This is a note to let you know that I've just added the patch titled
ARC: unbork FPU save/restore
to the 3.17-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
arc-unbork-fpu-save-restore.patch
and it can be found in the queue-3.17 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 52e9bae93802bd29c33be11e9e758ad7daac805f Mon Sep 17 00:00:00 2001
From: Vineet Gupta <vgupta@xxxxxxxxxxxx>
Date: Sat, 27 Sep 2014 12:53:41 +0530
Subject: ARC: unbork FPU save/restore
From: Vineet Gupta <vgupta@xxxxxxxxxxxx>
commit 52e9bae93802bd29c33be11e9e758ad7daac805f upstream.
Fixes: 2ab402dfd65d15a4b2 "ARC: make start_thread() out-of-line"
Signed-off-by: Vineet Gupta <vgupta@xxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
arch/arc/include/asm/arcregs.h | 8 --------
arch/arc/include/asm/processor.h | 9 +++++++++
2 files changed, 9 insertions(+), 8 deletions(-)
--- a/arch/arc/include/asm/arcregs.h
+++ b/arch/arc/include/asm/arcregs.h
@@ -191,14 +191,6 @@
#define PAGES_TO_KB(n_pages) ((n_pages) << (PAGE_SHIFT - 10))
#define PAGES_TO_MB(n_pages) (PAGES_TO_KB(n_pages) >> 10)
-#ifdef CONFIG_ARC_FPU_SAVE_RESTORE
-/* These DPFP regs need to be saved/restored across ctx-sw */
-struct arc_fpu {
- struct {
- unsigned int l, h;
- } aux_dpfp[2];
-};
-#endif
/*
***************************************************************
--- a/arch/arc/include/asm/processor.h
+++ b/arch/arc/include/asm/processor.h
@@ -20,6 +20,15 @@
#include <asm/ptrace.h>
+#ifdef CONFIG_ARC_FPU_SAVE_RESTORE
+/* These DPFP regs need to be saved/restored across ctx-sw */
+struct arc_fpu {
+ struct {
+ unsigned int l, h;
+ } aux_dpfp[2];
+};
+#endif
+
/* Arch specific stuff which needs to be saved per task.
* However these items are not so important so as to earn a place in
* struct thread_info
Patches currently in stable-queue which might be from vgupta@xxxxxxxxxxxx are
queue-3.17/arc-update-order-of-registers-in-kgdb-to-match-gdb-7.5.patch
queue-3.17/arc-allow-headless-models-to-boot.patch
queue-3.17/arc-unbork-fpu-save-restore.patch
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