diff options
| author | Ralf Baechle <ralf@linux-mips.org> | 2013-05-28 19:07:19 -0400 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2013-06-10 12:02:30 -0400 |
| commit | c3fc5cd5c5a5f4738776a965a020a32c1a37c8fd (patch) | |
| tree | 59c7114e5c9e682b0b6ec647cabfa4d942ee1377 /arch/mips/kernel/cpu-bugs64.c | |
| parent | e7f3b48af7be9f8007a224663a5b91340626fed5 (diff) | |
MIPS: Implement HAVE_CONTEXT_TRACKING.
This enables support for CONFIG_NO_HZ_FULL.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/kernel/cpu-bugs64.c')
| -rw-r--r-- | arch/mips/kernel/cpu-bugs64.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/mips/kernel/cpu-bugs64.c b/arch/mips/kernel/cpu-bugs64.c index de3c25ffd9f9..0c61df281ce6 100644 --- a/arch/mips/kernel/cpu-bugs64.c +++ b/arch/mips/kernel/cpu-bugs64.c | |||
| @@ -6,6 +6,7 @@ | |||
| 6 | * as published by the Free Software Foundation; either version | 6 | * as published by the Free Software Foundation; either version |
| 7 | * 2 of the License, or (at your option) any later version. | 7 | * 2 of the License, or (at your option) any later version. |
| 8 | */ | 8 | */ |
| 9 | #include <linux/context_tracking.h> | ||
| 9 | #include <linux/init.h> | 10 | #include <linux/init.h> |
| 10 | #include <linux/kernel.h> | 11 | #include <linux/kernel.h> |
| 11 | #include <linux/ptrace.h> | 12 | #include <linux/ptrace.h> |
| @@ -171,8 +172,12 @@ static volatile int daddi_ov __cpuinitdata; | |||
| 171 | 172 | ||
| 172 | asmlinkage void __init do_daddi_ov(struct pt_regs *regs) | 173 | asmlinkage void __init do_daddi_ov(struct pt_regs *regs) |
| 173 | { | 174 | { |
| 175 | enum ctx_state prev_state; | ||
| 176 | |||
| 177 | prev_state = exception_enter(); | ||
| 174 | daddi_ov = 1; | 178 | daddi_ov = 1; |
| 175 | regs->cp0_epc += 4; | 179 | regs->cp0_epc += 4; |
| 180 | exception_exit(prev_state); | ||
| 176 | } | 181 | } |
| 177 | 182 | ||
| 178 | static inline void check_daddi(void) | 183 | static inline void check_daddi(void) |