[Xen-changelog] [xen-unstable] [IA64] Virtualize dom0 lid

[Xen patchbot-unstable <patchbot-unstable@xxxxxxxxxxxxxxxxxxx>]

# HG changeset patch
# User awilliam@xxxxxxxxxxx
# Node ID 3f3388f3e6055419c09931a44c3a26d19a4ab9dd
# Parent  555eb7402bd8f6aed5e3f06811f8ebb1ab688c7b
[IA64] Virtualize dom0 lid

Because dom0 can't write eid/id into iosapics, lid can be virtualized.

Signed-off-by: Tristan Gingold <tristan.gingold@xxxxxxxx>
---
 xen/arch/ia64/xen/dom_fw.c |    4 ++++
 xen/arch/ia64/xen/vcpu.c   |    8 ++------
 2 files changed, 6 insertions(+), 6 deletions(-)

diff -r 555eb7402bd8 -r 3f3388f3e605 xen/arch/ia64/xen/dom_fw.c
--- a/xen/arch/ia64/xen/dom_fw.c        Tue Aug 08 14:38:10 2006 -0600
+++ b/xen/arch/ia64/xen/dom_fw.c        Tue Aug 08 14:40:57 2006 -0600
@@ -253,10 +253,14 @@ acpi_update_lsapic (acpi_table_entry_hea
                enable = 0;
        if (lsapic->flags.enabled && enable) {
                printk("enable lsapic entry: 0x%lx\n", (u64)lsapic);
+               lsapic->id = lsapic_nbr;
+               lsapic->eid = 0;
                lsapic_nbr++;
        } else if (lsapic->flags.enabled) {
                printk("DISABLE lsapic entry: 0x%lx\n", (u64)lsapic);
                lsapic->flags.enabled = 0;
+               lsapic->id = 0;
+               lsapic->eid = 0;
        }
        return 0;
 }
diff -r 555eb7402bd8 -r 3f3388f3e605 xen/arch/ia64/xen/vcpu.c
--- a/xen/arch/ia64/xen/vcpu.c  Tue Aug 08 14:38:10 2006 -0600
+++ b/xen/arch/ia64/xen/vcpu.c  Tue Aug 08 14:40:57 2006 -0600
@@ -763,12 +763,8 @@ UINT64 vcpu_deliverable_timer(VCPU *vcpu
 
 IA64FAULT vcpu_get_lid(VCPU *vcpu, UINT64 *pval)
 {
-       /* Use real LID for domain0 until vIOSAPIC is present.
-          Use EID=0, ID=vcpu_id for domU.  */
-       if (vcpu->domain == dom0)
-               *pval = ia64_getreg(_IA64_REG_CR_LID);
-       else
-               *pval = vcpu->vcpu_id << 24;
+       /* Use EID=0, ID=vcpu_id.  */
+       *pval = vcpu->vcpu_id << 24;
        return IA64_NO_FAULT;
 }
 

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