Am Freitag, 22. August 2008 schrieb Matthew Wilcox:
>
> S390 has an __aligned__((4)) on theirs -- is this really necessary?
> Doesn't s390 align ints to 4 bytes automatically? If it doesn't, it
Yes, the s390 abi requires a 4 byte alignment for int. The __aligned__((4))
looks unnecessary.
> +++ include/linux/atomic_type.h
> +typedef struct { volatile int counter; } atomic_t;
> +#ifdef CONFIG_64BIT
> +typedef struct { volatile long counter; } atomic64_t;
> +#endif
Hmm, the current s390 version has no volatile. I can recall some very long
mail threads about this. What was the outcome?
Christian
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