| From 52e9bae93802bd29c33be11e9e758ad7daac805f Mon Sep 17 00:00:00 2001 |
| From: Vineet Gupta <vgupta@synopsys.com> |
| Date: Sat, 27 Sep 2014 12:53:41 +0530 |
| Subject: ARC: unbork FPU save/restore |
| |
| 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 |
