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thread_cpu: make it 64-bit compatible

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This stores a combination of a pointer and a CPU number in the low
2 bits. On 64-bit systems, the pointer part won't fit in an int.
Let's use uintptr_t for this purpose.

Signed-off-by: Nicolas Pitre <npitre@baylibre.com>
This commit is contained in:
Nicolas Pitre 2019-05-20 23:41:27 -04:00 • committed by Anas Nashif
commit 0b5d9f71f2
2 changed files with 3 additions and 3 deletions
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2
include/spinlock.h
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@ -59,7 +59,7 @@ struct k_spinlock {
/* Stores the thread that holds the lock with the locking CPU
* ID in the bottom two bits.
*/
size_t thread_cpu;
uintptr_t thread_cpu;
#endif
};