search for: create_grant_host_map

Displaying 7 results from an estimated 7 matches for "create_grant_host_map".

2007 Oct 03
0
[PATCH 3/3] TLB flushing and IO memory mapping
...PGT_writable_page))) ) - { - if ( !rd->is_dying ) - gdprintk(XENLOG_WARNING, "Could not pin grant frame %lx\n", frame); - rc = GNTST_general_error; - goto undo_out; - } - - if ( op->flags & GNTMAP_host_map ) - { - rc = create_grant_host_mapping(op->host_addr, frame, op- >flags); - if ( rc != GNTST_okay ) - { - if ( !(op->flags & GNTMAP_readonly) ) - put_page_type(mfn_to_page(frame)); - put_page(mfn_to_page(frame)); + if ( op->flags & GNTMAP_host_map ) + { +...
2007 Jul 13
12
XEN 3.1: critical bug: vif init failure after creating 15-17 VMs (XENBUS: Timeout connecting to device: device/vif)
We have found a critical problem with the XEN 3.1 release (for those who are running 15-20 VMs on a single server). We are using the official XEN 3.1 release on a rackable server (Dual-Core AMD Opteron, 8GB RAM). The problem we are seeing is that intermittently vifs fail to work properly in VMs after we create around 15-17 VMs on our server (all running at the same time, created one by
2007 Jul 02
3
Walking an HVM''s shadow page tables and other memory management questions.
Hello, I''m new to Xen and especially to the hypervisor code. I''m working off a 3.0.4.1 base and have the following questions regarding the memory management code for an x86, 32-bit platform (capable of supporting PAE). I''m doing some research into providing grant table hypercall support from a Windows 2003 HVM. I have made all the necessary changes to allow the
2007 Mar 20
62
RFC: [0/2] Remove netloop by lazy copying in netback
Hi Keir: These two patches remove the need for netloop by performing the copying in netback and only if it is necessary. The rationale is that most packets will be processed without delay allowing them to be freed without copying at all. So instead of copying every packet destined to dom0 we''ll only copy those that linger longer than a specified amount of time (currently 0.5s). As it
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
2012 Jan 09
39
[PATCH v4 00/25] xen: ARMv7 with virtualization extensions
Hello everyone, this is the fourth version of the patch series that introduces ARMv7 with virtualization extensions support in Xen. The series allows Xen and Dom0 to boot on a Cortex-A15 based Versatile Express simulator. See the following announce email for more informations about what we are trying to achieve, as well as the original git history: See
2011 Dec 06
57
[PATCH RFC 00/25] xen: ARMv7 with virtualization extensions
Hello everyone, this is the very first version of the patch series that introduces ARMv7 with virtualization extensions support in Xen. The series allows Xen and Dom0 to boot on a Cortex-A15 based Versatile Express simulator. See the following announce email for more informations about what we are trying to achieve, as well as the original git history: See