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RE: [Xen-users] Where do System calls go?
| To: | <helicoterus-elih@xxxxxxxx>, "xen list" <xen-users@xxxxxxxxxxxxxxxxxxx> |
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| Subject: | RE: [Xen-users] Where do System calls go? |
| From: | "Amit Dang" <amitd@xxxxxxxxxxxxx> |
| Date: | Fri, 1 May 2009 10:49:26 -0700 |
| Cc: | |
| Delivery-date: | Fri, 01 May 2009 12:35:09 -0700 |
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| Thread-topic: | [Xen-users] Where do System calls go? |
-----Original Message----- From: xen-users-bounces@xxxxxxxxxxxxxxxxxxx [mailto:xen-users-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of helicoterus-elih@xxxxxxxx Sent: Friday, May 01, 2009 5:24 PM To: xen list Subject: Re: [Xen-users] Where do System calls go? Thanks, and what about hvm domU? How do the system calls work? For HVM domU there is no change in the behavior of the system call. HVM is only supported for Intel-VT and AMD-SVM processors. These processors are virtualization aware. Virtualization aware processors provide a new ring (Root-Ring 0) with higher privilege for VMM and Guest OS continues to runs with the same privilege (as without Xen) in Non-Root Ring 0. Guest OS can issue the system calls the way it used to without Xen. Hope this helps. Dang _______________________________________________ Xen-users mailing list Xen-users@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-users _______________________________________________ Xen-users mailing list Xen-users@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-users |
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