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| author | Ralf Baechle <ralf@linux-mips.org> | 2013-05-29 01:07:19 +0200 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2013-06-10 18:02:30 +0200 |
| commit | c3fc5cd5c5a5f4738776a965a020a32c1a37c8fd (patch) | |
| tree | 59c7114e5c9e682b0b6ec647cabfa4d942ee1377 /arch/mips/kernel/cpu-bugs64.c | |
| parent | MIPS: Cleanup flags in syscall flags handlers. (diff) | |
| download | linux-c3fc5cd5c5a5f4738776a965a020a32c1a37c8fd.tar.xz linux-c3fc5cd5c5a5f4738776a965a020a32c1a37c8fd.zip | |
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 @@ * as published by the Free Software Foundation; either version * 2 of the License, or (at your option) any later version. */ +#include <linux/context_tracking.h> #include <linux/init.h> #include <linux/kernel.h> #include <linux/ptrace.h> @@ -171,8 +172,12 @@ static volatile int daddi_ov __cpuinitdata; asmlinkage void __init do_daddi_ov(struct pt_regs *regs) { + enum ctx_state prev_state; + + prev_state = exception_enter(); daddi_ov = 1; regs->cp0_epc += 4; + exception_exit(prev_state); } static inline void check_daddi(void) |