Linux kernel stable tree https://git.landau.one/pub/scm/linux/kernel/git/stable/linux.git/atom?h=linux-3.8.y 2013-02-13T20:40:33+00:00 2013-02-13T20:40:33+00:00 Cyril Roelandt tipecaml@gmail.com 2013-02-12T04:01:53+00:00 urn:sha1:4f8c85272c5e7ea1f2fe15d866835bc6f8fc996f 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 <tipecaml@gmail.com> Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> 2012-07-19T19:51:39+00:00 Liu, Jinsong jinsong.liu@intel.com 2012-06-11T12:38:08+00:00 urn:sha1:f65c9bb3fb725551d3e405f4d092caf24929cebe 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 <yunhong.jiang@intel.com> Signed-off-by: Liu, Jinsong <jinsong.liu@intel.com> Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>