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author | Yunhong Jiang <yunhong.jiang@intel.com> | 2015-08-04 12:17:53 -0700 |
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committer | Yunhong Jiang <yunhong.jiang@intel.com> | 2015-08-04 15:44:42 -0700 |
commit | 9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (patch) | |
tree | 1c9cafbcd35f783a87880a10f85d1a060db1a563 /kernel/arch/unicore32/include/asm/switch_to.h | |
parent | 98260f3884f4a202f9ca5eabed40b1354c489b29 (diff) |
Add the rt linux 4.1.3-rt3 as base
Import the rt linux 4.1.3-rt3 as OPNFV kvm base.
It's from git://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git linux-4.1.y-rt and
the base is:
commit 0917f823c59692d751951bf5ea699a2d1e2f26a2
Author: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Sat Jul 25 12:13:34 2015 +0200
Prepare v4.1.3-rt3
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
We lose all the git history this way and it's not good. We
should apply another opnfv project repo in future.
Change-Id: I87543d81c9df70d99c5001fbdf646b202c19f423
Signed-off-by: Yunhong Jiang <yunhong.jiang@intel.com>
Diffstat (limited to 'kernel/arch/unicore32/include/asm/switch_to.h')
-rw-r--r-- | kernel/arch/unicore32/include/asm/switch_to.h | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/kernel/arch/unicore32/include/asm/switch_to.h b/kernel/arch/unicore32/include/asm/switch_to.h new file mode 100644 index 000000000..39572d2bd --- /dev/null +++ b/kernel/arch/unicore32/include/asm/switch_to.h @@ -0,0 +1,30 @@ +/* + * Task switching for PKUnity SoC and UniCore ISA + * + * Copyright (C) 2001-2012 GUAN Xue-tao + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ +#ifndef __UNICORE_SWITCH_TO_H__ +#define __UNICORE_SWITCH_TO_H__ + +struct task_struct; +struct thread_info; + +/* + * switch_to(prev, next) should switch from task `prev' to `next' + * `prev' will never be the same as `next'. schedule() itself + * contains the memory barrier to tell GCC not to cache `current'. + */ +extern struct task_struct *__switch_to(struct task_struct *, + struct thread_info *, struct thread_info *); + +#define switch_to(prev, next, last) \ + do { \ + last = __switch_to(prev, task_thread_info(prev), \ + task_thread_info(next)); \ + } while (0) + +#endif /* __UNICORE_SWITCH_TO_H__ */ |