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Date: Mon, 6 Feb 2017 14:29:20 +0100
From: Ingo Molnar <mingo@...nel.org>
To: linux-kernel@...r.kernel.org
Cc: Andrew Morton <akpm@...ux-foundation.org>,
Linus Torvalds <torvalds@...ux-foundation.org>,
Mike Galbraith <efault@....de>,
Oleg Nesterov <oleg@...hat.com>,
Peter Zijlstra <peterz@...radead.org>,
Thomas Gleixner <tglx@...utronix.de>
Subject: [PATCH 77/89] sched/headers: Move the get_task_struct()/put_task_struct() and related APIs from <linux/sched.h> to <linux/sched/task.h>
Also update usage sites.
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Mike Galbraith <efault@....de>
Cc: Thomas Gleixner <tglx@...utronix.de>
Cc: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: linux-kernel@...r.kernel.org
Signed-off-by: Ingo Molnar <mingo@...nel.org>
---
drivers/dma/dmatest.c | 1 +
drivers/gpu/drm/etnaviv/etnaviv_gem.c | 1 +
drivers/infiniband/core/umem_odp.c | 1 +
drivers/infiniband/hw/mlx4/main.c | 1 +
drivers/infiniband/hw/mlx5/main.c | 1 +
drivers/md/persistent-data/dm-block-manager.c | 1 +
drivers/misc/cxl/main.c | 2 ++
drivers/net/xen-netback/interface.c | 1 +
drivers/oprofile/buffer_sync.c | 1 +
drivers/tty/tty_ldsem.c | 1 +
drivers/usb/usbip/usbip_common.h | 1 +
include/linux/sched.h | 14 --------------
include/linux/sched/task.h | 15 +++++++++++++++
kernel/irq/manage.c | 1 +
14 files changed, 28 insertions(+), 14 deletions(-)
diff --git a/drivers/dma/dmatest.c b/drivers/dma/dmatest.c
index c9297605058c..54d581d407aa 100644
--- a/drivers/dma/dmatest.c
+++ b/drivers/dma/dmatest.c
@@ -16,6 +16,7 @@
#include <linux/freezer.h>
#include <linux/init.h>
#include <linux/kthread.h>
+#include <linux/sched/task.h>
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/random.h>
diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gem.c b/drivers/gpu/drm/etnaviv/etnaviv_gem.c
index fb750cfe3c12..09105581b586 100644
--- a/drivers/gpu/drm/etnaviv/etnaviv_gem.c
+++ b/drivers/gpu/drm/etnaviv/etnaviv_gem.c
@@ -17,6 +17,7 @@
#include <linux/spinlock.h>
#include <linux/shmem_fs.h>
#include <linux/sched/mm.h>
+#include <linux/sched/task.h>
#include "etnaviv_drv.h"
#include "etnaviv_gem.h"
diff --git a/drivers/infiniband/core/umem_odp.c b/drivers/infiniband/core/umem_odp.c
index 5d942d91af39..72ee2635b924 100644
--- a/drivers/infiniband/core/umem_odp.c
+++ b/drivers/infiniband/core/umem_odp.c
@@ -33,6 +33,7 @@
#include <linux/types.h>
#include <linux/sched.h>
#include <linux/sched/mm.h>
+#include <linux/sched/task.h>
#include <linux/pid.h>
#include <linux/slab.h>
#include <linux/export.h>
diff --git a/drivers/infiniband/hw/mlx4/main.c b/drivers/infiniband/hw/mlx4/main.c
index 83bbe7d07100..80ab67c8dafb 100644
--- a/drivers/infiniband/hw/mlx4/main.c
+++ b/drivers/infiniband/hw/mlx4/main.c
@@ -40,6 +40,7 @@
#include <linux/rtnetlink.h>
#include <linux/if_vlan.h>
#include <linux/sched/mm.h>
+#include <linux/sched/task.h>
#include <net/ipv6.h>
#include <net/addrconf.h>
diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c
index a2393b867fe8..367bbc2c47c5 100644
--- a/drivers/infiniband/hw/mlx5/main.c
+++ b/drivers/infiniband/hw/mlx5/main.c
@@ -42,6 +42,7 @@
#endif
#include <linux/sched.h>
#include <linux/sched/mm.h>
+#include <linux/sched/task.h>
#include <linux/delay.h>
#include <rdma/ib_user_verbs.h>
#include <rdma/ib_addr.h>
diff --git a/drivers/md/persistent-data/dm-block-manager.c b/drivers/md/persistent-data/dm-block-manager.c
index 758d90cc2733..43c3471bd85f 100644
--- a/drivers/md/persistent-data/dm-block-manager.c
+++ b/drivers/md/persistent-data/dm-block-manager.c
@@ -13,6 +13,7 @@
#include <linux/rwsem.h>
#include <linux/device-mapper.h>
#include <linux/stacktrace.h>
+#include <linux/sched/task.h>
#define DM_MSG_PREFIX "block manager"
diff --git a/drivers/misc/cxl/main.c b/drivers/misc/cxl/main.c
index 62e0dfb5f15b..f53027cd2eca 100644
--- a/drivers/misc/cxl/main.c
+++ b/drivers/misc/cxl/main.c
@@ -19,6 +19,8 @@
#include <linux/slab.h>
#include <linux/idr.h>
#include <linux/pci.h>
+#include <linux/sched/task.h>
+
#include <asm/cputable.h>
#include <misc/cxl-base.h>
diff --git a/drivers/net/xen-netback/interface.c b/drivers/net/xen-netback/interface.c
index 579521327b03..916e39c7da12 100644
--- a/drivers/net/xen-netback/interface.c
+++ b/drivers/net/xen-netback/interface.c
@@ -31,6 +31,7 @@
#include "common.h"
#include <linux/kthread.h>
+#include <linux/sched/task.h>
#include <linux/ethtool.h>
#include <linux/rtnetlink.h>
#include <linux/if_vlan.h>
diff --git a/drivers/oprofile/buffer_sync.c b/drivers/oprofile/buffer_sync.c
index eb0c35994b54..ac27f3d3fbb4 100644
--- a/drivers/oprofile/buffer_sync.c
+++ b/drivers/oprofile/buffer_sync.c
@@ -32,6 +32,7 @@
#include <linux/oprofile.h>
#include <linux/sched.h>
#include <linux/sched/mm.h>
+#include <linux/sched/task.h>
#include <linux/gfp.h>
#include "oprofile_stats.h"
diff --git a/drivers/tty/tty_ldsem.c b/drivers/tty/tty_ldsem.c
index 4f6b1b10b537..52b7baef4f7a 100644
--- a/drivers/tty/tty_ldsem.c
+++ b/drivers/tty/tty_ldsem.c
@@ -33,6 +33,7 @@
#include <linux/tty.h>
#include <linux/sched.h>
#include <linux/sched/debug.h>
+#include <linux/sched/task.h>
#ifdef CONFIG_DEBUG_LOCK_ALLOC
diff --git a/drivers/usb/usbip/usbip_common.h b/drivers/usb/usbip/usbip_common.h
index 9f490375ac92..f8573a52e41a 100644
--- a/drivers/usb/usbip/usbip_common.h
+++ b/drivers/usb/usbip/usbip_common.h
@@ -31,6 +31,7 @@
#include <linux/types.h>
#include <linux/usb.h>
#include <linux/wait.h>
+#include <linux/sched/task.h>
#include <uapi/linux/usbip.h>
#define USBIP_VERSION "1.0.0"
diff --git a/include/linux/sched.h b/include/linux/sched.h
index e5bcf966e792..acd9c52412ef 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -1119,20 +1119,6 @@ static inline int is_global_init(struct task_struct *tsk)
extern struct pid *cad_pid;
-extern void free_task(struct task_struct *tsk);
-#define get_task_struct(tsk) do { atomic_inc(&(tsk)->usage); } while(0)
-
-extern void __put_task_struct(struct task_struct *t);
-
-static inline void put_task_struct(struct task_struct *t)
-{
- if (atomic_dec_and_test(&t->usage))
- __put_task_struct(t);
-}
-
-struct task_struct *task_rcu_dereference(struct task_struct **ptask);
-struct task_struct *try_get_task_struct(struct task_struct **ptask);
-
/*
* Per process flags
*/
diff --git a/include/linux/sched/task.h b/include/linux/sched/task.h
index 81cde345917d..61fafba43833 100644
--- a/include/linux/sched/task.h
+++ b/include/linux/sched/task.h
@@ -75,6 +75,21 @@ extern long do_fork(unsigned long, unsigned long, unsigned long, int __user *, i
struct task_struct *fork_idle(int);
extern pid_t kernel_thread(int (*fn)(void *), void *arg, unsigned long flags);
+extern void free_task(struct task_struct *tsk);
+
+#define get_task_struct(tsk) do { atomic_inc(&(tsk)->usage); } while(0)
+
+extern void __put_task_struct(struct task_struct *t);
+
+static inline void put_task_struct(struct task_struct *t)
+{
+ if (atomic_dec_and_test(&t->usage))
+ __put_task_struct(t);
+}
+
+struct task_struct *task_rcu_dereference(struct task_struct **ptask);
+struct task_struct *try_get_task_struct(struct task_struct **ptask);
+
#ifdef CONFIG_ARCH_WANTS_DYNAMIC_TASK_STRUCT
extern int arch_task_struct_size __read_mostly;
diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c
index fd63775796c3..721d9604aec9 100644
--- a/kernel/irq/manage.c
+++ b/kernel/irq/manage.c
@@ -17,6 +17,7 @@
#include <linux/slab.h>
#include <linux/sched.h>
#include <linux/sched/rt.h>
+#include <linux/sched/task.h>
#include <uapi/linux/sched/types.h>
#include <linux/task_work.h>
--
2.7.4
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