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Libvirt native C API and daemons
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c6e9024867
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Wang Rui c6e9024867 qemu: fix domain startup failing with 'strict' mode in numatune 
If the memory mode is specified as 'strict' and with one node, we
get the following error when starting domain.

error: Unable to write to '$cgroup_path/cpuset.mems': Device or resource busy

XML is configured with numatune as follows:
  <numatune>
    <memory mode='strict' nodeset='0'/>
  </numatune>

It's broken by Commit 411cea638f
which moved qemuSetupCgroupForEmulator() before setting cpuset.mems
in qemuSetupCgroupPostInit.

Directory '$cgroup_path/emulator/' is created in qemuSetupCgroupForEmulator.
But '$cgroup_path/emulator/cpuset.mems' it not set and has a default value
(all nodes, such as 0-1). Then we setup '$cgroup_path/cpuset.mems' to the
nodemask (in this case it's '0') in qemuSetupCgroupPostInit. It must fail.

This patch makes '$cgroup_path/emulator/cpuset.mems' is set before
'$cgroup_path/cpuset.mems'. The action is similar with that in
qemuDomainSetNumaParamsLive.

Signed-off-by: Wang Rui <moon.wangrui@huawei.com>
2014-11-11 12:14:09 +01:00
.gnulib@9565c3be73 maint: update to latest gnulib 2014-09-06 19:14:43 -06:00
build-aux maint: improve syntax check for space around = 2014-08-12 11:21:17 -06:00
daemon audit: use bool for audit log choice 2014-10-29 09:55:09 -06:00
docs qemu: Modify the structure _virDomainBlockIoTuneInfo. 2014-11-10 15:48:59 +01:00
examples examples: add systemtap script to ease lock debugging 2014-11-03 16:43:23 +01:00
gnulib maint: update to latest gnulib 2014-01-01 06:02:47 -07:00
include qemu: Add bps_max and friends qemu driver 2014-11-10 17:18:17 +01:00
m4 build: prefer -fstack-protector-strong to -all 2014-06-12 08:16:03 +02:00
po Transform VIR_ERROR into VIR_WARN in detect_scsi_host_caps 2014-11-07 16:44:48 +01:00
src qemu: fix domain startup failing with 'strict' mode in numatune 2014-11-11 12:14:09 +01:00
tests qemu: Add bps_max and friends qemu driver 2014-11-10 17:18:17 +01:00
tools Fix invalid log, misused option types and a typo 2014-11-11 11:05:43 +01:00
.ctags maint: Make ctags work out of the box 2013-07-18 08:47:21 +02:00
.dir-locals.el build: avoid tabs that failed syntax-check 2012-09-06 09:43:46 -06:00
.gitignore gitignore: use wildcard for configure's temporary files 2014-11-06 16:56:21 +01:00
.gitmodules make .gnulib a submodule 2009-07-08 16:17:51 +02:00
.mailmap maint: update .mailmap 2014-10-06 08:23:47 -06:00
AUTHORS.in Cleanup maintainers list 2014-10-15 10:16:47 +02:00
autobuild.sh Disable libvirtd by default when building on Win32 2014-04-29 11:30:32 +01:00
autogen.sh maint: detect VPATH builds when checking for gnulib update 2014-06-04 16:06:55 -06:00
bootstrap maint: update to latest gnulib 2014-01-01 06:02:47 -07:00
bootstrap.conf Add helpers for getting env vars in a setuid environment 2013-10-21 14:03:52 +01:00
cfg.mk maint: add syntax check to prohibit static zero init 2014-10-29 09:55:09 -06:00
ChangeLog-old Fix typos in src/* 2014-04-21 16:49:08 -06:00
config-post.h build: fix build of virt-login-shell on systems with older gnutls 2013-10-22 09:41:50 -06:00
configure.ac Post-release version bump for new dev cycle 2014-11-03 10:40:44 -05:00
COPYING maint: follow recommended practice for using LGPL 2013-05-20 14:15:21 -06:00
COPYING.LESSER maint: follow recommended practice for using LGPL 2013-05-20 14:15:21 -06:00
HACKING doc: HACKING: Regenerate after recent change 2014-10-22 17:50:08 +02:00
libvirt-lxc.pc.in Add pkg-config files for libvirt-qemu & libvirt-lxc 2014-06-23 16:17:27 +01:00
libvirt-qemu.pc.in Add pkg-config files for libvirt-qemu & libvirt-lxc 2014-06-23 16:17:27 +01:00
libvirt.pc.in Add pkg-config files for libvirt-qemu & libvirt-lxc 2014-06-23 16:17:27 +01:00
libvirt.spec.in Release of libvirt-1.2.10 2014-11-03 14:32:39 +08:00
Makefile.am examples: Introduce domtop 2014-07-18 16:39:54 +02:00
Makefile.nonreentrant maint: use LGPL correctly 2013-05-20 14:03:48 -06:00
mingw-libvirt.spec.in Move virConnect related APIs out of libvirt.h.in 2014-10-24 17:23:51 +01:00
README Correct typos in the documentation (Atsushi SAKAI) 2008-01-24 10:15:13 +00:00
README-hacking docs: update README-hacking 2014-05-06 16:20:24 -06:00
run.in Add PKG_CONFIG_PATH to run.in script. 2014-06-26 14:32:35 +01:00
TODO Update todo list file to point at bugzilla/website 2010-10-13 16:45:26 +01:00

README 

         LibVirt : simple API for virtualization

  Libvirt is a C toolkit to interact with the virtualization capabilities
of recent versions of Linux (and other OSes). It is free software
available under the GNU Lesser General Public License. Virtualization of
the Linux Operating System means the ability to run multiple instances of
Operating Systems concurrently on a single hardware system where the basic
resources are driven by a Linux instance. The library aim at providing
long term stable C API initially for the Xen paravirtualization but
should be able to integrate other virtualization mechanisms if needed.

Daniel Veillard <veillard@redhat.com>