Displaying 12 results from an estimated 12 matches for "ec2y".
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2008 Jan 23
2
Parametric survival models with left truncated, right censored data
...d data would be
greatly appreciated.
Kind Regards,
Beth
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2007 Jun 28
5
One question on MMIO
In sh_page_fault(), there are some code like following, why we think it
is mmio only when paging_vcpu_mode_translate(v)?
Thanks
Yunhong Jiang
/* What mfn is the guest trying to access? */
gfn = guest_l1e_get_gfn(gw.eff_l1e);
gmfn = vcpu_gfn_to_mfn(v, gfn);
mmio = (is_hvm_domain(d)
&& paging_vcpu_mode_translate(v)
&&
2007 Aug 07
3
Why p2m allocation is from hap or shadow preallocated memory?
And can we make p2m memory allocation from domain heap directly?
-Xin
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2007 Dec 05
13
[PATCH] unshadow the page table page which are used as data page
The patch deals with the situation which guest OS uses unused page table
pages as data pages and write data to them. The pages will still be
grabbed by Xen as page table pages, and lots of unnecessary page faults
occur.
The patch will check if the data guest writes to the page table contains
valid mfn or not, if not, we believe it is a data page now and then
unshadow the page.
The patch
2007 Nov 28
20
Page tables in Xen
Hi,
I have a question about memory page tables in Xen. As far as I
understood, every modification
to page table will go through Xen(hypervisor). Is it so that all page
tables are actually allocated
in Xen(hypervisor) instead of guest OS(domain)? Also, is it the case
that Xen(hypervisor) needs to
maintain a page table for each process running in every domain?
Thanks
Haifeng
2007 Apr 11
1
heads-up: PV and HVM save routines in libxc have merged
...into a single xc_domain_save() function. I''ve tried to DTRT with the
IA64 version.
Cheers,
Tim.
--
Tim Deegan <Tim.Deegan@xensource.com>, XenSource UK Limited
Registered office c/o EC2Y 5EB, UK; company number 05334508
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2007 Jul 29
2
Execution Flow when Guest Page Fault
I would like to know approximately the overall execution flow when the guest O/S page fault - how is the page fault transfer to a page fault in the host O/S?
Thanks.
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2007 Apr 13
18
A different probklem with save/restore on C/S 14823.
I''m not seeing the problem that Fan Zhao is reporting, instead I get
this one. Not sure if ti''s the same one or a different problem... This
happens with my simple-guest [i.e. not using hvmloader, as I described
before]. This worked fine yesterday.
(XEN) event_channel.c:178:d0 EVTCHNOP failure: domain 0, error -22, line
178
(XEN) bad shared page: 0
(XEN) domain_crash_sync called
2005 Sep 12
0
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e...
2007 Jun 13
15
page table question!
I want to know any difference between writing, reading and shadow page
table (for example performance).
I am thankful for any help or resource for that.
--
Best Regards
Mohamad Taghi Mir Mohamad Rezaie
Iran University of Science and Technology
Department of Computer Science & Engineering
System Software Group
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2007 Sep 28
18
[makedumpfile] extract vmcoreinfo from /proc/vmcore for Xen
Hi,
--- background ----------------------------------------------------
* what the makedumpfile is:
To shorten the size of the dumpfile and the time of creating the
dumpfile, makedumpfile copies only the necessary pages for analysis
to the dumpfile from /proc/vmcore. You can specify the kind of
unnecessary pages with dump_level. If you want to shorten the size
further, enable the
2007 Jun 05
13
about VIRQ & PIRQ
about VIRQ & PIRQ
what is VIRQ ?How VIRQ is different from PIRQ ?How VIRQ & PIRQ are related each other ?
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