21 Dec, 2015

1 commit

• cfafae940   xen: rename dom0_op to platform_op ... Browse Code »

  The dom0_op hypercall has been renamed to platform_op since Xen 3.2,
  which is ancient, and modern upstream Linux kernels cannot run as dom0
  and it anymore anyway.

  Signed-off-by: Stefano Stabellini
  Reviewed-by: Boris Ostrovsky

  Stefano Stabellini

  2015-12-21 22:40:55 +0800  

16 Mar, 2015

1 commit

• 4644e5ab0   xen: pcpu: Use static attribute groups for sysfs entry ... Browse Code »

  Instead of manual calls of device_create_file() and
  device_remove_file(), assign the static attribute groups to the device
  to register. The conditional build of sysfs is done in is_visible
  callback instead.

  Signed-off-by: Takashi Iwai
  Signed-off-by: David Vrabel

  Takashi Iwai

  2015-03-16 22:49:13 +0800  

01 Mar, 2014

1 commit

• 6cb606f10   drivers: xen: Include appropriate header file in pcpu.c ... Browse Code »

  Include appropriate header file in xen/pcpu.c because include/xen/acpi.h
  contains prototype declaration of functions defined in the file.

  This eliminates the following warning in xen/pcpu.c:
  drivers/xen/pcpu.c:336:6: warning: no previous prototype for ‘xen_pcpu_hotplug_sync’ [-Wmissing-prototypes]
  drivers/xen/pcpu.c:346:5: warning: no previous prototype for ‘xen_pcpu_id’ [-Wmissing-prototypes]

  Signed-off-by: Rashika Kheria
  Reviewed-by: Josh Triplett
  Signed-off-by: Konrad Rzeszutek Wilk
  Reviewed-by: David Vrabel

  Rashika Kheria

  2014-03-01 04:26:08 +0800  

28 Jun, 2013

1 commit

• 283c0972d   xen: Convert printks to pr_<level> ... Browse Code »

  Convert printks to pr_ (excludes printk(KERN_DEBUG...)
  to be more consistent throughout the xen subsystem.

  Add pr_fmt with KBUILD_MODNAME or "xen:" KBUILD_MODNAME
  Coalesce formats and add missing word spaces
  Add missing newlines
  Align arguments and reflow to 80 columns
  Remove DRV_NAME from formats as pr_fmt adds the same content

  This does change some of the prefixes of these messages
  but it also does make them more consistent.

  Signed-off-by: Joe Perches
  Signed-off-by: Konrad Rzeszutek Wilk

  Joe Perches

  2013-06-28 23:19:58 +0800  

25 Feb, 2013

1 commit

• 77be36de8   Merge tag 'stable/for-linus-3.9-rc0-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen ... Browse Code »

  Pull Xen update from Konrad Rzeszutek Wilk:
  "This has two new ACPI drivers for Xen - a physical CPU offline/online
  and a memory hotplug. The way this works is that ACPI kicks the
  drivers and they make the appropiate hypercall to the hypervisor to
  tell it that there is a new CPU or memory. There also some changes to
  the Xen ARM ABIs and couple of fixes. One particularly nasty bug in
  the Xen PV spinlock code was fixed by Stefan Bader - and has been
  there since the 2.6.32!

  Features:
  - Xen ACPI memory and CPU hotplug drivers - allowing Xen hypervisor
  to be aware of new CPU and new DIMMs
  - Cleanups
  Bug-fixes:
  - Fixes a long-standing bug in the PV spinlock wherein we did not
  kick VCPUs that were in a tight loop.
  - Fixes in the error paths for the event channel machinery"

  Fix up a few semantic conflicts with the ACPI interface changes in
  drivers/xen/xen-acpi-{cpu,mem}hotplug.c.

  * tag 'stable/for-linus-3.9-rc0-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen:
  xen: event channel arrays are xen_ulong_t and not unsigned long
  xen: Send spinlock IPI to all waiters
  xen: introduce xen_remap, use it instead of ioremap
  xen: close evtchn port if binding to irq fails
  xen-evtchn: correct comment and error output
  xen/tmem: Add missing %s in the printk statement.
  xen/acpi: move xen_acpi_get_pxm under CONFIG_XEN_DOM0
  xen/acpi: ACPI cpu hotplug
  xen/acpi: Move xen_acpi_get_pxm to Xen's acpi.h
  xen/stub: driver for CPU hotplug
  xen/acpi: ACPI memory hotplug
  xen/stub: driver for memory hotplug
  xen: implement updated XENMEM_add_to_physmap_range ABI
  xen/smp: Move the common CPU init code a bit to prep for PVH patch.

  Linus Torvalds

  2013-02-25 08:18:31 +0800  

20 Feb, 2013

1 commit

• 39adc483d   xen/acpi: ACPI cpu hotplug ... Browse Code »

  This patch implement real Xen ACPI cpu hotplug driver as module.
  When loaded, it replaces Xen stub driver.

  For booting existed cpus, the driver enumerates them.
  For hotadded cpus, which added at runtime and notify OS via
  device or container event, the driver is invoked to add them,
  parsing cpu information, hypercalling to Xen hypervisor to add
  them, and finally setting up new /sys interface for them.

  Signed-off-by: Liu Jinsong
  Signed-off-by: Konrad Rzeszutek Wilk

  Liu Jinsong

  2013-02-20 11:02:29 +0800  

14 Feb, 2013

1 commit

• 4f8c85272   xen: remove redundant NULL check before unregister_and_remove_pcpu(). ... Browse Code »

  unregister_and_remove_pcpu on a NULL pointer is a no-op, so the NULL check in
  sync_pcpu can be removed.

  Signed-off-by: Cyril Roelandt
  Signed-off-by: Konrad Rzeszutek Wilk

  Cyril Roelandt

  2013-02-14 04:40:33 +0800  

20 Jul, 2012

1 commit

• f65c9bb3f   xen/pcpu: Xen physical cpus online/offline sys interface ... Browse Code »

  This patch provide Xen physical cpus online/offline sys interface.
  User can use it for their own purpose, like power saving:
  by offlining some cpus when light workload it save power greatly.

  Its basic workflow is, user online/offline cpu via sys interface,
  then hypercall xen to implement, after done xen inject virq back to dom0,
  and then dom0 sync cpu status.

  Signed-off-by: Jiang, Yunhong
  Signed-off-by: Liu, Jinsong
  Signed-off-by: Konrad Rzeszutek Wilk

  Liu, Jinsong

  2012-07-20 03:51:39 +0800