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[Xen-ia64-devel] [PATCH] Fix a bug for XEN_VIRT_UC_BIT use.
| To: | "xen-ia64-devel@xxxxxxxxxxxxxxxxxxx" <xen-ia64-devel@xxxxxxxxxxxxxxxxxxx> |
|---|---|
| Subject: | [Xen-ia64-devel] [PATCH] Fix a bug for XEN_VIRT_UC_BIT use. |
| From: | "Zhang, Xiantao" <xiantao.zhang@xxxxxxxxx> |
| Date: | Mon, 17 Nov 2008 11:20:49 +0800 |
| Accept-language: | en-US |
| Acceptlanguage: | en-US |
| Cc: | Isaku Yamahata <yamahata@xxxxxxxxxxxxx> |
| Delivery-date: | Sun, 16 Nov 2008 19:21:02 -0800 |
| Envelope-to: | www-data@xxxxxxxxxxxxxxxxxxx |
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| Thread-index: | AclIY30XtGCW3XTkS6e7I4UM+jFn2A== |
| Thread-topic: | [PATCH] Fix a bug for XEN_VIRT_UC_BIT use. |
Fix a bug for XEN_VIRT_UC_BIT use.
Signed-off-by : Zhang Xiantao <xiantao.zhang@xxxxxxxxx>
diff -r 9bc00e9716cd xen/arch/ia64/vmx/vmx_ivt.S
--- a/xen/arch/ia64/vmx/vmx_ivt.S Fri Nov 07 19:34:59 2008 +0900
+++ b/xen/arch/ia64/vmx/vmx_ivt.S Mon Nov 17 11:12:58 2008 +0800
@@ -314,7 +314,7 @@ vmx_alt_itlb_miss_vmm:
movl r19=(((1 << IA64_MAX_PHYS_BITS) - 1) & ~0xfff)
;;
and r19=r19,r16 // clear ed, reserved bits, and PTE control bits
- extr.u r18=r16,XEN_VIRT_UC_BIT, 15 // extract UC bit
+ extr.u r18=r16,XEN_VIRT_UC_BIT, 1 // extract UC bit
;;
or r19=r17,r19 // insert PTE control bits into r19
mov r20=IA64_GRANULE_SHIFT<<2
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