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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-08-06 18:48:31 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-08-06 18:48:31 +0200
commitc87985a3ce723995fc7b25e598238d67154108a1 (patch)
treee60def1b77c25c1d74180f62e8a5603f9826f209 /arch/arm/vfp/entry.S
parenttty: Fix race in tty release (diff)
parentLinux 3.6-rc1 (diff)
downloadlinux-c87985a3ce723995fc7b25e598238d67154108a1.tar.xz
linux-c87985a3ce723995fc7b25e598238d67154108a1.zip
Merge tty-next into 3.6-rc1
This handles the merge issue in: arch/um/drivers/line.c arch/um/drivers/line.h And resolves the duplicate patches that were in both trees do to the tty-next branch not getting merged into 3.6-rc1. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'arch/arm/vfp/entry.S')
-rw-r--r--arch/arm/vfp/entry.S16
1 files changed, 9 insertions, 7 deletions
diff --git a/arch/arm/vfp/entry.S b/arch/arm/vfp/entry.S
index 4fa9903b83cf..cc926c985981 100644
--- a/arch/arm/vfp/entry.S
+++ b/arch/arm/vfp/entry.S
@@ -7,18 +7,20 @@
* 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.
- *
- * Basic entry code, called from the kernel's undefined instruction trap.
- * r0 = faulted instruction
- * r5 = faulted PC+4
- * r9 = successful return
- * r10 = thread_info structure
- * lr = failure return
*/
#include <asm/thread_info.h>
#include <asm/vfpmacros.h>
#include "../kernel/entry-header.S"
+@ VFP entry point.
+@
+@ r0 = instruction opcode (32-bit ARM or two 16-bit Thumb)
+@ r2 = PC value to resume execution after successful emulation
+@ r9 = normal "successful" return address
+@ r10 = this threads thread_info structure
+@ lr = unrecognised instruction return address
+@ IRQs disabled.
+@
ENTRY(do_vfp)
#ifdef CONFIG_PREEMPT
ldr r4, [r10, #TI_PREEMPT] @ get preempt count