[Xen-changelog] [xen master] sched: register the schedulers into the list

[patchbot@xxxxxxx]

commit 18c8d613aa8d8d6dc0da1a70d55249ddd78e28f4
Author:     Jonathan Creekmore <jonathan.creekmore@xxxxxxxxx>
AuthorDate: Thu Jan 21 16:06:36 2016 +0100
Commit:     Jan Beulich <jbeulich@xxxxxxxx>
CommitDate: Thu Jan 21 16:06:36 2016 +0100

    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.
    
    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(+), 0 deletions(-)

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 02afddf..1645f9c 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
 {
--
generated by git-patchbot for /home/xen/git/xen.git#master

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