diff options
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/blackfin/include/asm/l1layout.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/blackfin/include/asm/l1layout.h')
-rw-r--r-- | kernel/arch/blackfin/include/asm/l1layout.h | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/kernel/arch/blackfin/include/asm/l1layout.h b/kernel/arch/blackfin/include/asm/l1layout.h new file mode 100644 index 000000000..c87e68647 --- /dev/null +++ b/kernel/arch/blackfin/include/asm/l1layout.h @@ -0,0 +1,37 @@ +/* + * Defines a layout of L1 scratchpad memory that userspace can rely on. + * + * Copyright 2006-2008 Analog Devices Inc. + * + * Licensed under the GPL-2 or later. + */ + +#ifndef _L1LAYOUT_H_ +#define _L1LAYOUT_H_ + +#include <asm/blackfin.h> + +#ifndef CONFIG_SMP +#ifndef __ASSEMBLY__ + +/* Data that is "mapped" into the process VM at the start of the L1 scratch + memory, so that each process can access it at a fixed address. Used for + stack checking. */ +struct l1_scratch_task_info +{ + /* Points to the start of the stack. */ + void *stack_start; + /* Not updated by the kernel; a user process can modify this to + keep track of the lowest address of the stack pointer during its + runtime. */ + void *lowest_sp; +}; + +/* A pointer to the structure in memory. */ +#define L1_SCRATCH_TASK_INFO ((struct l1_scratch_task_info *)\ + get_l1_scratch_start()) + +#endif +#endif + +#endif |