xen.git
17 years agoblktap: Fix check_gcrypt
Keir Fraser [Wed, 11 Feb 2009 10:44:42 +0000 (10:44 +0000)]
blktap: Fix check_gcrypt

Signed-off-by: KUWAMURA Shin'ya <kuwa@jp.fujitsu.com>
17 years agox86_64: Ensure enough space for allocator bitmap after relocated Xen image.
Keir Fraser [Wed, 11 Feb 2009 10:41:45 +0000 (10:41 +0000)]
x86_64: Ensure enough space for allocator bitmap after relocated Xen image.
Signed-off-by: Keir Fraser <keir.fraser@citrix.com>
17 years agox86: mce: Provide extended physical CPU info.
Keir Fraser [Tue, 10 Feb 2009 05:51:00 +0000 (05:51 +0000)]
x86: mce: Provide extended physical CPU info.

Provide extended physial CPU info for the sake of dom0 MCE handling.
This information includes <cpu,core,thread> info for all logical CPUs,
cpuid information from all of them, and initial MSR values for a few
MSRs that are important to MCE handling.

Signed-off-by: Frank van der Linden <Frank.Vanderlinden@Sun.COM>
17 years agovtd: fix compilation error on ia64 for 19185:1eb6afcad849.
Keir Fraser [Tue, 10 Feb 2009 05:47:00 +0000 (05:47 +0000)]
vtd: fix compilation error on ia64 for 19185:1eb6afcad849.

Signed-off-by: KUWAMURA Shin'ya <kuwa@jp.fujitsu.com>
17 years agovtd: adding support for multiple queued invalidation pages
Keir Fraser [Mon, 9 Feb 2009 14:23:51 +0000 (14:23 +0000)]
vtd: adding support for multiple queued invalidation pages

Signed-off-by: Allen Kay <allen.m.kay@intel.com>
17 years agominios: fix p2m on x86
Keir Fraser [Mon, 9 Feb 2009 14:22:07 +0000 (14:22 +0000)]
minios: fix p2m on x86

15675:bf85b467ee89 Fixed p2m on x86_64, but instead broke it on x86.

Signed-off-by: Samuel Thibault <samuel.thibaut@ens-lyon.org>
17 years ago[IA64] fix compilation error of iommu.c
Keir Fraser [Mon, 9 Feb 2009 12:50:12 +0000 (12:50 +0000)]
[IA64] fix compilation error of iommu.c

This patch fixes the following compilation error on ia64
caused by 19178:4fcf4c9c9751.

Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
17 years agoRevert 19178:4fcf4c9c9751ccb8ed
Keir Fraser [Mon, 9 Feb 2009 12:46:26 +0000 (12:46 +0000)]
Revert 19178:4fcf4c9c9751ccb8ed

Breaks boot on every box under the sun it seems.

Signed-off-by: Keir Fraser <keir.fraser@citrix.com>
17 years ago[IA64] compilation fix of xentrace.
Keir Fraser [Fri, 6 Feb 2009 11:18:45 +0000 (11:18 +0000)]
[IA64] compilation fix of xentrace.

Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
17 years agox86: Clean up page-mfn conversion macros to allow better override by shadow code.
Keir Fraser [Fri, 6 Feb 2009 11:15:28 +0000 (11:15 +0000)]
x86: Clean up page-mfn conversion macros to allow better override by shadow code.

Also fix is_xen_heap_mfn() to deal with invalid MFNs.

Signed-off-by: Keir Fraser <keir.fraser@citrix.com>
17 years agoxenctx: print x86_32 context on x86_64
Keir Fraser [Fri, 6 Feb 2009 10:43:58 +0000 (10:43 +0000)]
xenctx: print x86_32 context on x86_64

Although x86_64 context covers x86_32, I think it's easy to watch.

Signed-off-by: Kouya Shimura <kouya@jp.fujitsu.com>
17 years agoBetter separate IOAPIC management from interrupt vector management
Keir Fraser [Fri, 6 Feb 2009 10:42:26 +0000 (10:42 +0000)]
Better separate IOAPIC management from interrupt vector management

Don't automatically update ioapic_irq array when allocating vectors.
Only do so when actually allocating IOAPIC irqs.  Also move some
IOAPIC specific defines to io_apic.c.

Signed-off-by: Espen Skoglund <espen.skoglund@netronome.com>
17 years agox86: Move interrupt vector management from io_apic.c to irq.c
Keir Fraser [Fri, 6 Feb 2009 10:40:00 +0000 (10:40 +0000)]
x86: Move interrupt vector management from io_apic.c to irq.c

Signed-off-by: Espen Skoglund <espen.skoglund@netronome.com>
17 years agox86: ->shutdown() in free_irq() should be passed vector, not irq.
Keir Fraser [Fri, 6 Feb 2009 10:39:10 +0000 (10:39 +0000)]
x86: ->shutdown() in free_irq() should be passed vector, not irq.

Signed-off-by: Espen Skoglund <espen.skoglund@netronome.com>
17 years agoCleanup IOMMU interrupt setup
Keir Fraser [Fri, 6 Feb 2009 10:36:23 +0000 (10:36 +0000)]
Cleanup IOMMU interrupt setup
- Check for errors when allocating interrupt vectors
- Clean up if interrupt allocation failed
- Make sure that the allocated vector is not reused

Signed-off-by: Espen Skoglund <espen.skoglund@netronome.com>
17 years agolibxenctrl: adds xc_domain_unbind_msi_irq to libxc.
Keir Fraser [Thu, 5 Feb 2009 15:28:09 +0000 (15:28 +0000)]
libxenctrl: adds xc_domain_unbind_msi_irq to libxc.

The function is needed to unbind MSI/MSI-X on transition from D3hot
state to D0 state.

Signed-off-by: Yuji Shimada <shimada-yxb@necst.nec.co.jp>
17 years agoFix PCI passthrough for devices w/o iomem.
Keir Fraser [Thu, 5 Feb 2009 15:08:53 +0000 (15:08 +0000)]
Fix PCI passthrough for devices w/o iomem.

From: Manuel Bouyer <bouyer@netbsd.org>
Signed-off-by: Christoph Egger <Christoph.Egger@amd.com>
17 years agox86: Use per-domain irq-to-vector array when mapping GSIs
Keir Fraser [Thu, 5 Feb 2009 12:20:18 +0000 (12:20 +0000)]
x86: Use per-domain irq-to-vector array when mapping GSIs

Using the per-domain array enables single MSI vectors to be mapped.

Signed-off-by: Espen Skoglund <espen.skoglund@netronome.com>
17 years agoxenctx support for 64-bit HVM guests
Keir Fraser [Thu, 5 Feb 2009 12:17:24 +0000 (12:17 +0000)]
xenctx support for 64-bit HVM guests
Now that we can easily find EFER.LMA, xenctx can detect 64-bit HVM
VCPUs

Signed-off-by: Tim Deegan <Tim.Deegan@citrix.com>
17 years agolibxc support for the new partial-HVM-save domctl.
Keir Fraser [Thu, 5 Feb 2009 12:17:08 +0000 (12:17 +0000)]
libxc support for the new partial-HVM-save domctl.
This includes making the pagetable walker in xc_pagetab.c behave
correctly for 32-bit and 64-bit HVM guests.

Signed-off-by: Tim Deegan <Tim.Deegan@citrix.com>
17 years agoRemove uses of DECLARE_BITMAP in the public HVM save format headers
Keir Fraser [Thu, 5 Feb 2009 12:16:53 +0000 (12:16 +0000)]
Remove uses of DECLARE_BITMAP in the public HVM save format headers
and replace them with open-coded equivalents.  DECLARE_BITMAP is
not exported to user-space consumers of the Xen headers.

Signed-off-by: Tim Deegan <Tim.Deegan@citrix.com>
17 years agoAdd a new domctl to get a single record from the HVM save context
Keir Fraser [Thu, 5 Feb 2009 12:16:28 +0000 (12:16 +0000)]
Add a new domctl to get a single record from the HVM save context

Signed-off-by: Tim Deegan <Tim.Deegan@citrix.com>
17 years agox86: recover pat value for bsp after S3 resume.
Keir Fraser [Thu, 5 Feb 2009 12:14:09 +0000 (12:14 +0000)]
x86: recover pat value for bsp after S3 resume.

host pat is set to cover all memory types by Xen, which is
necessary to support guest mtrr/pat, especially when device
is passthroughed with VT-d. However pat on bsp is not=20
recovered which could make assigned device defunct after S3
resume

Signed-off-by Kevin Tian <kevin.tian@intel.com>

17 years agox86: solve spinlock bug in s3 cpufreq path.
Keir Fraser [Thu, 5 Feb 2009 12:13:25 +0000 (12:13 +0000)]
x86: solve spinlock bug in s3 cpufreq path.

Signed-off-by Kevin Tian <kevin.tian@intel.com>

17 years agox86: EPT cleanups.
Keir Fraser [Thu, 5 Feb 2009 12:12:34 +0000 (12:12 +0000)]
x86: EPT cleanups.

Signed-off-by: Xin, Xiaohui <xiaohui.xin@intel.com>
17 years agoAdd a page_info flag to indicate whether free pages need a TLB flush
Keir Fraser [Thu, 5 Feb 2009 12:09:10 +0000 (12:09 +0000)]
Add a page_info flag to indicate whether free pages need a TLB flush
on next use.

Apart from teh small performance gain of this, my primary motivation
is to avoid TLB flushes very early in boot, when the system is not yet
properly set up for cross-TLB shootdowns.

Signed-off-by: Keir Fraser <keir.fraser@citrix.com>
17 years agox86: Throw away .eh_frame exception-handling sections. Otherwise they
Keir Fraser [Thu, 5 Feb 2009 08:28:00 +0000 (08:28 +0000)]
x86: Throw away .eh_frame exception-handling sections. Otherwise they
can fail the build by requiring linking against discarded .exit.*
sections.

Signed-off-by: Keir Fraser <keir.fraser@citrix.com>
17 years agoRemove cpumask for page_info struct.
Keir Fraser [Wed, 4 Feb 2009 15:29:51 +0000 (15:29 +0000)]
Remove cpumask for page_info struct.

This makes TLB flushing on page allocation more conservative, but the
flush clock should still save us most of the time (page freeing and
alloc'ing tends to happen in batches, and not necesasrily close
together). We could add some optimisations to the flush filter if this
does turn out to be a significant overhead for some (useful)
workloads.

Signed-off-by: Keir Fraser <keir.fraser@citrix.com>
17 years agox86: Clean up PV guest LDT handling.
Keir Fraser [Wed, 4 Feb 2009 15:08:46 +0000 (15:08 +0000)]
x86: Clean up PV guest LDT handling.
 1. Do not touch deferred_ops in invalidate_shadow_ldt(), as we may
 not always be in a context where deferred_ops is valid.
 2. Protected the shadow LDT with a lock, now that mmu updates are not
 protected by the per-domain lock.

Signed-off-by: Keir Fraser <keir.fraser@citrix.com>
17 years agox86: Rename cached current from 'v' to 'curr' in a few places.
Keir Fraser [Wed, 4 Feb 2009 14:46:47 +0000 (14:46 +0000)]
x86: Rename cached current from 'v' to 'curr' in a few places.
Signed-off-by: Keir Fraser <keir.fraser@citrix.com>
17 years agox86: No need to flush TLBs on free_page_type() as we no longer trust
Keir Fraser [Wed, 4 Feb 2009 14:28:13 +0000 (14:28 +0000)]
x86: No need to flush TLBs on free_page_type() as we no longer trust
the linear pagetable mapping (we use it but we double check it).

Signed-off-by: Keir Fraser <keir.fraser@citrix.com>
17 years agox86: Relocate Multiboot module command-line strings.
Keir Fraser [Wed, 4 Feb 2009 13:27:17 +0000 (13:27 +0000)]
x86: Relocate Multiboot module command-line strings.

Missed this in the original patch.

Signed-off-by: Keir Fraser <keir.fraser@citrix.com>
17 years agoxend: fix vncconsole option
Keir Fraser [Wed, 4 Feb 2009 12:43:11 +0000 (12:43 +0000)]
xend: fix vncconsole option
From: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Signed-off-by: Keir Fraser <keir.fraser@citrix.com>
17 years agoEliminate some special page list accessors
Keir Fraser [Wed, 4 Feb 2009 12:01:47 +0000 (12:01 +0000)]
Eliminate some special page list accessors

Since page_list_move_tail(), page_list_splice_init(), and
page_list_is_eol() are only used by relinquish_memory(), and that
function can easily be changed to use more generic accessors, just
eliminate them altogether.

Signed-off-by: Jan Beulich <jbeulich@novell.com>
17 years agoxend: Delay before SIGKILL qemu
Keir Fraser [Wed, 4 Feb 2009 12:01:05 +0000 (12:01 +0000)]
xend: Delay before SIGKILL qemu

Signed-off-by: Yosuke Iwamatsu <y-iwamatsu@ab.jp.nec.com>
17 years agovtd: Add a boot parameter option for snoop control capability for VT-d.
Keir Fraser [Wed, 4 Feb 2009 12:00:06 +0000 (12:00 +0000)]
vtd: Add a boot parameter option for snoop control capability for VT-d.
The default is to use snoop control.

Signed-off-by: Xin, Xiaohui <xiaohui.xin@intel.com>
17 years agoxm: Improve xm error if booted native
Keir Fraser [Wed, 4 Feb 2009 11:58:25 +0000 (11:58 +0000)]
xm: Improve xm error if booted native

Signed-off-by: Jim Fehlig <jfehlig@novell.com>
17 years agodocs: Add detach console note to xm man page
Keir Fraser [Wed, 4 Feb 2009 11:57:47 +0000 (11:57 +0000)]
docs: Add detach console note to xm man page

I've been asked too many times about a hint in xm man page on how to
'detach' from a guest console - aka Ctrl+]

Signed-off-by: Jim Fehlig <jfehlig@novell.com>
17 years agoXendAPIStore - do not remove non-existent item
Keir Fraser [Wed, 4 Feb 2009 11:57:17 +0000 (11:57 +0000)]
XendAPIStore - do not remove non-existent item

If list is searched and item not found, then don't attempt to delete
the item.

Signed-off-by: Jim Fehlig <jfehlig@novell.com>
17 years agox86: avoid redundant TLB flushes
Keir Fraser [Tue, 3 Feb 2009 18:14:19 +0000 (18:14 +0000)]
x86: avoid redundant TLB flushes

While in some places the guest requested flushes were already folded
into the deferred ops, this wasn't done consistently.

Also avoid using an uninitialized variable, even if doing so has no
correctness issue.

Signed-off-by: Jan Beulich <jbeulich@novell.com>
17 years agox86: misc adjustments to acpi-cpufreq
Keir Fraser [Tue, 3 Feb 2009 18:13:55 +0000 (18:13 +0000)]
x86: misc adjustments to acpi-cpufreq

Avoid the call to check_freq() by default, since that function may
spin up to 1ms on certain systems without indicating any kind of severe
failure. This matches similar behavior in Linux.

Avoid doing a cross processor call in get_cur_val() if the current CPU
has its bit set in the mask passed in. Also use the local variable
'cpu' consistently, allowing to remove another local variable.

Signed-off-by: Jan Beulich <jbeulich@novell.com>
17 years agocpufreq: attach __exit to the (unused) cpufreq governor exit handlers
Keir Fraser [Tue, 3 Feb 2009 18:13:22 +0000 (18:13 +0000)]
cpufreq: attach __exit to the (unused) cpufreq governor exit handlers

... in order to make them disappear from the final image. Of course
they could as well be removed altogether, but I assumed that whoever
added them had a reason to do so.

Signed-off-by: Jan Beulich <jbeulich@novell.com>
17 years agoConsolidate cpufreq cmdline handling
Keir Fraser [Tue, 3 Feb 2009 18:12:51 +0000 (18:12 +0000)]
Consolidate cpufreq cmdline handling

... by moving as much of the option processing into cpufreq code as is
possible, by folding the cpufreq_governor option into the cpufreq one
(the governor name, if any, must be specified as the first thing after
the separator following "cpufreq=xen"), and by allowing each
governor to have an option processing routine.

Signed-off-by: Jan Beulich <jbeulich@novell.com>
17 years agox86: Relocate Multiboot structures where we know they will be
Keir Fraser [Tue, 3 Feb 2009 18:11:03 +0000 (18:11 +0000)]
x86: Relocate Multiboot structures where we know they will be
accessible. GRUB2 seems to like to stick them really high sometimes
(just below 4GB).

The 32-bit C code framework that this sets up can also be used for
other stuff in future:
 * early cmdline parsing
 * relocating multiboot modules so they too are guaranteed accessible

Its interaction with normal Xen start-of-day, and with the 16-bit
assembly trampoline, needs a bit of thought.

Signed-off-by: Keir Fraser <keir.fraser@citrix.com>
17 years agoia64: fix compilation error
Keir Fraser [Tue, 3 Feb 2009 14:06:51 +0000 (14:06 +0000)]
ia64: fix compilation error

This patch fixes the following compilation error.
Since struct page_list_head is defined in mm.h, sched.h needs mm.h.
Other circular inclusions are sorted out.

> In file included from xen/include/asm-ia64/linux-xen/asm/smp.h:50,
>                  from xen/include/linux/smp.h:5,
>                  from xen/include/asm-ia64/linux/topology.h:33,
>                  from xen/include/asm-ia64/linux-xen/linux/gfp.h:6,
>                  from xen/include/asm/mm.h:11,
>                  from xen/include/xen/mm.h:90,
>                  from viosapic.c:35:
> xen/include/xen/sched.h:174: error: field page_list has incomplete
> type
> xen/include/xen/sched.h:175: error: field xenpage_list has
> incomplete type

Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
17 years agox86/shadow: struct page_info's type_info is now unsigned long,
Keir Fraser [Tue, 3 Feb 2009 14:03:32 +0000 (14:03 +0000)]
x86/shadow: struct page_info's type_info is now unsigned long,

hence local variables of type u32 (and the more such with misleading
names) must no longer be used.

Signed-off-by: Jan Beulich <jbeulich@novell.com>
17 years agoFix 'debug ?= y' to actually enable debug build.
Keir Fraser [Mon, 2 Feb 2009 09:21:04 +0000 (09:21 +0000)]
Fix 'debug ?= y' to actually enable debug build.
Signed-off-by: Keir Fraser <keir.fraser@citrix.com>
17 years agox86: page_info cleanups.
Keir Fraser [Fri, 30 Jan 2009 11:33:27 +0000 (11:33 +0000)]
x86: page_info cleanups.
 1. No reason for i386 not to use the same definitions as x64
 2. No need for shadow_page_info names to hang around.

Signed-off-by: Keir Fraser <keir.fraser@citrix.com>
17 years agopage_alloc: try to put heap control structures on the target node
Keir Fraser [Fri, 30 Jan 2009 11:16:52 +0000 (11:16 +0000)]
page_alloc: try to put heap control structures on the target node

This also neatly eliminates (in certain cases) the need to reserve a
page between nodes, as the heap control structures will never be freed
and thus can serve as the needed separator.

It also adds an additonal fallback attempting to make use of the
wasted tail of a (group of) page(s) used for the _heap array by putting the
avail array there if it fits.

Signed-off-by: Jan Beulich <jbeulich@novell.com>
17 years agopage_alloc: properly honor MAX_ORDER in init_heap_pages()
Keir Fraser [Fri, 30 Jan 2009 11:14:23 +0000 (11:14 +0000)]
page_alloc: properly honor MAX_ORDER in init_heap_pages()

The previous check was flawed in that it checked
- for a single bit to be set instead of a range of bits to be clear
- a machine address against a mask supposed to be used on MFNs.

Signed-off-by: Jan Beulich <jbeulich@novell.com>
17 years agopass-through: drop lock before calling xfree() on error path
Keir Fraser [Fri, 30 Jan 2009 11:13:55 +0000 (11:13 +0000)]
pass-through: drop lock before calling xfree() on error path

Signed-off-by: Jan Beulich <jbeulich@novell.com>
17 years agoamd-iommu: drop locks before printing error messages
Keir Fraser [Fri, 30 Jan 2009 11:13:32 +0000 (11:13 +0000)]
amd-iommu: drop locks before printing error messages

Signed-off-by: Jan Beulich <jbeulich@novell.com>
17 years agoamd-iommu: obtain page_alloc_lock before traversing a domain's page list
Keir Fraser [Fri, 30 Jan 2009 11:13:06 +0000 (11:13 +0000)]
amd-iommu: obtain page_alloc_lock before traversing a domain's page list

From all I can tell, this doesn't violate lock ordering as other
places call heap allocation functions from inside hd->mapping_lock.

Signed-off-by: Jan Beulich <jbeulich@novell.com>
17 years agox86: re-arrange struct page_info members
Keir Fraser [Fri, 30 Jan 2009 11:10:43 +0000 (11:10 +0000)]
x86: re-arrange struct page_info members

By combining the overlay fields that are 8 bytes long (on x86-64) into
a union separate from the one used for the 4 byte wide fields, no
unnecessary padding will be inserted while at the same time avoiding
to use __attribute__((__packed__)) on any of the sub-structures (which
risks misaligning structure members without immediately noticing).

Signed-off-by: Jan Beulich <jbeulich@novell.com>
17 years agox86-64: use MFN also for next_shadow link
Keir Fraser [Fri, 30 Jan 2009 11:09:44 +0000 (11:09 +0000)]
x86-64: use MFN also for next_shadow link

Signed-off-by: Jan Beulich <jbeulich@novell.com>
17 years agox86-64: fold shadow_page_info fields into page_info
Keir Fraser [Fri, 30 Jan 2009 11:08:06 +0000 (11:08 +0000)]
x86-64: fold shadow_page_info fields into page_info

... combining the list entry members of both structures and removing
the artificial 'mbz' member (shadow code must keep the real underlying
member 'count_info' at zero for the lifetime of pages use as shadows).

This also fixes a latent issue with u.inuse._domain not getting
explicitly cleared before returning shadow pages to the domain heap -
it just so happened that this member turned out to be zero in all
(normal?) cases when a shadow page ends its life (but there were
neither build nor run-time assertions that this would actually be the
case). The bug got exposed by a subsequent patch changing the order of
fields in struct page_info.

Signed-off-by: Jan Beulich <jbeulich@novell.com>
17 years agox86: Better bzimage_headroom() crash fix.
Keir Fraser [Fri, 30 Jan 2009 11:04:24 +0000 (11:04 +0000)]
x86: Better bzimage_headroom() crash fix.
Signed-off-by: Joseph Cihula <joseph.cihula@intel.com>
17 years agox86-64: use MFNs for linking together pages on lists
Keir Fraser [Fri, 30 Jan 2009 11:03:28 +0000 (11:03 +0000)]
x86-64: use MFNs for linking together pages on lists

Unless more than 16Tb are going to ever be supported in Xen, this will
allow reducing the linked list entries in struct page_info from 16 to
8 bytes.

This doesn't modify struct shadow_page_info, yet, so in order to meet
the constraints of that 'mirror' structure the list entry gets
artificially forced to be 16 bytes in size. That workaround will be
removed in a subsequent patch.

Signed-off-by: Jan Beulich <jbeulich@novell.com>
17 years agox86_64: Remove bogus extra do_xsm_op from hypercall_args_table
Keir Fraser [Fri, 30 Jan 2009 10:51:01 +0000 (10:51 +0000)]
x86_64: Remove bogus extra do_xsm_op from hypercall_args_table
Signed-off-by: Keir Fraser <keir.fraser@citrix.com>
17 years ago[IA64] remove static-partitioned xenheap
Isaku Yamahata [Fri, 30 Jan 2009 02:12:57 +0000 (11:12 +0900)]
[IA64] remove static-partitioned xenheap

This patch is ia64 counter part of 19054:845aa241e163

Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
17 years ago[IA64] Widen page counts and domain pointer
Isaku Yamahata [Fri, 30 Jan 2009 02:12:44 +0000 (11:12 +0900)]
[IA64] Widen page counts and domain pointer

This is ia64 counter part of 19089:39517e863cc8.
This patch is preliminary for removing xenheap.

Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
17 years ago[IA64] No need for cmpxchg on page_info structure.
Isaku Yamahata [Fri, 30 Jan 2009 02:12:29 +0000 (11:12 +0900)]
[IA64] No need for cmpxchg on page_info structure.

Updates and checks on count_info and page owner can safely be
non-atomic.
This is ia64 counter part of 19088:055c589f4791.

Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
17 years ago[IA64] fix __virt_to_maddr()
Isaku Yamahata [Fri, 30 Jan 2009 02:12:03 +0000 (11:12 +0900)]
[IA64] fix __virt_to_maddr()

__virt_to_maddr() should be updated acording to xen relocation.

Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
17 years ago[IA64] use domheap for mpt_table.
Isaku Yamahata [Fri, 30 Jan 2009 02:11:39 +0000 (11:11 +0900)]
[IA64] use domheap for mpt_table.

Now there is no need to allocate pages for mpt_table from xenheap.
So allocate it from domheap.

Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
17 years ago[IA64] remove opt_p2m_xenheap
Isaku Yamahata [Fri, 30 Jan 2009 02:09:27 +0000 (11:09 +0900)]
[IA64] remove opt_p2m_xenheap

xenheap isn't pinned down now so that allocating p2m pages from
xenheap doesn't make sense anymore.
This is preparation for removing xenheap.

Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
17 years ago[IA64] remove warning
Isaku Yamahata [Fri, 30 Jan 2009 02:04:51 +0000 (11:04 +0900)]
[IA64] remove warning

This patch remove the following warning.
> memory.c:116: warning: implicit declaration of function 'guest_physmap_mark_populate_on_demand'
> memory.c:206: warning: implicit declaration of function 'p2m_pod_decrease_reservation'

Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
17 years agomerge with xen-unstable.hg
Isaku Yamahata [Fri, 30 Jan 2009 01:54:13 +0000 (10:54 +0900)]
merge with xen-unstable.hg

17 years agox86: Fix the build.
Keir Fraser [Thu, 29 Jan 2009 23:40:37 +0000 (23:40 +0000)]
x86: Fix the build.
Signed-off-by: Keir Fraser <keir.fraser@citrix.com>
17 years agostubdom: add videoram to stubdom initial memory reservation
Keir Fraser [Thu, 29 Jan 2009 16:41:48 +0000 (16:41 +0000)]
stubdom: add videoram to stubdom initial memory reservation

This patch adds a videoram parameter (4MB is the default) to pv guests
too: if the pv guest is actually a stubdomain then the videoram size
is added to the initial required available memory.
This way there is no risk that a stubdom fails to populate the
videoram because the RAM freed for the videoram by dom0 has already
been used to create the stubdom.

Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
17 years agoPoD: Check refcount, not type count when reclaiming zero pages
Keir Fraser [Thu, 29 Jan 2009 16:40:48 +0000 (16:40 +0000)]
PoD: Check refcount, not type count when reclaiming zero pages

Check the page refcount rather than the type count when deciding if a
page is still mapped.

This catches pages which are mapped by qemu; it also removes the need
for gnttab_is_granted().

Signed-off-by: George Dunlap <george.dunlap@eu.citrix.com>
17 years agoxend: Fix block device type check
Keir Fraser [Thu, 29 Jan 2009 16:39:56 +0000 (16:39 +0000)]
xend: Fix block device type check

Since changeset 17617 the block device protocols are checked to be
either file or phy. This has later been fixed to also include
tap. This is still not a correct check as there can be arbitrary
additional protocols. Before this check was added you could have a
block-xyz hotplug script and xyz would work as a protocol, now it is
refused. An example for this mechanism is the block-nbd script which
is included in the tree.

This patch changes the check to allow file, phy, tap and all protocol
names for which a block-$protocol hotplug script exists. This should
fix the last regressions introduced by the check.

Signed-off-by: Kevin Wolf <kwolf@suse.de>
17 years agoPoD: Remove on-stack arrays from pod_zero_check_superpage
Keir Fraser [Thu, 29 Jan 2009 12:48:33 +0000 (12:48 +0000)]
PoD: Remove on-stack arrays from pod_zero_check_superpage

Signed-off-by: George Dunlap <george.dunlap@eu.citrix.com>
17 years agotboot: use TXT's DMA-protected DMAR table to setup VT-d
Keir Fraser [Thu, 29 Jan 2009 12:44:31 +0000 (12:44 +0000)]
tboot: use TXT's DMA-protected DMAR table to setup VT-d

Signed-off-by: Joseph Cihula <joseph.cihula@intel.com>
17 years agotboot: tboot no longer marks TXT regions as E820_UNUSABLE, so Xen must
Keir Fraser [Thu, 29 Jan 2009 12:10:39 +0000 (12:10 +0000)]
tboot: tboot no longer marks TXT regions as E820_UNUSABLE, so Xen must
explicitly disallow them itself.

Signed-off-by: Shane Wang <shane.wang@intel.com>
Signed-off-by: Joseph Cihula <joseph.cihula@intel.com>
17 years agotboot: hypervisor integrity on S3
Keir Fraser [Thu, 29 Jan 2009 11:36:09 +0000 (11:36 +0000)]
tboot: hypervisor integrity on S3

When launched from tboot, utilise tboot interface to provide integrity
protection to the hypervisor during S3

Signed-off-by: Joseph Cihula <joseph.cihula@intel.com>
ACKed-by: Shane Wang <shane.wang@intel.com>
17 years agotboot: ACPI Generic Address Structure for tboot shutdown
Keir Fraser [Thu, 29 Jan 2009 11:35:19 +0000 (11:35 +0000)]
tboot: ACPI Generic Address Structure for tboot shutdown

New versions of tboot support ACPI GAS (Generic Address Structure) for
handling sleep states.  This required a change to the tboot_shared_t
data structure that is not backwards compatible.  This patch requires
that new version makes use of GAS when invoking tboot on shutdown.

Signed-off-by: Shane Wang <shane.wang@intel.com>
Signed-off-by: Joseph Cihula <joseph.cihula@intel.com>
17 years agotboot: single tboot entry point for shutdown
Keir Fraser [Thu, 29 Jan 2009 11:32:06 +0000 (11:32 +0000)]
tboot: single tboot entry point for shutdown

tboot removed the shutdown_entry32 and shutdown_entry64 from
tboot_shared_t and now has just a single shutdown_entry field.

Signed-off-by: Joseph Cihula <joseph.cihula@intel.com>
17 years agox86: Although bzimage_headroom() doesn't return -ve values,
Keir Fraser [Thu, 29 Jan 2009 11:28:09 +0000 (11:28 +0000)]
x86: Although bzimage_headroom() doesn't return -ve values,
bzimage_parse() can.
Signed-off-by: Keir Fraser <keir.fraser@citrix.com>
17 years agox86: bzimage_headroom does not return -ve error codes.
Keir Fraser [Thu, 29 Jan 2009 01:16:30 +0000 (01:16 +0000)]
x86: bzimage_headroom does not return -ve error codes.
Signed-off-by: Keir Fraser <keir.fraser@citrix.com>
17 years agox86: Do not check dom0 kernel header for bzimage magic until we are
Keir Fraser [Thu, 29 Jan 2009 01:11:50 +0000 (01:11 +0000)]
x86: Do not check dom0 kernel header for bzimage magic until we are
sure it is mapped. This fixes a crash when running on top of tboot.

Signed-off-by: Joseph Cihula <joseph.cihula@intel.com>
17 years agox86: Pickle domain in page_info into 32 bits.
Keir Fraser [Wed, 28 Jan 2009 17:40:01 +0000 (17:40 +0000)]
x86: Pickle domain in page_info into 32 bits.
Signed-off-by: Keir Fraser <keir.fraser@citrix.com>
17 years agox86: VCPU structure must reside below 4GB, since it contains embedded
Keir Fraser [Wed, 28 Jan 2009 17:05:18 +0000 (17:05 +0000)]
x86: VCPU structure must reside below 4GB, since it contains embedded
PAE mode PDPTEs.

Signed-off-by: Keir Fraser <keir.fraser@citrix.com>
17 years agoAllow memflags to be specified to alloc_xenheap_pages().
Keir Fraser [Wed, 28 Jan 2009 16:58:41 +0000 (16:58 +0000)]
Allow memflags to be specified to alloc_xenheap_pages().

Signed-off-by: Keir Fraser <keir.fraser@citrix.com>
17 years agomerge with xen-unstable.hg
Isaku Yamahata [Wed, 28 Jan 2009 04:06:45 +0000 (13:06 +0900)]
merge with xen-unstable.hg

17 years ago[IA64] support XEN_DOMCTL_[gs]et_address_size
Isaku Yamahata [Wed, 28 Jan 2009 03:22:58 +0000 (12:22 +0900)]
[IA64] support XEN_DOMCTL_[gs]et_address_size

support XEN_DOMCTL_[gs]et_address_size to support
the updated xm dump-core.

Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
17 years agoacpi: Neaten reboot messages.
Keir Fraser [Tue, 27 Jan 2009 16:41:09 +0000 (16:41 +0000)]
acpi: Neaten reboot messages.
Signed-off-by: Keir Fraser <keir.fraser@citrix.com>
17 years agox86: Fold page_info lock into type_info.
Keir Fraser [Tue, 27 Jan 2009 16:02:21 +0000 (16:02 +0000)]
x86: Fold page_info lock into type_info.

Fix some racey looking code at the same time.

Signed-off-by: Keir Fraser <keir.fraser@citrix.com>
17 years agox86-64: don't generate dependency files when building compat headers
Keir Fraser [Tue, 27 Jan 2009 11:54:22 +0000 (11:54 +0000)]
x86-64: don't generate dependency files when building compat headers

The generated dependency files weren't correct (as their names get
derived only from the base name of the target file, and there are
public headers with the same base name in different directories), not
needed (as the makefile already listed all necessary dependencies
explicitly), and resulted in the first re-build in an already built
tree to be an almost full re-build since the *.c files explicitly
mentioned in the .*.d result in make not considering them as
intermediate anymore, thus triggering re-generation of the headers,
and hence re-building of almost the entire tree.

Signed-off-by: Jan Beulich <jbeulich@novell.com>
17 years agox86: clean up struct page_info
Keir Fraser [Tue, 27 Jan 2009 11:45:59 +0000 (11:45 +0000)]
x86: clean up struct page_info

Remove the now unnecessary (and leading to misalignment of cpumask on
x86-64) 'packed' attributes.

Signed-off-by: Jan Beulich <jbeulich@novell.com>
17 years agox86: use alloc_domheap_page() consistently in dom0 building
Keir Fraser [Tue, 27 Jan 2009 11:24:47 +0000 (11:24 +0000)]
x86: use alloc_domheap_page() consistently in dom0 building

Signed-off-by: Jan Beulich <jbeulich@novell.com>
17 years agox86: clean up comments in mce_intel.c
Keir Fraser [Tue, 27 Jan 2009 11:24:24 +0000 (11:24 +0000)]
x86: clean up comments in mce_intel.c

Signed-off-by: Jan Beulich <jbeulich@novell.com>
17 years agomake pirq_acktype() static to its respective source files
Keir Fraser [Tue, 27 Jan 2009 11:23:56 +0000 (11:23 +0000)]
make pirq_acktype() static to its respective source files

Signed-off-by: Jan Beulich <jbeulich@novell.com>
17 years agox86-64: also use 1G page mappings for M2P table
Keir Fraser [Tue, 27 Jan 2009 11:23:30 +0000 (11:23 +0000)]
x86-64: also use 1G page mappings for M2P table

Also, specify the node for the respective page table allocations.

Signed-off-by: Jan Beulich <jbeulich@novell.com>
17 years agox86: Fix shadow_check_page_struct_offsets() comment.
Keir Fraser [Tue, 27 Jan 2009 10:25:33 +0000 (10:25 +0000)]
x86: Fix shadow_check_page_struct_offsets() comment.
Signed-off-by: Keir Fraser <keir.fraser@citrix.com>
17 years agox86_64: shared_info must be allocated below 4GB as it is advertised to
Keir Fraser [Mon, 26 Jan 2009 23:36:59 +0000 (23:36 +0000)]
x86_64: shared_info must be allocated below 4GB as it is advertised to
32-bit guests via a 32-bit machine address field in start_info.

Signed-off-by: Keir Fraser <keir.fraser@citrix.com>
17 years agox86: Small improvements to mm.c
Keir Fraser [Mon, 26 Jan 2009 23:35:47 +0000 (23:35 +0000)]
x86: Small improvements to mm.c
Signed-off-by: Keir Fraser <keir.fraser@citrix.com>
17 years agox86: Clean up shadow_page_info after page_info changes.
Keir Fraser [Mon, 26 Jan 2009 16:52:38 +0000 (16:52 +0000)]
x86: Clean up shadow_page_info after page_info changes.
Signed-off-by: Keir Fraser <keir.fraser@citrix.com>
17 years agoxenoprof: Fix code indentation.
Keir Fraser [Mon, 26 Jan 2009 16:34:51 +0000 (16:34 +0000)]
xenoprof: Fix code indentation.

Signed-off-by: Keir Fraser <keir.fraser@citrix.com>
17 years agox86: Clean up pickle_domptr().
Keir Fraser [Mon, 26 Jan 2009 16:34:16 +0000 (16:34 +0000)]
x86: Clean up pickle_domptr().
Signed-off-by: Keir Fraser <keir.fraser@citrix.com>
17 years agox86_64: No restriction on Xen heap address width.
Keir Fraser [Mon, 26 Jan 2009 16:21:21 +0000 (16:21 +0000)]
x86_64: No restriction on Xen heap address width.

Signed-off-by: Keir Fraser <keir.fraser@citrix.com>