Run check_blktap_sharing() only when a disk is added to guest with blktap.
A check_blktap_sharing() doesn't have to be run when a disk is removed.
Signed-off-by: Hirofumi Tsujimura <tsujimura.hirof@jp.fujitsu.com>
Signed-off-by: Takanori Kasai <kasai.takanori@jp.fujitsu.com>
In addr_to_dma_page_maddr(), pte should not be used after
unmap_vtd_domain_page(parent). In addition, timeout is added in some
infinite loops.
Signed-off-by: Weidong Han <weidong.han@intel.com>
If a hang-up of a guest OS occurs, we will restart the guest OS by
using
the following commands.
1. xm destroy
2. xm create or xm start
To reduce the number of xm commands to use, this patch adds a new
command. The command is "xm reset". The command executes destruction
of a domain, and then creation of the domain.
Signed-off-by: Masaki Kanno <kanno.masaki@jp.fujitsu.com>
Added undocumented fields and methods for default_netmask and
default_gateway to the Network class. Remove an unimplemented method
from the XSPolicy class and remove the 'optional' from 'oldlabel'
parameters.
Signed-off-by: Stefan Berger <stefanb@us.ibm.com>
changeset e1962ac0fb1c breaks cross-builds because it assumes the
system strip tool applies to the generated binaries. This assumption
isn't made anywhere else in the xen tools build.
Signed-off-by: Aron Griffis <aron@hp.com>
on the stack. This allows us to add emulation for a number of extra
FPU opcodes without inflating the executable code size.
Signed-off-by: Keir Fraser <keir.fraser@citrix.com>
MSI interrupt will be triggered on IO page fault and the fault address
will be written into an in-memory event log buffer automatically by
hardware. This patch handles the MSI interrupt simply by reading event
log entry and printing out the parsed result.
Signed-off-by: Wei Wang <wei.wang2@amd.com>
- Move MTRR MSR initialisation into hvmloader.
- Simplify initialisation logic by overlaying UC on default WB rather
than vice versa.
- Clean up hypervisor HVM MTRR/PAE code's interface with rest of
hypervisor.
Signed-off-by: Keir Fraser <keir.fraser@citrix.com>
which with the offset support also permits to expose the VGA vram and
non-shared vram throught PVFB at the same time, switching between both
as appropriate.
Signed-off-by: Samuel Thibault <samuel.thibault@eu.citrix.com>
Rescheduling the call to handle_buffered_io costs the system call to
qemu_get_clock(), which is very expensive considering the the latency
we would like to achieve for I/O reqs, so we should avoid it.
That means that handle_buffered_io may be called as often as every
0.1s, but that's not so costly.
Signed-off-by: Samuel Thibault <samuel.thibault@eu.citrix.com>
- Merge the search, wakeup, and timeout loops.
- Avoid unnecessarily switching to the idle thread.
- Perform stack release _after_ we get out of it.
Signed-off-by: Samuel Thibault <samuel.thibault@eu.citrix.com>
markers at its beginning and end, and then link with mini-os.
That permits to stick a bit more to upstream qemu.
Signed-off-by: Samuel Thibault <samuel.thibault@eu.citrix.com>
The register is only visible for DWORD accesses. Furthermore, some
chipsets place other registers in the range 0xf8-0xcfb for sub-DWORD
accesses.
Signed-off-by: Keir Fraser <keir.fraser@citrix.com>
The new upstream xen/pci.h has a name conflict with our modified
linux/pci.h and shows up earlier in the include search path. Since
our usage of linux/pci.h is limited, rename to linux/linux-pci.h to
avoid duplicate names and cleanup the few users.
Signed-off-by: Alex Williamson <alex.williamson@hp.com>
busy-wait for softirq work to start. This reduces the possibility of
deadlocks, but the implementation is now less efficient. For the
current few users of tasklets this does not matter.
Signed-off-by: Keir Fraser <keir.fraser@citrix.com>
Keir Fraser