similar to: [PATCH][7/17] USB virt 2.6 split driver---gnttab channel

This patch picks up all the fixes to the previous 13 patches that were required to get the code working now that the last four patches are reformatted and I''m able to test the code again. These fixes will go into the correct patches if I do another revision. Aside from the fixes, this patch defines the USB interdomain protocol which consists of a number of transactions and a message

I think you need this patch otherwise you will be passing uninitialised data from the stack to GNTTABOP_unmap_grant_ref in fast_flush_area. Also, I think the memset of the pending_grant_handles array should happen before you start using them so I moved it to before blkif_xenbus_init. I''m not sure if this is necessary or it might possibly have to go even earlier. Signed off by Harry

This patch implements a local buffer reference type for kernel virtual address space and a remote buffer reference type for buffers up to 16 pages based on grant tables. These types are used by the USB driver for bulk data transfer. Signed-off-by: Harry Butterworth <butterwo@uk.ibm.com> _______________________________________________ Xen-devel mailing list Xen-devel@lists.xensource.com

Lots of xm-test tests are failing with console timeouts on some machines at the moment. I reproduced the problem and found it was due to some probing activity in the boot process of the -xen kernel. The behaviour of the current xm-test code is to assume that the boot process has finished after performing three one-second waits for input---when the probing activity introduces more than three

Hi, When running domUs with pygrub, I get errors: .... xen be core: xen be core: can''t open gnttab device can''t open gnttab device xen be core: xen be core: can''t open gnttab device can''t open gnttab device xen be core: xen be core: can''t open gnttab device ..... domUs start, but these errors continue on dom0 Configuration: dom0: Ubuntu 8.10

Add a semaphore to protect gnttab_list from exhaustion, and disable callbacks during allocation/free. Fix the network frontend accordingly. Signed-off-by: Samuel Thibault <samuel.thibault@citrix.com> diff -r bb961bda7eff extras/mini-os/gnttab.c --- a/extras/mini-os/gnttab.c Sun Nov 25 21:24:48 2007 +0000 +++ b/extras/mini-os/gnttab.c Mon Nov 26 11:50:31 2007 +0000 @@ -18,6 +18,7 @@

I have two dell servers running arch linux and xen 4.3 One of them had after installing lates xen 4.3 had been showing this error message" failed to add gnttab to physmap " I reverted back to git pull from 02/17/13 and virtual machines start fine. Can sommone point me in righ direction what could be causing the error message _______________________________________________ Xen-users

Legacy (non-pvops) gntdev drivers may require this operation to be performed when the number of grants intended to be used simultaneously exceeds a certain driver specific default limit, and qemu''s qdisk driver is an example of needing to do so. Signed-off-by: Jan Beulich <jbeulich@suse.com> --- a/tools/libxc/xc_linux_osdep.c +++ b/tools/libxc/xc_linux_osdep.c @@ -541,6 +541,27 @@

Rather than just leaking pages that can''t be freed at the point where access permission for the backend domain gets revoked, put them on a list and run a timer to (infrequently) retry freeing them. (This can particularly happen when unloading a frontend driver when devices are still present, and the backend still has them in non-closed state or hasn''t finished closing them yet.)

In dispatch_rw_block_io after a call to HYPERVISOR_grant_table_op, there is the following code which calls fast_flush_area and breaks out of the loop early if one of the handles returned from HYPERVISOR_grant_table_op is negative: for (i = 0; i < nseg; i++) { if (unlikely(map[i].handle < 0)) { DPRINTK("invalid buffer -- could not remap it\n"); fast_flush_area(pending_idx,

Signed-off-by: Jan Beulich <jbeulich@suse.com> --- a/drivers/xen/core/gnttab.c +++ b/drivers/xen/core/gnttab.c @@ -35,6 +35,7 @@ #include <linux/sched.h> #include <linux/mm.h> #include <linux/seqlock.h> +#include <linux/timer.h> #include <xen/interface/xen.h> #include <xen/gnttab.h> #include <asm/pgtable.h> @@ -183,35 +184,119 @@ int

This patch is cleaned up of the patch which was sent as http://lists.xensource.com/archives/html/xen-devel/2007-06/msg00324.html # HG changeset patch # User yamahata@valinux.co.jp # Date 1181545986 -32400 # Node ID 69e2dd4e06c405a92717c5f1818f5096e1dc0bcd # Parent d5e0eb7dd069c0ffc1854da81aa143ccfb0ad66e make dma address conversion logic of gnttab dma arch specific. gnttab_dma_map_page() and

Hello, sorry to bother you with this: while trying to compile mini-os from xen-unstable.hg, I noticed that compilation failed like this: gcc -fno-builtin -Wall -Werror -Wredundant-decls -Wno-format -Wstrict-prototypes -Wnested-externs -Wpointer-arith -Winline -m32 -march=i686 -g -Iinclude -Iinclude/x86 -Iinclude/x86/x86_32 -c gnttab.c -o gnttab.o gnttab.c: In Funktion »init_gnttab«:

From: Matt Wilson <msw@amazon.com> Commit f62805f1 introduced a bug where lazy MMU mode isn''t exited if a m2p_add/remove_override call fails. Cc: Stefano Stabellini <stefano.stabellini@eu.citrix.com> Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> Cc: Boris Ostrovsky <boris.ostrovsky@oracle.com> Cc: David Vrabel <david.vrabel@citrix.com> Cc: Anthony

- introduce local variables (shortcuts for frequently used <dom>->grant_table) - adjust first parameter of mapcount() - drop lock acquisition from gnttab_get_version() - remove hard tabs and adjust formatting Signed-off-by: Jan Beulich <jbeulich@suse.com> Tested-by: Andrew Thomas <andrew.thomas@oracle.com> --- a/xen/common/grant_table.c +++ b/xen/common/grant_table.c @@

Here''s the first snapshot of the USB code after updating to the new xenbus. The xenidc code provides a much higher level of abstraction than the new xenbus code so the changes didn''t affect the usb driver much. I had to put in empty frontend_changed and backend_changed functions because the new xenbus code segfaults without them. The USB code doesn''t need them because

Here''s the latest USB code against the xen 3.0.0 release. Since the last posting this version updates the code to use the new 32 bit grant references and the latest GNTTABOP_map_grant_ref definition. I''ve also changed the definition of the virtual USB HCD to have a single port rather than seven ports with six unused. Domains importing multiple USB devices will get a HCD for

Although the script doesn't generate identical results, it seems to get fairly close. The deviations for the Butterworth filter settings seem larger than for the equal loudness filter. This script requires OpenSource scilab which is available for Windows, Linux and MacOS. http://www.scilab.org/products/scilab/download Earl -------------- next part -------------- A non-text attachment was

Full_Name: conor dolan Version: 1.4.0 OS: windows98 Submission from: (NULL) (146.50.170.247) On the basis of Lawley and Maxwell's explanation in Factor Analysis as a Statistical Method (London: Butterworth, 1971), the following line in the promax routine (library, mva): attr(z, "covariance") <- crossprod(U) should be attr(z, "covariance") <- solve(crossprod(U))

When our users want to browse the home directories on our main server (published as 'Users') it takes several minutes to create the directory listing. We suspect this is because samba is doing a stat on every directory, many of which are links to nfs mounted filesystems. netatalk does exactly the same thing, which is worse on a Mac because at least on the PC you can type the UNC path