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| author | Thomas Gleixner <tglx@linutronix.de> | 2013-09-17 22:53:09 +0400 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2013-11-13 23:21:47 +0400 |
| commit | 00d1a39e69d5afa7523dad515a05b21abd17c389 (patch) | |
| tree | 7cc9ab44899be1b50d05f0154345bd0c9e9c0f96 /include/linux/preempt_mask.h | |
| parent | 9385d949d5bd0eb642ed05ea263c3638c9f4e372 (diff) | |
| download | linux-00d1a39e69d5afa7523dad515a05b21abd17c389.tar.xz | |
preempt: Make PREEMPT_ACTIVE generic
No point in having this bit defined by architecture.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/20130917183629.090698799@linutronix.de
Diffstat (limited to 'include/linux/preempt_mask.h')
| -rw-r--r-- | include/linux/preempt_mask.h | 15 |
1 files changed, 5 insertions, 10 deletions
diff --git a/include/linux/preempt_mask.h b/include/linux/preempt_mask.h index 810d7e386f20..d169820203dd 100644 --- a/include/linux/preempt_mask.h +++ b/include/linux/preempt_mask.h @@ -17,10 +17,11 @@ * there are a few palaeontologic drivers which reenable interrupts in * the handler, so we need more than one bit here. * - * PREEMPT_MASK: 0x000000ff - * SOFTIRQ_MASK: 0x0000ff00 - * HARDIRQ_MASK: 0x000f0000 - * NMI_MASK: 0x00100000 + * PREEMPT_MASK: 0x000000ff + * SOFTIRQ_MASK: 0x0000ff00 + * HARDIRQ_MASK: 0x000f0000 + * NMI_MASK: 0x00100000 + * PREEMPT_ACTIVE: 0x00200000 */ #define PREEMPT_BITS 8 #define SOFTIRQ_BITS 8 @@ -46,15 +47,9 @@ #define SOFTIRQ_DISABLE_OFFSET (2 * SOFTIRQ_OFFSET) -#ifndef PREEMPT_ACTIVE #define PREEMPT_ACTIVE_BITS 1 #define PREEMPT_ACTIVE_SHIFT (NMI_SHIFT + NMI_BITS) #define PREEMPT_ACTIVE (__IRQ_MASK(PREEMPT_ACTIVE_BITS) << PREEMPT_ACTIVE_SHIFT) -#endif - -#if PREEMPT_ACTIVE < (1 << (NMI_SHIFT + NMI_BITS)) -#error PREEMPT_ACTIVE is too low! -#endif #define hardirq_count() (preempt_count() & HARDIRQ_MASK) #define softirq_count() (preempt_count() & SOFTIRQ_MASK) |