From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jonathan Creekmore Subject: [PATCH v3 4/5] sched: Register the schedulers into the list Date: Thu, 7 Jan 2016 11:29:20 -0600 Message-ID: <1452187761-38328-5-git-send-email-jonathan.creekmore@gmail.com> References: <1452187761-38328-1-git-send-email-jonathan.creekmore@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mail6.bemta4.messagelabs.com ([85.158.143.247]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1aHENh-0006p0-Kt for xen-devel@lists.xenproject.org; Thu, 07 Jan 2016 17:29:49 +0000 Received: by mail-yk0-f176.google.com with SMTP id v14so243891070ykd.3 for ; Thu, 07 Jan 2016 09:29:48 -0800 (PST) In-Reply-To: <1452187761-38328-1-git-send-email-jonathan.creekmore@gmail.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: xen-devel@lists.xenproject.org Cc: George Dunlap , Jonathan Creekmore , Dario Faggioli , Josh Whitehead , Robert VanVossen List-Id: xen-devel@lists.xenproject.org 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 CC: Dario Faggioli CC: Josh Whitehead CC: Robert VanVossen Signed-off-by: Jonathan Creekmore Acked-by: Dario Faggioli Reviewed-by: Andrew Cooper Reviewed-by: Doug Goldstein --- 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