diff options
| author | Vineet Gupta <vgupta@synopsys.com> | 2014-09-27 03:23:41 -0400 |
|---|---|---|
| committer | Vineet Gupta <vgupta@synopsys.com> | 2014-10-13 05:16:21 -0400 |
| commit | 52e9bae93802bd29c33be11e9e758ad7daac805f (patch) | |
| tree | cc52aa5c895bac9d8ca4128ec86a6dbbe96bbc7b /arch/arc/include/asm | |
| parent | be64c997d96dd29029ed40d9df9cbf80fa1c7ed4 (diff) | |
ARC: unbork FPU save/restore
Fixes: 2ab402dfd65d15a4b2 "ARC: make start_thread() out-of-line"
CC: <stable@vger.kernel.org> #3.16
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
Diffstat (limited to 'arch/arc/include/asm')
| -rw-r--r-- | arch/arc/include/asm/arcregs.h | 8 | ||||
| -rw-r--r-- | 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 d6d82577cabe..3ea5b437bfb9 100644 --- a/arch/arc/include/asm/arcregs.h +++ b/arch/arc/include/asm/arcregs.h | |||
| @@ -189,14 +189,6 @@ | |||
| 189 | #define PAGES_TO_KB(n_pages) ((n_pages) << (PAGE_SHIFT - 10)) | 189 | #define PAGES_TO_KB(n_pages) ((n_pages) << (PAGE_SHIFT - 10)) |
| 190 | #define PAGES_TO_MB(n_pages) (PAGES_TO_KB(n_pages) >> 10) | 190 | #define PAGES_TO_MB(n_pages) (PAGES_TO_KB(n_pages) >> 10) |
| 191 | 191 | ||
| 192 | #ifdef CONFIG_ARC_FPU_SAVE_RESTORE | ||
| 193 | /* These DPFP regs need to be saved/restored across ctx-sw */ | ||
| 194 | struct arc_fpu { | ||
| 195 | struct { | ||
| 196 | unsigned int l, h; | ||
| 197 | } aux_dpfp[2]; | ||
| 198 | }; | ||
| 199 | #endif | ||
| 200 | 192 | ||
| 201 | /* | 193 | /* |
| 202 | *************************************************************** | 194 | *************************************************************** |
diff --git a/arch/arc/include/asm/processor.h b/arch/arc/include/asm/processor.h index 08fbe2e9d4cc..210fe97464c3 100644 --- a/arch/arc/include/asm/processor.h +++ b/arch/arc/include/asm/processor.h | |||
| @@ -18,6 +18,15 @@ | |||
| 18 | 18 | ||
| 19 | #include <asm/ptrace.h> | 19 | #include <asm/ptrace.h> |
| 20 | 20 | ||
| 21 | #ifdef CONFIG_ARC_FPU_SAVE_RESTORE | ||
| 22 | /* These DPFP regs need to be saved/restored across ctx-sw */ | ||
| 23 | struct arc_fpu { | ||
| 24 | struct { | ||
| 25 | unsigned int l, h; | ||
| 26 | } aux_dpfp[2]; | ||
| 27 | }; | ||
| 28 | #endif | ||
| 29 | |||
| 21 | /* Arch specific stuff which needs to be saved per task. | 30 | /* Arch specific stuff which needs to be saved per task. |
| 22 | * However these items are not so important so as to earn a place in | 31 | * However these items are not so important so as to earn a place in |
| 23 | * struct thread_info | 32 | * struct thread_info |
