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xen: features and fixes for 4.8-rc0

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- ACPI support for guests on ARM platforms.
 - Generic steal time support for arm and x86.
 - Support cases where kernel cpu is not Xen VCPU number (e.g., if
   in-guest kexec is used).
 - Use the system workqueue instead of a custom workqueue in various
   places.
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Merge tag 'for-linus-4.8-rc0-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip

Pull xen updates from David Vrabel:
 "Features and fixes for 4.8-rc0:

   - ACPI support for guests on ARM platforms.
   - Generic steal time support for arm and x86.
   - Support cases where kernel cpu is not Xen VCPU number (e.g., if
     in-guest kexec is used).
   - Use the system workqueue instead of a custom workqueue in various
     places"

* tag 'for-linus-4.8-rc0-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip: (47 commits)
  xen: add static initialization of steal_clock op to xen_time_ops
  xen/pvhvm: run xen_vcpu_setup() for the boot CPU
  xen/evtchn: use xen_vcpu_id mapping
  xen/events: fifo: use xen_vcpu_id mapping
  xen/events: use xen_vcpu_id mapping in events_base
  x86/xen: use xen_vcpu_id mapping when pointing vcpu_info to shared_info
  x86/xen: use xen_vcpu_id mapping for HYPERVISOR_vcpu_op
  xen: introduce xen_vcpu_id mapping
  x86/acpi: store ACPI ids from MADT for future usage
  x86/xen: update cpuid.h from Xen-4.7
  xen/evtchn: add IOCTL_EVTCHN_RESTRICT
  xen-blkback: really don't leak mode property
  xen-blkback: constify instance of "struct attribute_group"
  xen-blkfront: prefer xenbus_scanf() over xenbus_gather()
  xen-blkback: prefer xenbus_scanf() over xenbus_gather()
  xen: support runqueue steal time on xen
  arm/xen: add support for vm_assist hypercall
  xen: update xen headers
  xen-pciback: drop superfluous variables
  xen-pciback: short-circuit read path used for merging write values
  ...
This commit is contained in:
Linus Torvalds 2016-07-27 11:35:37 -07:00
commit 08fd8c1768
59 changed files with 1150 additions and 493 deletions
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15
include/uapi/xen/evtchn.h
View file

@ -85,4 +85,19 @@ struct ioctl_evtchn_notify {
#define IOCTL_EVTCHN_RESET \
_IOC(_IOC_NONE, 'E', 5, 0)
/*
* Restrict this file descriptor so that it can only be used to bind
* new interdomain events from one domain.
*
* Once a file descriptor has been restricted it cannot be
* de-restricted, and must be closed and re-opened. Event channels
* which were bound before restricting remain bound afterwards, and
* can be notified as usual.
*/
#define IOCTL_EVTCHN_RESTRICT_DOMID \
_IOC(_IOC_NONE, 'E', 6, sizeof(struct ioctl_evtchn_restrict_domid))
struct ioctl_evtchn_restrict_domid {
domid_t domid;
};
#endif /* __LINUX_PUBLIC_EVTCHN_H__ */