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| author | Thomas Gleixner <tglx@linutronix.de> | 2013-02-13 10:03:11 (GMT) |
|---|---|---|
| committer | Scott Wood <scottwood@freescale.com> | 2014-04-10 00:19:55 (GMT) |
| commit | 7e0509fe7647c827b37ee4034b80c3d8b399830c (patch) | |
| tree | bd6dd28fbb3f5dad2d744fffc4b8bab7f71b6b5f /arch/arm/include | |
| parent | dad3e3263a3b3978630c1703e6dbd0c41ad07bc1 (diff) | |
| download | linux-fsl-qoriq-7e0509fe7647c827b37ee4034b80c3d8b399830c.tar.xz | |
arm-enable-highmem-for-rt.patch
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'arch/arm/include')
| -rw-r--r-- | arch/arm/include/asm/switch_to.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/arm/include/asm/switch_to.h b/arch/arm/include/asm/switch_to.h index c99e259..f3e3d80 100644 --- a/arch/arm/include/asm/switch_to.h +++ b/arch/arm/include/asm/switch_to.h @@ -3,6 +3,13 @@ #include <linux/thread_info.h> +#if defined CONFIG_PREEMPT_RT_FULL && defined CONFIG_HIGHMEM +void switch_kmaps(struct task_struct *prev_p, struct task_struct *next_p); +#else +static inline void +switch_kmaps(struct task_struct *prev_p, struct task_struct *next_p) { } +#endif + /* * For v7 SMP cores running a preemptible kernel we may be pre-empted * during a TLB maintenance operation, so execute an inner-shareable dsb @@ -22,6 +29,7 @@ extern struct task_struct *__switch_to(struct task_struct *, struct thread_info #define switch_to(prev,next,last) \ do { \ + switch_kmaps(prev, next); \ last = __switch_to(prev,task_thread_info(prev), task_thread_info(next)); \ } while (0) |