.. | .. |
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18 | 18 | #endif |
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19 | 19 | |
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20 | 20 | #ifdef CONFIG_64BIT |
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21 | | -unsigned long __xchg64(unsigned long x, unsigned long *ptr) |
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| 21 | +unsigned long __xchg64(unsigned long x, volatile unsigned long *ptr) |
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22 | 22 | { |
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23 | 23 | unsigned long temp, flags; |
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24 | 24 | |
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.. | .. |
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30 | 30 | } |
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31 | 31 | #endif |
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32 | 32 | |
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33 | | -unsigned long __xchg32(int x, int *ptr) |
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| 33 | +unsigned long __xchg32(int x, volatile int *ptr) |
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34 | 34 | { |
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35 | 35 | unsigned long flags; |
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36 | 36 | long temp; |
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.. | .. |
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43 | 43 | } |
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44 | 44 | |
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45 | 45 | |
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46 | | -unsigned long __xchg8(char x, char *ptr) |
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| 46 | +unsigned long __xchg8(char x, volatile char *ptr) |
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47 | 47 | { |
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48 | 48 | unsigned long flags; |
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49 | 49 | long temp; |
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