec 15 13:49:07 2005
+++ b/xen/arch/x86/vmx.c        Thu Dec 15 13:49:19 2005
@@ -503,6 +503,8 @@
     __vm_clear_bit(EXCEPTION_BITMAP, EXCEPTION_BITMAP_NM);
 }
 
+/* Reserved bits: [31:15], [12:11], [9], [6], [2:1] */
+#define VMX_VCPU_CPUID_L1_RESERVED 0xffff9a46 
 
 static void vmx_vmexit_do_cpuid(unsigned long input, struct cpu_user_regs 
*regs)
 {
@@ -537,6 +539,7 @@
         }
 
         /* Unsupportable for virtualised CPUs. */
+        ecx &= ~VMX_VCPU_CPUID_L1_RESERVED; /* mask off reserved bits */
         clear_bit(X86_FEATURE_VMXE & 31, &ecx);
         clear_bit(X86_FEATURE_MWAIT & 31, &ecx);
     }
@@ -1091,11 +1094,21 @@
     unsigned long eip;
     int paging_enabled;
     unsigned long vm_entry_value;
+    unsigned long old_cr0;
 
     /*
      * CR0: We don't want to lose PE and PG.
      */
-    paging_enabled = vmx_paging_enabled(v);
+    __vmread_vcpu(v, CR0_READ_SHADOW, &old_cr0);
+    paging_enabled = (old_cr0 & X86_CR0_PE) && (old_cr0 & X86_CR0_PG);
+    /* If OS don't use clts to clear TS bit...*/
+    if((old_cr0 & X86_CR0_TS) && !(value & X86_CR0_TS))
+    {
+            clts();
+            setup_fpu(v);
+    }
+
+
     __vmwrite(GUEST_CR0, value | X86_CR0_PE | X86_CR0_PG | X86_CR0_NE);
     __vmwrite(CR0_READ_SHADOW, value);
 
diff -r d8c7f144ca54 -r 237b2a4d2499 xen/include/asm-ia64/vmx_platform.h
--- a/xen/include/asm-ia64/vmx_platform.h       Thu Dec 15 13:49:07 2005
+++ b/xen/include/asm-ia64/vmx_platform.h       Thu Dec 15 13:49:19 2005
@@ -55,6 +55,12 @@
 #define VLAPIC_ID(l) (uint16_t)(VCPU((l)->vcpu, lid) >> 16)
 #define VLAPIC_IRR(l) VCPU((l)->vcpu, irr[0])
 
+extern int vmx_vcpu_pend_interrupt(struct vcpu *vcpu, uint8_t vector);
+static inline int vlapic_set_irq(struct vlapic *t, uint8_t vec, uint8_t trig)
+{
+    return vmx_vcpu_pend_interrupt(t->vcpu, vec);
+}
+
 /* As long as we register vlsapic to ioapic controller, it's said enabled */
 #define vlapic_enabled(l) 1
 #define vmx_apic_support(d) 1
diff -r d8c7f144ca54 -r 237b2a4d2499 xen/include/asm-ia64/vmx_vcpu.h
--- a/xen/include/asm-ia64/vmx_vcpu.h   Thu Dec 15 13:49:07 2005
+++ b/xen/include/asm-ia64/vmx_vcpu.h   Thu Dec 15 13:49:19 2005
@@ -112,7 +112,7 @@
 extern void guest_write_eoi(VCPU *vcpu);
 extern uint64_t guest_read_vivr(VCPU *vcpu);
 extern void vmx_inject_vhpi(VCPU *vcpu, u8 vec);
-extern void vmx_vcpu_pend_interrupt(VCPU *vcpu, UINT64 vector);
+extern int vmx_vcpu_pend_interrupt(VCPU *vcpu, uint8_t vector);
 extern struct virutal_platform_def *vmx_vcpu_get_plat(VCPU *vcpu);
 extern void memread_p(VCPU *vcpu, u64 *src, u64 *dest, size_t s);
 extern void memread_v(VCPU *vcpu, thash_data_t *vtlb, u64 *src, u64 *dest, 
size_t s);
@@ -474,4 +474,7 @@
 #endif 
 
 }
+
+#define check_work_pending(v)  \
+    (event_pending((v)) || ((v)->arch.irq_new_pending))
 #endif
diff -r d8c7f144ca54 -r 237b2a4d2499 xen/include/asm-x86/vmx_vlapic.h
--- a/xen/include/asm-x86/vmx_vlapic.h  Thu Dec 15 13:49:07 2005
+++ b/xen/include/asm-x86/vmx_vlapic.h  Thu Dec 15 13:49:19 2005
@@ -202,6 +202,18 @@
     struct domain      *domain;
 };
 
+static inline int vlapic_set_irq(struct vlapic *t, uint8_t vec, uint8_t trig)
+{
+    int ret;
+
+    ret = test_and_set_bit(vec, &t->irr[0]);
+    if (trig)
+       test_and_set_bit(vec, &t->tmr[0]);
+
+    /* We may need to wake up target vcpu, besides set pending bit here */
+    return ret;
+}
+
 static inline int  vlapic_timer_active(struct vlapic *vlapic)
 {
     return  active_ac_timer(&(vlapic->vlapic_timer));

_______________________________________________
Xen-changelog mailing list
Xen-changelog@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-changelog


 


Rackspace

Lists.xenproject.org is hosted with RackSpace, monitoring our
servers 24x7x365 and backed by RackSpace's Fanatical Support®.