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Subject[PATCH 3.17 139/319] ARC: unbork FPU save/restore
Date
3.17-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Vineet Gupta <vgupta@synopsys.com>

commit 52e9bae93802bd29c33be11e9e758ad7daac805f upstream.

Fixes: 2ab402dfd65d15a4b2 "ARC: make start_thread() out-of-line"
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
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



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