similar to: event channel in xenpaging

# HG changeset patch # User Olaf Hering <olaf@aepfle.de> # Date 1333120147 -7200 # Node ID 34d9828185501f6e7ea2c3c2a397176a8e54ef0a # Parent 80653c8ea1d19dfe6130396bbc77f766eb9f9fab xenpaging: add error code to indicate iommem passthrough Similar to the existing ENODEV and EXDEV error codes, add EMDEV to indicate that iommu passthrough is not compatible with paging. All error codes are

# HG changeset patch # User hongkaixing<hongkaixing@huawei.com> # Date 1325149704 -28800 # Node ID 052727b8165ce6e05002184ae894096214c8b537 # Parent 54a5e994a241a506900ee0e197bb42e5f1d8e759 xenpaging:add a new array to speed up page-in in xenpaging This patch adds a new array named page_out_index to reserve the victim''s index. When page in a page,it has to go through a for loop

# HG changeset patch # User h00166998@h00166998.china.huawei.com # Date 1328777881 -28800 # Node ID 68eae0b487aef8349f168518f56264ce61afb0a1 # Parent 9f4640e40d4f31563885427a5a8d9eae2e110514 xenpaging:add the dealing of MEM_EVENT_FLAG_EVICT_FAIL request in tools/xenpaging If a page is nominated but not evicted,then dom0 accesses the page,it will change the page''s p2mt to be

The following two patches are about how to speed up in xenpaging when page in pages. On suse11-64 with 4G memory,if we page out 2G pages,it will cost about 15.5 seconds, but take 2088 seconds to finish paging in.If page-in costs too much time,it will cause unmesurable problems when vm or dom0 access the paged_out page,such as BSOD,crash. What鈥檚 more,the dom0 is always in high I/O pressure.

The following two patches allow the parallel use of memsharing, xenpaging and xen-access by using an independent ring buffer for each feature. Please review. v2: - update mem_event_check_ring arguments, check domain rather than domain_id - check ring_full first because its value was just evaluated - check if ring buffer is initialized before calling mem_access_domctl/mem_paging_domctl

# HG changeset patch # User Roger Pau Monne <roger.pau@entel.upc.edu> # Date 1323768129 -3600 # Node ID 7697ee23b08b8eaca9aee4f6b79cf550a490bef7 # Parent 8a84f53376862427f254a017cb52c928dbdd3d32 xenpaging: remove XOPEN_SOURCE The XOPEN_SOURCE define was breaking the compilation under NetBSD. I''ve removed it becasue it is not necessary (at least under NetBSD). If it is necessary

Hi, Olaf we have tested the xenpaging feature and found some problems. (1) the test case like this : when we start a VM with POD enable, the xenpaging is started at the same time. this case will cause many problems ,finally, we fixed the BUG, the patch is attached below. (2) there is a very serious problem. we have observed many VM crash examples, the error code is not always the same.

Hi all, I''m trying to update my RPMs of 4.1.3 to work with 4.2.0, but I''m having some interesting problems with the packaging side of things. in 4.1.3, xenpaging was being built as /usr/sbin/xenpaging, however in 4.2.0 it is being built as /usr/lib/xen/bin/xenpaging. I''m currently using the following configure options in my .spec: ./configure --libdir=/%{_libdir}

# HG changeset patch # User h00166998@h00166998.china.huawei.com # Date 1329462865 -28800 # Node ID 9fd12f919ddbd15927117eff42149664dba698ca # Parent b75664e5390583c5d2075c82a14245bc941b3aaf x86/mm: Make sure the event channel is released accurately In xenpaging source code,there is an interdomain communication between dom0 and domU. In mem_event_enable(),the function

Patrick, there following patches fix xenpaging for me. Granttable handling is incomplete. If a page is gone, a GNTST_eagain should be returned to the caller to inidcate the hypercall has to be retried after a while, until the page is available again. Please review. Olaf _______________________________________________ Xen-devel mailing list Xen-devel@lists.xensource.com

Changes: tools/blktap: remove unneeded pointer dereferencing in convert_dev_name_to_num tools/blktap: constify string arrays in convert_dev_name_to_num tools/blktap: fix params and physical-device parsing tools/blktap: remove unneeded pointer dereferencing from img2qcow.c tools/blktap: remove unneeded pointer dereferencing from qcow2raw.c tools/blktap2: fix build errors caused by Werror in

This patch series adds support for preservation of the VM generation ID buffer address in xenstore across save/restore and migrate, and also code to increment the value in all cases except for migration. Patch 1 modifies the guest ro and rw node creation to an open coding style and cleans up some extraneous node creation. Patch 2 modifies creation of the hvmloader key in xenstore and adds

I''m attempting to compile Xen 4 on RHEL4. Yes, I know RHEL4 is old and I should upgrade, but certain application vendors who cannot seem to stay current within 5 years are forcing me to stick with some older versions. Anyway, I''m getting the following error: make -C xenpaging install make[3]: Entering directory `/usr/src/redhat/BUILD/xen-4.0.0/tools/xenpaging'' gcc

Hi, George sent a patch on this problem before, but it was not completed. This patch makes libxl use xenbus to communicate with xenstored if libxl cannot open a socket. There''s a place that does not close fd in the case of failure, which is also fixed in this patch. -----------------------------------------Patch------------------------------------------------------ diff -r eff592364826

This patch series adds support for preservation of the VM generation ID buffer address in xenstore across save/restore and migrate, and also code to increment the value in all cases except for migration. The first patch modifies creation of the hvmloader key in xenstore and adds creation of a new read/write hvmloader/generation-id-addr key. The second patch changes hvmloader to use the new key (as

Config.mk | 1 + tools/Makefile | 1 + tools/tests/Makefile | 20 ++++++++++++++++++++ 3 files changed, 22 insertions(+), 0 deletions(-) Build tests as part of the tools build. It is enabled with CONFIG_TESTS in Config.mk Currently disabled build of tests/regressions and tests/xen-access (in 32 bit mode) as they fail. Signed-off-by: Andres Lagar-Cavilla

Hi How do we get the number of page faults done by a guest in a scheduling epoch? Assuming only one VCPU per guest, can I get it from vcpu_info[]? I hope this is not a vey trivial question :) thanks Chintu -- View this message in context: http://xen.1045712.n5.nabble.com/Getting-the-page-fault-count-for-domU-tp4847541p4847541.html Sent from the Xen - Dev mailing list

* Introduce new variants of the logging functions which include errno values (converted using strerror) in the messages passed to the application''s logging callback. * Use the new errno-including logging functions everywhere where appropriate. In general, xc_... functions return errno values or 0; xs_... functions return 0 or -1 (or some such) setting errno. * When

Hello!. How can i use @releaseDomain from dom0 to subscribe for domain destruction? I''m try to add watch for @releaseDomain path with token equal of needed domain id. But when another domain dies, i get domain that i provide via token to xs_watch. Is that possible to get id of domain what released from xenstore? -- Vasiliy Tolstov, Clodo.ru e-mail: v.tolstov@selfip.ru jabber:

There has been some progress, but still no joy. Definitely not intended for inclusion at this point. Tim, Wei, I added a Xen command line toggle to disable IOMMU and P2M table sharing. Tim, I verified that changes to p2m-pt.c don''t break shadow mode (64bit hypervisor and Win 7 guest). Hongkaixing, I incorporated your suggestion in patch 2, so I should add your Signed-off-by eventually.