Mailing List Archive

ChangeSet 1.1277.1.5, 2005/04/14 12:57:42-06:00, djm@kirby.fc.hp.com

xenasm.S, process.c:
properly pass shared page to domain for paravirtualization
Signed-off-by: Dan Magenheimer <dan.magenheimer@hp.com>



process.c | 7 ++++---
xenasm.S | 2 +-
2 files changed, 5 insertions(+), 4 deletions(-)


diff -Nru a/xen/arch/ia64/process.c b/xen/arch/ia64/process.c
--- a/xen/arch/ia64/process.c 2005-04-20 05:03:30 -04:00
+++ b/xen/arch/ia64/process.c 2005-04-20 05:03:30 -04:00
@@ -185,9 +185,10 @@

regs->cr_iip = ((unsigned long) PSCB(ed,iva) + vector) & ~0xffUL;
regs->cr_ipsr = (regs->cr_ipsr & ~DELIVER_PSR_CLR) | DELIVER_PSR_SET;
-// FIXME: NEED TO PASS PSCB, BUT **NOT** IN R31 WHICH IS BEING USED FOR ar.pr
-// IN ANY CASE, PASS PINNED ADDRESS, NOT THIS ONE
- //regs->r31 = (unsigned long) &PSCB(ed);
+#ifdef CONFIG_SMP
+#error "sharedinfo doesn't handle smp yet"
+#endif
+ regs->r31 = &((shared_info_t *)SHAREDINFO_ADDR)->vcpu_data[0].arch;

PSCB(ed,interrupt_delivery_enabled) = 0;
PSCB(ed,interrupt_collection_enabled) = 0;
diff -Nru a/xen/arch/ia64/xenasm.S b/xen/arch/ia64/xenasm.S
--- a/xen/arch/ia64/xenasm.S 2005-04-20 05:03:30 -04:00
+++ b/xen/arch/ia64/xenasm.S 2005-04-20 05:03:30 -04:00
@@ -190,7 +190,7 @@

movl r22=SHAREDINFO_ADDR
;;
- movl r25=PAGE_KERNEL
+ movl r25=PAGE_SHARED
;;
mov r21=loc5 // saved sharedinfo physical address
;;

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