From: Con Kolivas <kernel@kolivas.org>
To: linux <linux-kernel@vger.kernel.org>
Cc: Andrew Morton <akpm@osdl.org>, Ingo Molnar <mingo@elte.hu>,
Peter Williams <pwil3058@bigpond.net.au>,
William Lee Irwin III <wli@holomorphy.com>,
Alexander Nyberg <alexn@dsv.su.se>,
Nick Piggin <nickpiggin@yahoo.com.au>
Subject: [PATCH][plugsched 19/28] Name and choose scheduler
Date: Sun, 31 Oct 2004 00:40:15 +1000 [thread overview]
Message-ID: <4183A7CF.8070902@kolivas.org> (raw)
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Name and choose scheduler
[-- Attachment #1.2: setup_scheduler.diff --]
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Add a scheduler name and the beginnings of bootparam checking to change
scheduler at boot time.
Signed-off-by: Con Kolivas <kernel@kolivas.org>
Index: linux-2.6.10-rc1-mm2-plugsched1/include/linux/scheduler.h
===================================================================
--- linux-2.6.10-rc1-mm2-plugsched1.orig/include/linux/scheduler.h 2004-10-29 21:47:52.739595073 +1000
+++ linux-2.6.10-rc1-mm2-plugsched1/include/linux/scheduler.h 2004-10-29 21:48:05.209648954 +1000
@@ -1,5 +1,8 @@
+#define SCHED_NAME_MAX (16)
+
struct sched_drv
{
+ char cpusched_name[SCHED_NAME_MAX];
int (*rt_task)(task_t *);
void (*wait_for_completion)(struct completion *);
void (*io_schedule)(void);
Index: linux-2.6.10-rc1-mm2-plugsched1/kernel/sched.c
===================================================================
--- linux-2.6.10-rc1-mm2-plugsched1.orig/kernel/sched.c 2004-10-29 21:47:52.743594449 +1000
+++ linux-2.6.10-rc1-mm2-plugsched1/kernel/sched.c 2004-10-29 21:48:05.211648642 +1000
@@ -4151,6 +4151,7 @@ void destroy_sched_domain_sysctl()
#endif
struct sched_drv ingo_sched_drv = {
+ .cpusched_name = "ingosched",
.rt_task = ingo_rt_task,
.wait_for_completion = ingo_wait_for_completion,
.io_schedule = ingo_io_schedule,
Index: linux-2.6.10-rc1-mm2-plugsched1/kernel/scheduler.c
===================================================================
--- linux-2.6.10-rc1-mm2-plugsched1.orig/kernel/scheduler.c 2004-10-29 21:47:49.051170701 +1000
+++ linux-2.6.10-rc1-mm2-plugsched1/kernel/scheduler.c 2004-10-29 21:48:05.212648486 +1000
@@ -878,7 +878,17 @@ void fastcall complete_all(struct comple
EXPORT_SYMBOL(complete_all);
extern struct sched_drv ingo_sched_drv;
-static const struct sched_drv *scheduler = &ingo_sched_drv;
+
+static struct sched_drv *scheduler = &ingo_sched_drv;
+
+static int __init scheduler_setup(char *str)
+{
+ if (!strcmp(str, "ingosched"))
+ scheduler = &ingo_sched_drv;
+ return 1;
+}
+
+__setup ("cpusched=", scheduler_setup);
void fastcall __sched wait_for_completion(struct completion *x)
{
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reply other threads:[~2004-10-30 15:22 UTC|newest]
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