Fix deprecation warning in Qdisc class under python 2.6.
Fix rtattr length and padding (rta_len is unaligned).
Null-terminate qdisc name in rtnl messages.
Signed-off-by: Brendan Cully <brendan@cs.ubc.ca>
PAT caching was only propagated if has_arch_pdevs(),
causing the hvm_get_mem_pinned_cacheattr() to be ignored
in the non passthrough case.
l1_disallow_mask() needs to be relaxed.
Signed-off-by: Jean Guyader <jean.guyader@citrix.com>
Quoting the original Linux patch's description:
"This patch adds a extended crashkernel syntax that makes the value of
reserved system RAM dependent on the system RAM itself:
crashkernel=3D<range1>:<size1>[,<range2>:<size2>,...][@offset]
range=3Dstart-[end]
For example:
crashkernel=3D512M-2G:64M,2G-:128M
The motivation comes from distributors that configure their
crashkernel command line automatically with some configuration tool
(YaST, you know ;)). Of course that tool knows the value of System
RAM, but if the user removes RAM, then the system becomes unbootable
or at least unusable and error handling is very difficult."
For x86, other than Linux we pass the actual amount of RAM rather than
the highest page's address (to cope with sparse physical address
maps).
This still needs to be hooked up for ia64.
Signed-off-by: Jan Beulich <jbeulich@novell.com>
Otherwise, pass-through code may call memory allocation functions with
invalid node IDs, causing the allocations to fail.
Signed-off-by: Jan Beulich <jbeulich@novell.com>
Add option '-p' for command 'xl create', and update
the help info.
* -p Leave the domain paused after it is created.
Signed-off-by: Yu Zhiguo <yuzg@cn.fujitsu.com>
The previous scheme --- freeing an area of BSS --- did not interact
nicely with device passthrough as IOMMU will not have any Xen BSS area
in guest device pagetables. Hence if the freed BSS space gets
allocated to a guest, DMAs to guest's own memory can fail.
The simple solution here is to always free the static buffer at end of
boot (initmem is specially handled for IOMMUs) and require a
dynamically-allocated buffer always to be created.
Signed-off-by: Keir Fraser <keir.fraser@citrix.com>
xenstore to release the resource allocated in backend driver
lies in dom0'kernel
Blktapctl thread will use qemu-dm connection instead of tapdisk-ioemu
in the case of FV VM. We found the resource like memory allocated for
this Guest can't be free for backend driver couldn't be closed in qemu-dm.
This patch would remove the backend of tapdisk device earlier in
xenstore to triger qemu-dm to notify the backend driver to release the
resource allocated.
I have tested this patch at the case of
1, save && restore
2, destory && shutdown
3, snapshot
Signed-off-by: James ( Song Wei ) <jsong@novell.com>
If domain creation in xend fails before devices are configured, e.g.
insufficient memory, device config is dropped from xend's managed
domain config.
Once xend is restarted, the domain's devices are lost.
This patch fixes a bug in XendConfig where only the device
controller was consulted for device configuration.
Signed-off-by: Jim Fehlig <jfehlig@novell.com>
The info subcommand was missing from the xl tool. Use the new libxl
wrapper functions to create a clone of "xm info". The splitting into
several smaller functions is enspired by the implementation in
XendNode.py.
Signed-off-by: Andre Przywara <andre.przywara@amd.com>
Acked-by: Vincent Hanquez <vincent.hanquez@eu.citrix.com>
Xen provides a xen_version hypercall to query the values of several
interesting things (like hypervisor version, commandline used, actual
changeset, etc.). Create a user-friendly and efficient wrapper around
the libxc function to provide values for xl info output.
Since the information is static during the whole runtime, we store
it within the libxl_ctx structure and just deliver the pointer on
subsequent calls.
Signed-off-by: Andre Przywara <andre.przywara@amd.com>
Acked-by: Vincent Hanquez <vincent.hanquez@eu.citrix.com>
To get the name of the currently used scheduler, Xen provides a
sched_id sysctl. Add a libxl wrapper around the libxc function to
query this.
Signed-off-by: Andre Przywara <andre.przywara@amd.com>
Acked-by: Vincent Hanquez <vincent.hanquez@eu.citrix.com>
The libxl version of the physinfo sysctl does not contain some
fields like nr_nodes or capabilities needed for xl info output.
Add them to the structure and the retrieving function.
Signed-off-by: Andre Przywara <andre.przywara@amd.com>
Acked-by: Vincent Hanquez <vincent.hanquez@eu.citrix.com>
Fixes the build error below:
gmake[5]: Entering directory `xen/arch/x86/boot'
gcc -O1 -fno-omit-frame-pointer -fno-optimize-sibling-calls -m32
-march=3Di686 -g -fno-strict-aliasing -std=3Dgnu99 -Wall
-Wstrict-prototypes
-Wno-unused-value -Wdeclaration-after-statement -fno-stack-protector
-Werror -fno-builtin -msoft-float -c reloc.c -o reloc.o
ld -melf_i386 -N -Ttext -o reloc.lnk reloc.o
ld: invalid hex number `-o'
BSD sed does not support the '+' in the basic re while gnu sed does.
BSD sed supports '+' in the extended re and uses the -E flag while
gnu sed uses -r.
The only difference with the original version is that the '+'
qualifier is replaced with '\{1\,\}' which should work with both BSD
sed and GNU sed.
Signed-off-by: Christoph Egger <Christoph.Egger@amd.com>
Acked-by: Ian Jackson <ian.jackson@eu.citrix.com>
Exporting cpu on/offline and memory on/offline hotplug interfaces,
so that users can do those (memory/cpu) hotplug actions with
following command line freely:
usage: xen-hptool <command> [args]
xen-hptool command list:\n\n
cpu-online <cpuid> online CPU <cpuid>
cpu-offline <cpuid> offline CPU <cpuid>
mem-online <mfn> online MEMORY <mfn>
mem-offline <mfn> offline MEMORY <mfn>
mem-status <mfn> query Memory status<mfn>
Signed-off-by: Yunhong Jiang<yunhong.jiang@intel.com>
Signed-off-by: Liping Ke <liping.ke@intel.com>
This is done implicitly when we enter stopmachine_run() context,
because the underlying tasklet mechanism performs the sync before
running a tasklet handler.
Signed-off-by: Keir Fraser <keir.fraser@citrix.com>
This naming scheme is more rational. Also use non-x86-specific
function sync_local_execstate() where possible.
Signed-off-by: Keir Fraser <keir.fraser@citrix.com>
This ensures we are properly running on idle-vcpu state, which certain
things (e.g., use of vmx_vmcs_{enter,exit}) rely on. It also means we
don't need to do the same thing in the stopmachine_run handler.
Signed-off-by: Keir Fraser <keir.fraser@citrix.com>
Late in the 4.0 release it was discovered that certain order>0
allocations could fail and had no fallback. This conflicted with
tmem especially when combined with aggressive ballooning.
A hack-y workaround patch was added in time for 4.0 that has
reduced (but not completely eliminated) the problem but
tmem was left disabled-by-default for the 4.0 release.
Re-enable it in xen-unstable by default to help identify cases
where the workaround is insufficient. Tmem can be
disabled with the no-tmem Xen boot option. Please report
failures (that are fixed with the no-tmem option) to me.
Signed-off-by: Dan Magenheimer <dan.magenheimer@oracle.com>
We do not need to take so much care over putting the original vcpu to
sleep, as it will not be spinning on progress of the idle vcpu.
Signed-off-by: Keir Fraser <keir.fraser@citrix.com>
...rather than in softirq context. This is expected to avoid a lot of
subtle deadlocks relating to the fact that softirqs can interrupt a
scheduled vcpu.
Signed-off-by: Keir Fraser <keir.fraser@citrix.com>
This is preparation for implementing tasklets in vcpu context rather
than softirq context. There is no change to the implementation of
tasklets in this patch.
Signed-off-by: Keir Fraser <keir.fraser@citrix.com>
I noticed that 2 scripts in Xen 4.0.0 are calling "gawk". Normally, in
most distributions, gawk is considered a specific version of awk.
Calling "gawk" and not "awk" generally means that you need
specificities of the "g" version of awk, as opposed to "mawk" which is
another implementation of the same tool.
So, unless I misread the scripts, Xen doesn't need to use gawk but
just any implementation of awk, and the attached patch can safely be
applied.
If I am wrong (which I don't think I am at the first look) and that
there's a reason why gawk is used and not awk, then IMHO, the toplevel
README should mention it in the prerequisites.
From: Thomas Goirand <thomas@goirand.fr>
Signed-off-by: Keir Fraser <keir.fraser@citrix.com>
blktapctrl supports both 'tapdisk' and 'ioemu' subtypes in tap
protocol specification. Support the 'ioemu' subtype in xend
BlktapController as well.
Signed-off-by: Jim Fehlig <jfehlig@novell.com>
Perhaps this should even be further generalized (e.g. to remove any
"[!/]*:" pattern prefixes) to be more forward compatible?
Signed-off-by: Jan Beulich <jbeulich@novell.com>
With this method, we don't need to collect bank and globalinformation
to a local variable and do x86_mcinfo_add() to copy that information
to mc_info. This avoid copy and also we can be aware earlier if there
is enough space in the mc_info.
Also extract function that get global/bank information to seperated
function mca_init_bank/mca_init_global.
It's meaningless to get the current information in mce context, keep
it here but should be removed in future.
Also a flag added to mc_info, to indicate some information is lost due
to OOM.
Signed-off-by: Jiang, Yunhong <yunhong.jiang@intel.com>
Remove all virtual MCE related work into a seperated file.
It also try to do some clean-up on the vMCE, including:
a) renmae some function name like mce_init_msr/mce_rdmsr to be
vmce_init_msr/vmce_rdmsr to make it more straightforward,
b) make the vmca_msrs be a pointer in arch_domain,
to decrease arch_domain's size
c) extract per-bank MCA MSR access to be seperated function
(bank_mce_wrmsr/bank_mce_rdmsr) to make it be a bit cleaner.
d) A new file xen/include/asm-x86/mce.h is added for vmce related
header.
Signed-off-by: Jiang, Yunhong <yunhong.jiang@intel.com>
Keir Fraser