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| author | kaf24@firebug.cl.cam.ac.uk <kaf24@firebug.cl.cam.ac.uk> | 2006-02-08 17:27:32 +0100 |
|---|---|---|
| committer | kaf24@firebug.cl.cam.ac.uk <kaf24@firebug.cl.cam.ac.uk> | 2006-02-08 17:27:32 +0100 |
| commit | 6472d247518ec5540e2198c598c791e00bb0b8f0 (patch) | |
| tree | 0df75b845325007e9c73fc87b4d914f3563e556e /xen/include/xen/timer.h | |
| parent | 55a07900b41856a70fd460cadc5ced056f67d31c (diff) | |
| download | xen-6472d247518ec5540e2198c598c791e00bb0b8f0.tar.gz xen-6472d247518ec5540e2198c598c791e00bb0b8f0.tar.bz2 xen-6472d247518ec5540e2198c598c791e00bb0b8f0.zip | |
Fix Xen timer interface to allow migration of timers
among CPUs (using new migrate_timer() call). Fix the
locking protocol in light of this addition.
Signed-off-by: Keir Fraser <keir@xensource.com>
Diffstat (limited to 'xen/include/xen/timer.h')
| -rw-r--r-- | xen/include/xen/timer.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/xen/include/xen/timer.h b/xen/include/xen/timer.h index f53a7ed35f..ed25521c1a 100644 --- a/xen/include/xen/timer.h +++ b/xen/include/xen/timer.h @@ -66,6 +66,12 @@ extern void set_timer(struct timer *timer, s_time_t expires); extern void stop_timer(struct timer *timer); /* + * Migrate a timer to a different CPU. The timer must have been previously + * initialised by init_timer(). The timer may be active. + */ +extern void migrate_timer(struct timer *timer, unsigned int new_cpu); + +/* * Deactivate a timer and prevent it from being re-set (future calls to * set_timer will silently fail). When this function returns it is guaranteed * that the timer callback handler is not running on any CPU. |