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.dun...@eu.citrix.com>
CC: Dario Faggioli <dario.faggi...@citrix.com>
CC: Josh Whitehead <josh.whiteh...@dornerworks.com>
CC: Robert VanVossen <robert.vanvos...@dornerworks.com>
Signed-off-by: Jonathan Creekmore <jonathan.creekm...@gmail.com>
Acked-by: Dario Faggioli <dario.faggi...@citrix.com>
Reviewed-by: Andrew Cooper <andrew.coop...@citrix.com>
Reviewed-by: Doug Goldstein <car...@cardoe.com>
---
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
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