From 9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 Mon Sep 17 00:00:00 2001 From: Yunhong Jiang Date: Tue, 4 Aug 2015 12:17:53 -0700 Subject: 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 Date: Sat Jul 25 12:13:34 2015 +0200 Prepare v4.1.3-rt3 Signed-off-by: Sebastian Andrzej Siewior 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 --- kernel/arch/blackfin/include/asm/l1layout.h | 37 +++++++++++++++++++++++++++++ 1 file changed, 37 insertions(+) create mode 100644 kernel/arch/blackfin/include/asm/l1layout.h (limited to 'kernel/arch/blackfin/include/asm/l1layout.h') 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 + +#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 -- cgit 1.2.3-korg