linux-kernel - [PATCH 3.17 139/319] ARC: unbork FPU save/restore

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Message-Id: <20141112011015.510166898@linuxfoundation.org>
Date:	Wed, 12 Nov 2014 10:14:37 +0900
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	stable@...r.kernel.org, Vineet Gupta <vgupta@...opsys.com>
Subject: [PATCH 3.17 139/319] ARC: unbork FPU save/restore

3.17-stable review patch.  If anyone has any objections, please let me know.

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

From: Vineet Gupta <vgupta@...opsys.com>

commit 52e9bae93802bd29c33be11e9e758ad7daac805f upstream.

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