[3.16.y-ckt extended stable] Patch "ARC: unbork FPU save/restore" has been added to staging queue
Luis Henriques
luis.henriques at canonical.com
Mon Nov 10 11:31:24 UTC 2014
This is a note to let you know that I have just added a patch titled
ARC: unbork FPU save/restore
to the linux-3.16.y-queue branch of the 3.16.y-ckt extended stable tree
which can be found at:
http://kernel.ubuntu.com/git?p=ubuntu/linux.git;a=shortlog;h=refs/heads/linux-3.16.y-queue
This patch is scheduled to be released in version 3.16.7-ckt1.
If you, or anyone else, feels it should not be added to this tree, please
reply to this email.
For more information about the 3.16.y-ckt tree, see
https://wiki.ubuntu.com/Kernel/Dev/ExtendedStable
Thanks.
-Luis
------
>From 1875434771303b5d9a52dd08855a94c52f421cc5 Mon Sep 17 00:00:00 2001
From: Vineet Gupta <vgupta at synopsys.com>
Date: Sat, 27 Sep 2014 12:53:41 +0530
Subject: ARC: unbork FPU save/restore
commit 52e9bae93802bd29c33be11e9e758ad7daac805f upstream.
Fixes: 2ab402dfd65d15a4b2 "ARC: make start_thread() out-of-line"
Signed-off-by: Vineet Gupta <vgupta at synopsys.com>
Signed-off-by: Luis Henriques <luis.henriques at canonical.com>
---
arch/arc/include/asm/arcregs.h | 8 --------
arch/arc/include/asm/processor.h | 9 +++++++++
2 files changed, 9 insertions(+), 8 deletions(-)
diff --git a/arch/arc/include/asm/arcregs.h b/arch/arc/include/asm/arcregs.h
index 355cb470c2a4..1e4842e5305d 100644
--- 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
/*
***************************************************************
diff --git a/arch/arc/include/asm/processor.h b/arch/arc/include/asm/processor.h
index d99f9b37cd15..c6468fe847e3 100644
--- 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
--
2.1.0
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