[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-devel] [PATCH v5 4/5] sched: Register the schedulers into the list
Adds a simple macro to place a pointer to a scheduler into an array section at compile time. Also, goes ahead and generates the array entries with each of the schedulers. CC: George Dunlap <george.dunlap@xxxxxxxxxxxxx> CC: Dario Faggioli <dario.faggioli@xxxxxxxxxx> CC: Josh Whitehead <josh.whitehead@xxxxxxxxxxxxxxx> CC: Robert VanVossen <robert.vanvossen@xxxxxxxxxxxxxxx> Signed-off-by: Jonathan Creekmore <jonathan.creekmore@xxxxxxxxx> Acked-by: Dario Faggioli <dario.faggioli@xxxxxxxxxx> Reviewed-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx> Reviewed-by: Doug Goldstein <cardoe@xxxxxxxxxx> Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx> --- xen/common/sched_arinc653.c | 2 ++ xen/common/sched_credit.c | 2 ++ xen/common/sched_credit2.c | 2 ++ xen/common/sched_rt.c | 2 ++ xen/include/xen/sched-if.h | 2 ++ 5 files changed, 10 insertions(+) diff --git a/xen/common/sched_arinc653.c b/xen/common/sched_arinc653.c index dbe02ed..3b59514 100644 --- a/xen/common/sched_arinc653.c +++ b/xen/common/sched_arinc653.c @@ -767,6 +767,8 @@ const struct scheduler sched_arinc653_def = { .tick_resume = NULL, }; +REGISTER_SCHEDULER(sched_arinc653_def); + /* * Local variables: * mode: C diff --git a/xen/common/sched_credit.c b/xen/common/sched_credit.c index 0dce790..e586248 100644 --- a/xen/common/sched_credit.c +++ b/xen/common/sched_credit.c @@ -2027,3 +2027,5 @@ const struct scheduler sched_credit_def = { .tick_suspend = csched_tick_suspend, .tick_resume = csched_tick_resume, }; + +REGISTER_SCHEDULER(sched_credit_def); diff --git a/xen/common/sched_credit2.c b/xen/common/sched_credit2.c index 3c49ffa..38b02d0 100644 --- a/xen/common/sched_credit2.c +++ b/xen/common/sched_credit2.c @@ -2228,3 +2228,5 @@ const struct scheduler sched_credit2_def = { .alloc_domdata = csched2_alloc_domdata, .free_domdata = csched2_free_domdata, }; + +REGISTER_SCHEDULER(sched_credit2_def); diff --git a/xen/common/sched_rt.c b/xen/common/sched_rt.c index 3f1d047..7640cd0 100644 --- a/xen/common/sched_rt.c +++ b/xen/common/sched_rt.c @@ -1199,3 +1199,5 @@ const struct scheduler sched_rtds_def = { .wake = rt_vcpu_wake, .context_saved = rt_context_saved, }; + +REGISTER_SCHEDULER(sched_rtds_def); diff --git a/xen/include/xen/sched-if.h b/xen/include/xen/sched-if.h index 493d43f..9c6e0f5 100644 --- a/xen/include/xen/sched-if.h +++ b/xen/include/xen/sched-if.h @@ -170,6 +170,8 @@ extern const struct scheduler sched_credit2_def; extern const struct scheduler sched_arinc653_def; extern const struct scheduler sched_rtds_def; +#define REGISTER_SCHEDULER(x) static const struct scheduler *x##_entry \ + __used_section(".data.schedulers") = &x; struct cpupool { -- 2.6.4 _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
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