This fixed a fairly innocuous bug (OP_ENABLE/OP_OFF both don't work
properly) but unmasked a much nastier one (turning off shadow mode on
a PV guest crashes the hypervisor).
So, for now, we pick the less of two evils. We don't really much rely
on OP_ENABLE/OP_OFF anyway, as it happens.
Signed-off-by: Keir Fraser <keir.fraser@citrix.com>
Don't re-allocate memory for irq_channel which will cause a BUG_ON in
hpet_msi_write, and make sure hpet_setup_msi_irq() executed during S3
resuming.
Signed-off-by: Wei Gang <gang.wei@intel.com>
Some legacy BIOS which support ACPI2.0+ may expose two FACS tables via
both FADT->FIRMWARE_CTRL and FADT->X_FIRMWARE_CTRL, but only lookup S3
waking_vector in the first one.
Signed-off-by: Wei Gang <gang.wei@intel.com>
Signed-off-by: Keir Fraser <keir.fraser@citrix.com>
This patch fixes the following error on ia64:
iommu.c: In function 'init_vtd_hw':
iommu.c:1831: error: 'nr_ioapics' undeclared (first use in this
function)
Signed-off-by: KUWAMURA Shin'ya <kuwa@jp.fujitsu.com>
expression
Without that, gcc 4.5 won't compile (at least) netfront, where this is
being used to specify array sizes.
Signed-off-by: Jan Beulich <jbeulich@novell.com>
1) A buggy BIOS may not report IOAPIC in DRHD. Currently we still try
to enable IR while the IOAPIC RTEs are still in non-remappable format
and the host would hang. The patch detects this case and will not try
to enable IR.
2) Currently HPET's MSI mode doesn't work if IR is enabled because we
have no code to allocate IRTE for it. Luckily this HW configuration is
rather rarely at present, we can just work it around by only using
HPET's IOAPIC mode for now.
Signed-off-by: Dexuan Cui <dexuan.cui@intel.com>
After 19946:91407452cdb6, preemption in multicall may happen while HVM
domains are running. It cause hypervisor's panic on ia64.
This patch implements it in the same way to x86.
Signed-off-by: KUWAMURA Shin'ya <kuwa@jp.fujitsu.com>
The following commands don't show an usage message even if we give
a wrong option to the commands.
- xm block-list
- xm network-list
- xm network2-list
- xm vtpm-list
- xm pci-list
- xm scsi-list
e.g.
# xm block-list --xxx vm1
Error: option --xxx not recognized
This patch shows the usage message of the commands.
e.g.
# xm block-list --xxx vm1
Error: option --xxx not recognized
Usage: xm block-list <Domain> [--long]
List virtual block devices for a domain.
Signed-off-by: Masaki Kanno <kanno.masaki@jp.fujitsu.com>
Sometimes PV domain with vfb doesn't boot up. /sbin/kudzu is stuck.
After investigation, I've found that the evtchn for console is not
bound at all.
Normal sequence of evtchn initialization in qemu-dm for xenpv is:
1) watch xenstore backpath (/local/domain/0/backend/console/<domid>/0)
2) read console info (/local/domain/<domid>/console/{type, ring-ref,
port..=
})
3) bind the evtchn to the port.
But in some case, xend writes to the backpath before the console info
is prepared, and never write to the backpath again. So the qemu-dm
fails at 2) and never reach to 3).
When this happens, manually xenstore-write command on Domain-0
resumes the guest.
Signed-off-by: Kouya Shimura <kouya@jp.fujitsu.com>
This patch is ia64 counter part of 20281:95ea2052b41b.
This fixes the issue that HVM domains with PV-on-HVM drivers panic.
Signed-off-by: KUWAMURA Shin'ya <kuwa@jp.fujitsu.com>
When graphics card is assigned to a guest as a secondary VGA,
without gfx_passthru and emulated VGA is the primary VGA,
hvmloader misreads gfx_passthru is specified if VGA device is
found after the emulated VGA.
This patch fix this issue. If emulated VGA is found, hvmloader
preserves it and loads vgabios of the emulated VGA.
Signed-off-by: Noboru Iwamatsu <n_iwamatsu@jp.fujitsu.com>
When I use XenAPI, MAC addresses are not shown by xm network-list.
MAC addresses are shown by this patch.
Signed-off-by: Masaki Kanno <kanno.masaki@jp.fujitsu.com>
Mask AMD CPUID masks in software before writing them to the MSRs.
Setting bits in the CPUID mask MSR that are not set in the unmasked
CPUID response can cause those bits to be set in the masked response.
Avoid that by explicitly masking in software.
Signed-off-by: Tim Deegan <Tim.Deegan@citrix.com>
Since machine checks and CMCIs can happen before Dom0 even gets
constructed, the handlers of these events have to avoid de-referencing
respective pointers without checking.
Signed-off-by: Jan Beulich <jbeulich@novell.com>
The failure to read "backend/tap/<domid>/*" in the xenstore is a usual
case since the domain is gone after xenstore-ls command is executed.
The error should be ignored.
Signed-off-by: Kouya Shimura <kouya@jp.fujitsu.com>
when VCPU is polling on event channel, it usually has urgent task
running, e.g. spin_lock, in this case, it is better for cpuidle driver
not to enter deep C state.
This patch fix the issue that SLES 11 SP1 domain0 hangs in the box of
large number of CPUs (>= 64 CPUs).
Signed-off-by: Yu Ke <ke.yu@intel.com>
Signed-off-by: Tian Kevin <kevin.tian@intel.com>
Signed-off-by: Keir Fraser <keir.fraser@citrix.com>
Two 'name's are defined in LEGACY_CFG_TYPES of XendConfig.py.
LEGACY_XENSTORE_VM_PARAMS also is same.
This patch removes redundant 'name's.
Signed-off-by: Masaki Kanno <kanno.masaki@jp.fujitsu.com>
Currently it doesn't block running, anyway, it better fix the small
bug considering if in the future HVM_MAX_VCPUS will not necessarily be
8x value.
Signed-off-by: Liu, Jinsong <jinsong.liu@intel.com>=
Fix an ACPI asl bug by explicitly convert PRS to buffer, otherwise PRS
would be parsed as integer if less than 32/64 bits (according to ACPI
1.0 or 2.0).
Signed-off-by: Liu, Jinsong <jinsong.liu@intel.com>
Keir Fraser