# HG changeset patch
# User Alex Williamson <alex.williamson@xxxxxx>
# Date 1205171459 21600
# Node ID b45f3a99a4bb27a9497bdcb11da89883505d2c54
# Parent e6d6595d29f73dd4ee3ebc4b85c89104de456325
[IA64] Switch to VPS save/restore for HVM
Replace pal_vp_save/restore with vps_save/restore.
The latter have better performance.
Signed-off-by: Anthony Xu <anthony.xu@xxxxxxxxx>
---
xen/arch/ia64/vmx/vmx_init.c | 16 ++++------------
xen/include/asm-ia64/vmx_pal_vsa.h | 2 ++
2 files changed, 6 insertions(+), 12 deletions(-)
diff -r e6d6595d29f7 -r b45f3a99a4bb xen/arch/ia64/vmx/vmx_init.c
--- a/xen/arch/ia64/vmx/vmx_init.c Mon Mar 10 11:27:42 2008 -0600
+++ b/xen/arch/ia64/vmx/vmx_init.c Mon Mar 10 11:50:59 2008 -0600
@@ -52,6 +52,7 @@
#include <xen/event.h>
#include <asm/vlsapic.h>
#include <asm/vhpt.h>
+#include <asm/vmx_pal_vsa.h>
#include "entry.h"
/* Global flag to identify whether Intel vmx feature is on */
@@ -308,12 +309,8 @@ vmx_save_state(struct vcpu *v)
u64 status;
BUG_ON(v != current);
- /* FIXME: about setting of pal_proc_vector... time consuming */
- status = ia64_pal_vp_save((u64 *)v->arch.privregs, 0);
- if (status != PAL_STATUS_SUCCESS){
- panic_domain(vcpu_regs(v),"Save vp status failed\n");
- }
-
+
+ ia64_call_vsa(PAL_VPS_SAVE, v->arch.privregs, 0, 0, 0, 0, 0, 0);
/* Need to save KR when domain switch, though HV itself doesn;t
* use them.
@@ -332,17 +329,12 @@ void
void
vmx_load_state(struct vcpu *v)
{
- u64 status;
-
BUG_ON(v != current);
vmx_load_all_rr(v);
/* vmx_load_all_rr() pins down v->arch.privregs with both dtr/itr*/
- status = ia64_pal_vp_restore((u64 *)v->arch.privregs, 0);
- if (status != PAL_STATUS_SUCCESS){
- panic_domain(vcpu_regs(v),"Restore vp status failed\n");
- }
+ ia64_call_vsa(PAL_VPS_RESTORE, v->arch.privregs, 0, 0, 0, 0, 0, 0);
ia64_set_kr(0, v->arch.arch_vmx.vkr[0]);
ia64_set_kr(1, v->arch.arch_vmx.vkr[1]);
diff -r e6d6595d29f7 -r b45f3a99a4bb xen/include/asm-ia64/vmx_pal_vsa.h
--- a/xen/include/asm-ia64/vmx_pal_vsa.h Mon Mar 10 11:27:42 2008 -0600
+++ b/xen/include/asm-ia64/vmx_pal_vsa.h Mon Mar 10 11:50:59 2008 -0600
@@ -38,6 +38,8 @@ extern u64 __vsa_base;
#define PAL_VPS_SET_PENDING_INTERRUPT 0x1000
#define PAL_VPS_THASH 0x1400
#define PAL_VPS_TTAG 0x1800
+#define PAL_VPS_RESTORE 0x1c00
+#define PAL_VPS_SAVE 0x2000
#endif /* _PAL_VSA_H_ */
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