Re: [PATCH 1/2] WorkStruct: Add assign_bits() to give an atomic-bitops safe assignment

[Paul Mackerras]

Russell King writes:

> Why can't we just use atomic_t for this?

On 64-bit platforms, atomic_t tends to be 4 bytes, whereas bitops work
on arrays of unsigned long, i.e. multiples of 8 bytes.  We could
use atomic_long_t for this, however.

Paul.
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/