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EBUSY is a legitimate soft failure, due to inability to acquire a
lock, or because RCU work has not been done since a CPU was last
offlined.
Signed-off-by: Keir Fraser <keir@xen.org>
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This makes the interface consistent with the changes made to the main
interface in 21483:779c0ef9682c.
Also fix some references to "struct xc_interface" which should have
been simply "xc_interface" in tools/xenpaging, and update QEMU_TAG to
pull in the corresponding qemu change.
Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Signed-off-by: Ian Jackson <ian.jackson@eu.citrix.com>
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This patch eliminate the global variables in libxenctrl (used for
logging and error reporting).
Instead the information which was in the global variables is now in a
new xc_interface* opaque structure, which xc_interface open returns
instead of the raw file descriptor; furthermore, logging is done via
xentoollog.
There are three new parameters to xc_interface_open to control the
logging, but existing callers can just pass "0" for all three to get
the old behaviour.
All libxc callers have been adjusted accordingly.
Also update QEMU_TAG for corresponding qemu change.
Signed-off-by: Ian Jackson <ian.jackson@eu.citrix.com>
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Signed-off-by: Keir Fraser <keir.fraser@citrix.com>
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Signed-off-by: Keir Fraser <keir.fraser@citrix.com>
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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>
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