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| author | Keir Fraser <keir.fraser@citrix.com> | 2010-05-04 22:43:30 +0100 |
|---|---|---|
| committer | Keir Fraser <keir.fraser@citrix.com> | 2010-05-04 22:43:30 +0100 |
| commit | 559a9ec5800922288bac571d0beb9e4240fe7e1d (patch) | |
| tree | 9fe8a2aab1bfc3dad9c1f3b4d1389ab48fc77572 /xen/common/sysctl.c | |
| parent | 837a388c915f26280e404e12b4a940a912e8eca7 (diff) | |
| download | xen-559a9ec5800922288bac571d0beb9e4240fe7e1d.tar.gz xen-559a9ec5800922288bac571d0beb9e4240fe7e1d.tar.bz2 xen-559a9ec5800922288bac571d0beb9e4240fe7e1d.zip | |
scheduler: Add a global parameter adjustment to the switchable scheduler interface
...along with a new sysctl to call it directly. This is in order to
support DornerWorks' new ARINC653 scheduler.
Based on code from Josh Holtrop and Kathy Hadley at DornerWorks, Ltd
Signed-off-by: George Dunlap <george.dunlap@eu.citrix.com>
Signed-off-by: Keir Fraser <keir.fraser@eu.citrix.com>
Diffstat (limited to 'xen/common/sysctl.c')
| -rw-r--r-- | xen/common/sysctl.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/xen/common/sysctl.c b/xen/common/sysctl.c index 51b0a8e414..5365c20f29 100644 --- a/xen/common/sysctl.c +++ b/xen/common/sysctl.c @@ -326,6 +326,14 @@ long do_sysctl(XEN_GUEST_HANDLE(xen_sysctl_t) u_sysctl) } break; + case XEN_SYSCTL_scheduler_op: + { + ret = sched_adjust_global(&op->u.scheduler_op); + if ( (ret == 0) && copy_to_guest(u_sysctl, op, 1) ) + ret = -EFAULT; + } + break; + default: ret = arch_do_sysctl(op, u_sysctl); break; |