[Xen-changelog] [xen-unstable] [IA64] Use key in optimzation feature

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

# HG changeset patch
# User Alex Williamson <alex.williamson@xxxxxx>
# Date 1185833417 21600
# Node ID 85c2f2d754ef2a0f557470ff19518e1cf06310b5
# Parent  522a1932111f225bf4ab05d9260fc1f49160b0de
[IA64] Use key in optimzation feature

Added IA64_INST_KEY_MISS_VECTOR and IA64_DATA_KEY_MISS_VECTOR to
ia64_handle_reflection.  Added using the key in handling
XEN_IA64_OPTF_IDENT_MAP_REG7 in PV.

Signed-off-by: Dietmar Hahn <dietmar.hahn@xxxxxxxxxxxxxxxxxxx>
---
 xen/arch/ia64/xen/faults.c |    6 ++++++
 xen/arch/ia64/xen/vcpu.c   |    5 +++--
 2 files changed, 9 insertions(+), 2 deletions(-)

diff -r 522a1932111f -r 85c2f2d754ef xen/arch/ia64/xen/faults.c
--- a/xen/arch/ia64/xen/faults.c        Mon Jul 30 16:07:11 2007 -0600
+++ b/xen/arch/ia64/xen/faults.c        Mon Jul 30 16:10:17 2007 -0600
@@ -572,6 +572,12 @@ ia64_handle_reflection(unsigned long ifa
        BUG_ON(!(psr & IA64_PSR_CPL));
 
        switch (vector) {
+       case 6:
+               vector = IA64_INST_KEY_MISS_VECTOR;
+               break;
+       case 7:
+               vector = IA64_DATA_KEY_MISS_VECTOR;
+               break;
        case 8:
                vector = IA64_DIRTY_BIT_VECTOR;
                break;
diff -r 522a1932111f -r 85c2f2d754ef xen/arch/ia64/xen/vcpu.c
--- a/xen/arch/ia64/xen/vcpu.c  Mon Jul 30 16:07:11 2007 -0600
+++ b/xen/arch/ia64/xen/vcpu.c  Mon Jul 30 16:10:17 2007 -0600
@@ -1623,7 +1623,7 @@ IA64FAULT vcpu_translate(VCPU * vcpu, u6
                         u64 * pteval, u64 * itir, u64 * iha)
 {
        unsigned long region = address >> 61;
-       unsigned long pta, rid, rr;
+       unsigned long pta, rid, rr, key = 0;
        union pte_flags pte;
        TR_ENTRY *trp;
 
@@ -1716,6 +1716,7 @@ IA64FAULT vcpu_translate(VCPU * vcpu, u6
                    region == 7 && ia64_psr(regs)->cpl == CONFIG_CPL0_EMUL) {
                        pte.val = address & _PAGE_PPN_MASK;
                        pte.val = pte.val | optf->im_reg7.pgprot;
+                       key = optf->im_reg7.key;
                        goto out;
                }
                return is_data ? IA64_ALT_DATA_TLB_VECTOR :
@@ -1741,7 +1742,7 @@ IA64FAULT vcpu_translate(VCPU * vcpu, u6
 
        /* found mapping in guest VHPT! */
 out:
-       *itir = rr & RR_PS_MASK;
+       *itir = (rr & RR_PS_MASK) | (key << IA64_ITIR_KEY);
        *pteval = pte.val;
        perfc_incr(vhpt_translate);
        return IA64_NO_FAULT;

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