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Author SHA1 Message Date
Tim Deegan cb015ee268 [XEN] Fix potential race in unshadow code 
And add some diagnostic printout in case it happens again
Signed-off-by: Tim Deegan <Tim.Deegan@xensource.com>
 2007-02-20 11:51:40 +00:00
kfraser@localhost.localdomain 2d59634928 linux/x86: Clean up page table handling headers 
- remove dead code
- fix line breaking and space vs. tab usage
- remove redundant parentheses

Signed-off-by: Jan Beulich <jbeulich@novell.com>
 2007-02-20 09:41:32 +00:00
Tim Deegan 5b4f23d446 Merge 2007-02-20 09:34:22 +00:00
kfraser@localhost.localdomain eee7931c83 linux/x86: Adjust and fix page table handling. 
Ensure that all and only those page table entries that have their
present bit set undergo p2m/m2p translation in all relevant places.
This should fix migration issues with _PAGE_PROTNONE pages which
previously could retain MFNs in PTEs while having the present bit
clear (and thus were not getting (un)canonicalized during save/
restore).

Many thanks to Keir Fraser for his analysis, suggestions, and
corrections.

Signed-off-by: Jan Beulich <jbeulich@novell.com>
 2007-02-20 09:33:14 +00:00
john.levon@sun.com 90a79f7c6f Xenconsoled should ignore spurious watch event. Otherwise, it can rebind to the same evtchn of a dying domU during suspending and cause below error message: 
(XEN) event_channel.c:177:d0 EVTCHNOP failure: domain 0, error -22, line 177
 2007-02-19 20:44:42 -08:00
john.levon@sun.com ec08a094b2 Filesystem implementations may need optional arguments in terms of 
what to mount. Add an options string to the libfsimage API.

Signed-off-by: John Levon <john.levon@sun.com>
 2007-02-19 20:44:42 -08:00
kfraser@localhost.localdomain 5f855af627 linux: Fix 32-bit build after changeset 13993:168030c8e0a93d8401cf5e783e10ecdf0938abda 
Signed-off-by: Keir Fraser <keir@xensource.com>
 2007-02-19 22:50:07 +00:00
Emmanuel Ackaouy d2d677648c [XEN] 32on64 shadowing / live migration support for PV PAE compat guests 
PAE compat guests on 64bit hypervisors are shadowed
using 4-on-4 with special handling for the top level
L4 page and the L2E M2P mappings.

Signed-off-by: Emmanuel Ackaouy <ack@xensource.com>
 2007-02-19 19:58:07 +00:00
kfraser@localhost.localdomain db31631cfe Quieten noisy fied-up-GPF-in-Xen logging. 
Signed-off-by: Keir Fraser <keir@xensource.com>
 2007-02-19 16:16:53 +00:00
kfraser@localhost.localdomain 408c8a79de linux: Introduce {current_,}vcpu_info. 
Also consolidate time-xen.c in giving get_time_values_from_xen() a
'cpu' parameter to match other functions (this consolidation could of
course also be done the other way around, but I think this way the
resulting code can be more efficient).

Signed-off-by: Jan Beulich <jbeulich@novell.com>
 2007-02-19 16:11:56 +00:00
kfraser@localhost.localdomain c2db4fa33d ia64: Fixes after changes to grant table code. 
Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
 2007-02-19 16:06:03 +00:00
kfraser@localhost.localdomain bfc097127d acm: Further fixes after grant-table changes. 
Based on a patch from Isaku Yamahata <yamahata@valinux.co.jp>
Signed-off-by: Keir Fraser <keir@xensource.com>
 2007-02-19 16:05:34 +00:00
kfraser@localhost.localdomain 516d0c43d0 Fix ACM build after recent grant-table code changes. 
Signed-off-by: Stefan Berger <stefanb@us.ibm.com>
 2007-02-19 15:52:51 +00:00
kfraser@localhost.localdomain 2c8d71cdf3 hvm, vtpm: Fix wait for an outstanding response. 
Post the interrupt upon reception of the response and adapt the
state machine.

Signed-off-by: Stefan Berger <stefanb@us.ibm.com>
 2007-02-19 15:51:46 +00:00
kfraser@localhost.localdomain 3b5ef8c46d minios: Fix xenbus-id allocation loop. 
Signed-off-by: Dietmar Hahn <dietmar.hahn@fujitsu-siemens.com>
 2007-02-19 15:50:29 +00:00
kfraser@localhost.localdomain fcd667b266 hvm: Remove noisy warnings associated with MOVS emulation. 
Signed-off-by: Keir Fraser <keir@xensource.com>
 2007-02-19 15:46:01 +00:00
kfraser@localhost.localdomain f9d4556021 hvm: Emulate opcode 0x03 (ADD mem,reg). 
Signed-off-by: Keir Fraser <keir@xensource.com>
 2007-02-19 15:43:27 +00:00
Ian Campbell 6f1113b5c5 [LIBELF] Prefer PT_NOTE segments to SHT_NOTE sections for ELF notes. 
It's always an error to try to use sections on an executable; the
segments in the phdr are definitive.

Unfortunately we cannot drop SHT_NOTE support completely due to a
binutils bug which causes kernels to have the offset field of the
PT_NOTE phdr set to zero:

	http://sourceware.org/bugzilla/show_bug.cgi?id=594

This bug is present in binutils 2.17 although some distros have
backported the fix.

Therefore we simply prefer a PT_NOTE segment if we find one otherwise
we still use the SHT_NOTE section (and then the old __xen_guest
section).

Based on a patch from Jeremy Fitzhardinge.

Also added XEN_ELFNOTE_HV_START_LOW to readnotes.

Signed-off-by: Ian Campbell <ian.campbell@xensource.com>
 2007-02-19 12:21:41 +00:00
Keir Fraser 4fca2a7981 hvm: Support PUSH from mmio area (opcode 0xFF/6). 
Also fix a bogus assertion in vlapic device model.
Signed-off-by: Keir Fraser <keir@xensource.com>
 2007-02-18 15:29:40 +00:00
Keir Fraser bbf3a3eebd linux: vmalloc_sync_all() is not a no-op when running in PAE mode on Xen. 
Also vmalloc_sync_all() is only defined for x86 architectures so make
use of it in driver code conditional on CONFIG_X86.
Signed-off-by: Keir Fraser <keir@xensource.com>
 2007-02-17 13:26:33 +00:00
kfraser@localhost.localdomain 0d1df40b65 Fix 64-bit build. 
Signed-off-by: Keir Fraser <keir@xensource.com>
 2007-02-17 09:59:00 +00:00
Jake Wires b3fb1294fa [TAPDISK] add tapdisk support for image chaining 
Enables tapdisk to chain an arbitrary number of VDIs, propagating reads of
holes in children to their parent images.  Introduces two new functions to the
tapdisk interface to facilitate this.  Modifies the QCoW plugin to take
advantage of these changes, thus providing support for arbitrarily long chains
of QCoW image types.
 2007-02-16 20:31:27 -08:00
kfraser@localhost.localdomain 3bddff4a58 x86-64: fix Lx_DISALLOW_MASK 
x86-64's Lx_DISALLOW_MASK values weren't properly taking care of the
NX bit, L3 and L4 were needlessly customized, and the compat mode L3
one wasn't really matching native PAE.

Signed-off-by: Jan Beulich <jbeulich@novell.com>
 2007-02-16 16:34:28 +00:00
kfraser@localhost.localdomain e77ed40f70 linux/x86_64: miscellaneous initialization code cleanup 
Signed-off-by: Jan Beulich <jbeulich@novell.com>
 2007-02-16 16:05:01 +00:00
kfraser@localhost.localdomain 2d420d93a6 hvm: Processor Objects require unique IDs. 
Signed-off-by: Keir Fraser <keir@xensource.com>
 2007-02-16 15:50:02 +00:00
kfraser@localhost.localdomain 938d51e10e hvm: Dynamically generate the correct number of ACPI Processor Objects 
in an SSDT.
Signed-off-by: Keir Fraser <keir@xensource.com>
 2007-02-16 15:33:51 +00:00
Tim Deegan a61c420101 [XEN] Set p2m page count-info fields properly on allocation. 
Signed-off-by: Tim Deegan <Tim.Deegan@xensource.com>
 2007-02-16 13:10:00 +00:00
Tim Deegan bd25d1048e [HVM] Save/restore: explicitly name MSRs in save format 
Signed off by: Mats Petersson (Mats.Petersson@amd.com)
 2007-02-16 12:34:30 +00:00
kfraser@localhost.localdomain 29438379b9 Fix grant-table initialisation so that domain destruction does not barf. 
Signed-off-by: Keir Fraser <keir@xensource.com>
 2007-02-16 12:13:33 +00:00
kfraser@localhost.localdomain 090fa70b37 linux: remove {lock,unlock}_vm_area(). Instead use vmalloc_sync_all() 
in alloc_vm_area().
Signed-off-by: Keir Fraser <keir@xensource.com>
 2007-02-16 11:24:10 +00:00
kfraser@localhost.localdomain fd564aa780 Fix vncdisplay config option for HVM guests. 
Signed-off-by: Takanori Kasai <kasai.takanori@jp.fujitsu.com>
 2007-02-16 09:57:25 +00:00
kfraser@localhost.localdomain 8d0689ddbe hvm: Fix acpi processor id in MADT LAPIC entries. 
Signed-off-by: Keir Fraser <keir@xensource.com>
 2007-02-15 19:03:09 +00:00
kfraser@localhost.localdomain d715d3e17b ia64: Fix build failure 
Signed-off-by: Alex WIlliamson <alex.williamson@hp.com>
 2007-02-15 18:05:05 +00:00
Tim Deegan 789a25c656 [HVM] Save/restore: remove u8 from publich header 
Signed-off-by: Tim Deegan <Tim.Deegan@xensource.com>
 2007-02-15 14:58:43 +00:00
kfraser@localhost.localdomain 4008fb3e4d Remove unnecessary check from HVM builder. 
Thanks to Guy Zana for spotting this.
Signed-off-by: Keir Fraser <keir@xensource.com>
 2007-02-15 14:38:08 +00:00
kfraser@localhost.localdomain cfafd88d92 Lift physical address restriction in save/restore code. 
Bump this to 44 bits for x86-32 and 52 bits for x86-64.

Signed-off-by: Jan Beulich <jbeulich@novell.com>
 2007-02-15 14:28:01 +00:00
kfraser@localhost.localdomain 073f9d922a Propagate error return from elf_xen_parse(). 
From: Jan Beulich <jbeulich@novell.com>
Signed-off-by: Keir Fraser <keir@xensource.com>
 2007-02-15 14:25:58 +00:00
kfraser@localhost.localdomain eb9ec1a8a8 x86: fix NMI delivery to dom0 
Signed-off-by: Jan Beulich <jbeulich@novell.com>
 2007-02-15 14:24:11 +00:00
kfraser@localhost.localdomain 56c508cce0 Bring TPM driver files to 2.6.18 level. Remove the tpm.c so that the 
one from the kernel can be used and reduce changes to a minimum
required to compile the xen-specific driver.

Signed-off-by: Stefan Berger <stefanb@us.ibm.com>
 2007-02-15 14:21:50 +00:00
kfraser@localhost.localdomain 5c4256ca47 [ACM] Update the xensec_ezpolicy ACM policy generation tool so 
that it works with wxPython under Python 2.5.
Signed-off by: Reiner Sailer <sailer@us.ibm.com>
 2007-02-15 14:20:05 +00:00
kfraser@localhost.localdomain a5333b24d5 minios: build system cleanups. 
- Added ARCH_LDFLAGS for architecture specific LDFLAGS
- Fixed build dependencies after changing makerule files
- Fixed ARCH_CFLAGS for 64bit guest, added ARCH_ASFLAGS
- Couple of variable renames

Signed-off-by: Dietmar Hahn <dietmar.hahn@fujitsu-siemens.com>
Signed-off-by: Grzegorz Milos <gm281@cam.ac.uk>
 2007-02-15 14:18:21 +00:00
kfraser@localhost.localdomain a917e6d478 Disable GCC stack protector for ROMBIOS. 
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
 2007-02-15 14:17:00 +00:00
kfraser@localhost.localdomain 3169b9cf23 linux: miscellaneous changes after upgrade through 2.6.17. 
Signed-off-by: Jan Beulich <jbeulich@novell.com>
 2007-02-15 14:12:32 +00:00
kfraser@localhost.localdomain ae79131cf1 linux: e820 handling adjustments 
In certain places, machine_e820 should be used rather than e820.
Signed-off-by: Jan Beulich <jbeulich@novell.com>
 2007-02-15 14:05:58 +00:00
kfraser@localhost.localdomain 620b8b957c linux: user user_mode_vm() in place of user_mode() where necessary. 
Signed-off-by: Jan Beulich <jbeulich@novell.com>
 2007-02-15 13:51:25 +00:00
kfraser@localhost.localdomain 07c2f1f3b0 linux: avoid need to modify include/linux/pfn.h 
Signed-off-by: Jan Beulich <jbeulich@novell.com>
 2007-02-15 13:49:04 +00:00
kfraser@localhost.localdomain a190e7e3da linux: early_printk adjustments 
This is a little more than a pure merge with 2.6.17, to remove a few
more non-Xen items.

Signed-off-by: Jan Beulich <jbeulich@novell.com>
 2007-02-15 13:40:33 +00:00
kfraser@localhost.localdomain 2b41f02c7a linux: proper mutex use in balloon driver 
Mutexes are supposed to not use the old semaphore technique anymore.
Signed-off-by: Jan Beulich <jbeulich@novell.com>
 2007-02-15 13:38:59 +00:00
kfraser@localhost.localdomain 86531075d4 [VTPM] Add a missing initialization of a state variable in the TIS 
device model so that the first response received after a resume is not
aborted.

Signed-off-by: Stefan Berger <stefanb@us.ibm.com>
 2007-02-15 13:36:58 +00:00
kfraser@localhost.localdomain a5c9d9c243 libxc: Fix xc_vcpu_{set,get}_affinity (Xen-bugzilla No.900). 
http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=900

Signed-off-by: Masaki Kanno <kanno.masaki@jp.fujitsu.com>
 2007-02-15 13:36:00 +00:00