On Fri, 19 Oct 2007, Zoltan Menyhart wrote:
> You may want to avoid assembly magics:
>
> static __inline__ void
> __clear_bit_unlock(int const nr, volatile void * const addr)
> {
> volatile __u32 * const m = (volatile __u32 *) addr + (nr >> 5);
>
> *m &= ~(1 << (nr & 0x1f));
> }
>
> GCC compiles volatile loads with ".acq" and stores with ".rel".
But gcc does not generate the .nta type of store.
> Cannot we have some "speaking names"? E.g.: bit_unlock_Natomic_rel()
The convention is that __xxx is the non atomic variant.
-
To unsubscribe from this list: send the line "unsubscribe linux-ia64" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
|