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More specifically:
1. replaces xenctl_cpumap with xenctl_bitmap
2. provides bitmap_to_xenctl_bitmap and the reverse;
3. re-implement cpumask_to_xenctl_bitmap with
bitmap_to_xenctl_bitmap and the reverse;
Other than #3, no functional changes. Interface only slightly
afected.
This is in preparation of introducing NUMA node-affinity maps.
Signed-off-by: Dario Faggioli <dario.faggioli@citrix.com>
Acked-by: George Dunlap <george.dunlap@eu.citrix.com>
Acked-by: Juergen Gross <juergen.gross@ts.fujitsu.com>
Acked-by: Keir Fraser <keir@xen.org>
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the attached patch makes Xen tracing work again, after the introduction
of the hypercall buffers broke it. Just a missing line.
Thanks to Uwe Dannowski for reporting this.
Signed-off-by: Andre Przywara <andre.przywara@amd.com>
Acked-by: Ian Campbell <ian.campbell@citrix.com>
Signed-off-by: Ian Jackson <ian.jackson@eu.citrix.com>
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Rename xc_set_xen_guest_handle to set_xen_guest_handle[0] and remove now
unused functions:
- xc_memalign
- lock_pages
- unlock_pages
- hcall_buf_prep
- hcall_buf_release
[0] sed -i -e 's/xc_set_xen_guest_handle/set_xen_guest_handle/g' \
tools/libxc/*.[ch] \
tools/python/xen/lowlevel/xc/xc.c \
tools/python/xen/lowlevel/acm/acm.c \
tools/libxc/ia64/xc_ia64_stubs.c \
tools/security/secpol_tool.c \
tools/misc/xenpm.c
Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Signed-off-by: Ian Jackson <ian.jackson.citrix.com>
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Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Signed-off-by: Ian Jackson <ian.jackson.citrix.com>
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Not actually used here but useful to confirm that a handle is passed
down to each location where it will be required once we switch to
hypercall buffers.
Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Signed-off-by: Ian Jackson <ian.jackson@eu.citrix.com>
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# User Ian Campbell <ian.campbell@citrix.com>
# Date 1282671421 -3600
# Node ID d1dd29a470ef1b9d2c77478a123326036dfe90bb
# Parent d7a4adad9c328decbd384d87b23001aea8951b86
tools/libxc, tools/libelf: Relicense under LGPL v2.1
Relicense these two libraries under LGPL v2.1 only except where
individual files already included the "or later" provision.
Copyright holders have been contacted by Stephen Spector and have all
agreed this change.
Removed tools/libxc/ia64/aclinux.h since it appeared to be
unused. There is a separate, more up to date, copy in
xen/include/acpi/platform/aclinux.h which does appear to be used.
Clarify the license of MiniOS privcmd.h under the same terms as other
tools/include/xen-sys headers.
Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Acked-by: Stephen Spector <stephen.spector@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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The size in pages of trace buffer should be t_info->tbuf_size
rather than t_info pages.
Signed-off-by: Yu Zhiguo <yuzg@cn.fujitsu.com>
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Signed-off-by: Eric Liu <eric.e.liu@intel.com>
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Original patch from Jimi Xenidis <jimix@watson.ibm.com>
Signed-off-by: Keir Fraser <keir@xensource.com>
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Avoids possibility of different FILE_OFFSET_BITS defn.
across the interface.
Signed-off-by: Keir Fraser <keir@xensource.com>
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On solaris mlock requires a page aligned address and mlock doesn't
ensure the pages won't minor page fault.
Signed-off-by: Mark Johnson <mark.johnson@sun.com>
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1. platform_op -- used by dom0 kernel to perform actions on the
hardware platform (e.g., MTRR access, microcode update, platform
quirks, ...)
2. domctl -- used by management tools to control a specified domain
3. sysctl -- used by management tools for system-wide actions
Benefits include more sensible factoring of actions to
hypercalls. Also allows tool compatibility to be tracked separately
from the dom0 kernel. The assumption is that it will be easier to
replace libxenctrl, libxenguest and Xen as a matched set if the
dom0 kernel does not need to be replaced too (e.g., because that
would require vendor revalidation).
From here on we hope to maintain dom0 kernel compatibility. This
promise is not extended to tool compatibility beyond the existing
guarantee that compatibility will not be broken within a three-level
stable release [3.0.2, 3.0.3, etc.].
Signed-off-by: Keir Fraser <keir@xensource.com>
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trace-buffer size into a fatal error.
Signed-off-by: Keir Fraser <keir@xensource.com>
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the last two remaining xc_private.h users outside of libxc.
Signed-off-by: John Levon <john.levon@sun.com>
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Make header path for kernel's privcmd/evtchn headers generic.
Remove pointless xi_*() interface that was using private libxc
interfaces.
Signed-off-by: John Levon <john.levon@sun.com>
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Trailing whitespace removed with:
perl -p -i -e 's/\s+$/\n/g' tools/libxc/*.[ch]
Signed-off-by: Hollis Blanchard <hollisb@us.ibm.com>
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Valgrind cannot see when a hypercall has initialised entries in a data
structure, so appropriate memsets have been placed before using dom0_op_t,
privcmd_hypercall_t, and a couple of miscellaneous blocks passed into this
layer. This initialises the block so that valgrind considers it to be valid,
but the data therein will be immediately overwritten by the hypercall, all
being well.
These changes are semantically neutral if -DVALGRIND is not set.
Signed-off-by: Ewan Mellor <ewan@xensource.com>
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be enabled and disabled dynamically while the system is running. The
existing DOM0_TBUFCONTROL hypercall is used, and three new operations
have been added: enable, disable, and set_size. This is to address
concerns that use of the trace buffers impacts system performance.
The initial value of opt_tbuf_size is set to zero, so that trace
buffers remain disabled by default. They can be enabled as they used
to be, by adding tbuf_size= to the xen command line at boot time. They
can also be turned on and off any time when the system is running. The
size of the trace buffer allocation can also be changed dynamically
while the system is running. The trace buffers may be completely
deallocated by setting the size to zero. No change in buffer size can
be done while tracing is enabled;
Other Changes made:
- Update the constants in tools/xentrace/formats to match those in
public/trace.h
- libxc functions for enable/disable, get/set size
Still left to do:
- remove all ifdef's for trace buffers and the 'trace' build option
- xm command to do enable/disable trace buffers and get/set size
Signed-off-by: Rob Gardner <rob.gardner@hp.com>
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