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-- driver/ntoskernel.h (revision 2701) |
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++ driver/ntoskernel.h (working copy) |
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Lines 875-881
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| 875 |
#define u64_low_32(x) ((u32)x) |
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#define u64_low_32(x) ((u32)x) |
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#define u64_high_32(x) ((u32)(x >> 32)) |
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#define u64_high_32(x) ((u32)(x >> 32)) |
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#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,31) |
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//#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,31) |
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static inline u64 cmpxchg8b(volatile u64 *ptr, u64 old, u64 new) |
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static inline u64 cmpxchg8b(volatile u64 *ptr, u64 old, u64 new) |
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{ |
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{ |
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u64 prev; |
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u64 prev; |
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Lines 887-893
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| 887 |
: "A" (old), "b" (u64_low_32(new)), "c" (u64_high_32(new))); |
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: "A" (old), "b" (u64_low_32(new)), "c" (u64_high_32(new))); |
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return prev; |
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return prev; |
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} |
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} |
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#endif |
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//#endif |
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/* slist routines below update slist atomically - no need for |
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/* slist routines below update slist atomically - no need for |
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* spinlocks */ |
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* spinlocks */ |
