diff options
| author | Jeff Garzik <jgarzik@pretzel.yyz.us> | 2005-06-22 21:07:28 +0400 |
|---|---|---|
| committer | Jeff Garzik <jgarzik@pobox.com> | 2005-06-22 21:07:28 +0400 |
| commit | ff40c6d3d1437ecdf295b8e39adcb06c3d6021ef (patch) | |
| tree | 3666d029b4bd4df2909dbefd9c7a09e6042b7d32 /include/linux/hardirq.h | |
| parent | 8bf62ecee58360749c5f0e68bc97d5e02a6816b1 (diff) | |
| parent | 2a5a68b840cbab31baab2d9b2e1e6de3b289ae1e (diff) | |
| download | linux-ff40c6d3d1437ecdf295b8e39adcb06c3d6021ef.tar.xz | |
Merge upstream kernel changes into 'C/H/S support' branch of libata.
Diffstat (limited to 'include/linux/hardirq.h')
| -rw-r--r-- | include/linux/hardirq.h | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/include/linux/hardirq.h b/include/linux/hardirq.h index ebc712e91066..8336dba18971 100644 --- a/include/linux/hardirq.h +++ b/include/linux/hardirq.h @@ -43,13 +43,17 @@ #define __IRQ_MASK(x) ((1UL << (x))-1) #define PREEMPT_MASK (__IRQ_MASK(PREEMPT_BITS) << PREEMPT_SHIFT) -#define HARDIRQ_MASK (__IRQ_MASK(HARDIRQ_BITS) << HARDIRQ_SHIFT) #define SOFTIRQ_MASK (__IRQ_MASK(SOFTIRQ_BITS) << SOFTIRQ_SHIFT) +#define HARDIRQ_MASK (__IRQ_MASK(HARDIRQ_BITS) << HARDIRQ_SHIFT) #define PREEMPT_OFFSET (1UL << PREEMPT_SHIFT) #define SOFTIRQ_OFFSET (1UL << SOFTIRQ_SHIFT) #define HARDIRQ_OFFSET (1UL << HARDIRQ_SHIFT) +#if PREEMPT_ACTIVE < (1 << (HARDIRQ_SHIFT + HARDIRQ_BITS)) +#error PREEMPT_ACTIVE is too low! +#endif + #define hardirq_count() (preempt_count() & HARDIRQ_MASK) #define softirq_count() (preempt_count() & SOFTIRQ_MASK) #define irq_count() (preempt_count() & (HARDIRQ_MASK | SOFTIRQ_MASK)) |