lfn
serial
ticket/834-toolchain-update
topic/msim-upgrade
topic/simplify-dev-export
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Last change
on this file since 0cf813d was 0cf813d, checked in by Adam Hraska <adam.hraska+hos@…>, 13 years ago |
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rcu: Added new statistics. Changed reclaimers to run callbacks with preemption disabled if too many callbacks are pending in order to avoid exhausting system memory.
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Property mode
set to
100644
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File size:
303 bytes
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| 1 |
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| 2 | #ifndef KERN_COMPILER_BARRIER_H_
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| 3 | #define KERN_COMPILER_BARRIER_H_
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| 4 |
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| 5 | #define compiler_barrier() asm volatile ("" ::: "memory")
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| 6 |
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| 7 | /** Forces the compiler to access (ie load/store) the variable only once. */
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| 8 | #define ACCESS_ONCE(var) (*((volatile typeof(var)*)&(var)))
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| 9 |
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| 10 | #endif /* KERN_COMPILER_BARRIER_H_ */
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